Some standard content:
1. Verification Procedure for Working Metal Thermocouples
JJ:351—1996
Verification Procedure for Working Metal Thermocouples
JJ351—1996
#G3511984
This standard was issued by the National Bureau of Light Industry on April 23, 1996 and has been implemented since March 11, 1907. Responsible unit: Jiangning Provincial Epidemic Prevention and Technology Supervisory Authority…
Original unit: Shanghai Alloy Co., Ltd.
Local technical provisions drafting unit responsible for interpretation of this standard main drafter:
Worker (Shenyang Alloy Co., Ltd.) report to China! Shanghai Alloy
Each drafter:
Zhang Jiaqia"Shenyang Metrology and Testing Technology Institute: Jiang Chunzhe (Shenjiao Alloy Co., Ltd.) Ji Jie (Tianyang Deta Control Systems Co., Ltd.) 488
Technology. Quick requirements
Rules:
Three, verification date and control methods
Four, verification results and verification results
Appendix! Appendix 2 Verification method of thermocouples with compensation wires
Appendix Tubular furnace temperature test method
Compilation and comparison table of 1 group of thermocouples with compensation wires for standard Pt10-Pt thermocouples within the range (0-1300)
Appendix 6 Table of tolerance of thermoelectric potential of type 5K, V, F, 1 type thermocouples, length, differential thermoelectric potential table of integrated self-inductance points, etc. What is the recommended method? S, K, E, J type thermocouples Attached with the table of calibration records and the format of the calibration certificate (on the back)
Verification procedure for working low-metal thermocouples
This procedure is applicable to the nickel-silicon thermocouples with a calibration number of K, the silicon-silicon thermocouples with a calibration number of N, the fast-acting thermocouples with a calibration number of I (hereinafter referred to as K, N, E, and J type thermocouples respectively) with a length of not less than 75 and in use within the range of -40 to 1300 degrees. The technical requirements are as given in Table 1 for the nominal composition of the simulated electrodes.
Benefits in the fake book peak
Course steel ticket
Heat market driving name
Work small same grade two lessons whole plate not type five tools not divided by two impact long cannot:
Public road-town 1 military plan fall-fill in the score seat request
2 Different grade thermoelectric if within the specified temperature dangerous solid, the small tolerance should be selected in accordance with the provisions of Table 2, 3 mature thermocouple appearance shall meet the following special requirements: 5[%:
N84.+Cr14.2S1.+
N95 654,4
Ns，Crl
'r El)
The vertical column should be evenly checked: The thermoelectric waste in use shall not have production inspection 3.1 The new thermocouple shall be semi-straight, cracked, corroded, and have obvious shrinkage and other defects.
It is proposed that the welding of the false marking end should be firm and spherical, and the surface points should be smooth, without pores and without scratches. Table 2
Thermoelectric two book name
Quick Huajin (product)
Jinji Chengao Foundation
Bofeng-Keao
Chang·No
Fixed production and Daxiang
Port number
To the situation model: 11
- :0 - 111XI
40 - 150G
40 - 13
4n -300
40 750
- -10 - 754:
13.5or0.75*4
±1.5tlink.n.4%r
±2.5t:±_1.75
+1.5t:x=0.4%
±2.st:=n.75m
+1.stor±n.4%:
.5or+1.754
4standard alarm
2Verification conditions
4.11 grade and 2 grade standard known chain 10-pin thermocouple, 1 each. 4.2 The test range is: a set of 2nd class standard mercury thermometers, 2nd class standard resistance thermometers, and a set of low potential DC potentiometers with an accuracy of less than 0.02 and a value not greater than 1V. Other equipment with commercially available accuracy.
5.2 Multi-point conversion switch, parasitic potential not greater than 1V reference thermostat, the temperature inside the thermostat is (0.0.1). 5.3
According to the temperature measurement, the temperature difference in the effective working range is less than 0.2℃, the length is 6[m, the inner diameter is about 40m5.5
The maximum temperature of the section furnace is 1200℃, the center of the highest average tower is not less than 10m from the center axis of the furnace, and the temperature difference between any two points is not large. To ensure that the temperature field of the tubular furnace meets the requirements of the standard, a constant temperature block can be placed in the center of the furnace. The test method of the temperature field is shown in Appendix 3.
Other calibration equipment that meets the above requirements is allowed to be used. The temperature control equipment should meet the calibration requirements.
Thermocouple four-terminal welding equipment:
Network tape measure, vernier caliper,
Digital telescope or 3--5 times mirror. Environmental testing equipment and environmental protection requirements: Three verification items and verification methods
The geometry and external dimensions of the thermocouple, with steel tape measure, vernier caliper and H small inspection plate, should meet all requirements. The newly made thermocouples that have been inspected by external standards should be annealed for 2h at the highest verification point temperature before the indication is determined, and then cooled to below 250℃. The thermocouples in use should not be annealed. The minimum verification point temperature of the thermocouple is determined by the diameter of the thermoelectric wire, as shown in Table 3. 9
Electrode straightness (m)
G.5 DB 1.0
1.2 1.6 2.1 2.5
0.3 0.5 n.81.01.2
1.s 3. 2.3
Throwing point It
)00F0C
430 6:0 3m1000 .2(0)
line (u
081012
indicates the dangerous fixed point within the number, and the Sichuan Juwu gate needs to be implemented. The fast fixed point (T)
10C3004CG
201404:200
3[; The following points are calibrated in the measuring channel, and the standard water-free micro-thermometer is selected for comparison. The current God disk temperature change during the calibration shall not exceed =0.1,
m.! The two cores of the hot side are respectively covered with high-insulation materials, the first 5U side, the plastic casing, and the extension end is 2m in the mountain, so as to connect the reference velvet carefully, 10.2 Thermoelectric The lead wire of the thermocouple should be replaced with the same material as the lead wire, and the contact should be good. The resistivity of the lead wire should be less than 0.0172442m
10.3 Insert the glass protective tube on the thermocouple side into the oil constant temperature, and the depth should not be less than 3KImm. Keep it away from the thermocouple and plug it with cotton wool. 11.4 Insert the reference end of the thermocouple into the transformer or plastic tube filled with transformer oil or Si, and then into the freezing point thermostat. The temperature should not be less than +150:11300t: The above points should be compared with the standard 10 platinum thermocouples. , when calibrating the "grade thermoelectric elimination. You must use a first-class platinum energy 10 armored thermocouple, 11.! The standard thermoelectric regulator is equipped with a high-aluminum protective tube, and the special number of thermocouples to be tested is bundled into a bundle with a diameter not greater than 2 [m: When tying, the measuring end of the thermocouple to be tested is about 1/4 of the measuring end of the standard thermocouple, and the standard thermocouple should be placed on the surface of the standard thermocouple. 11.2 Install the bundled thermocouples into the tubular furnace, and the measuring end of the thermocouple should be in the center of the hottest zone of the intelligent furnace: the standard thermocouple should be relatively close to the tubular protective tube. 11.3
The thermocouples along the mouth of the tubular furnace should be insulated with green front fire The material is well blocked. The oil
, the test,
Figure 1 connection or drop
12 test piece, low temperature to high point by point to test the furnace group deviation test point temperature should not exceed 15t:: 13 test connection line as shown in Figure 1, directly to measure the standard and the thermocouple thermoelectric potential.
When the furnace temperature rises to the test point group temperature, the furnace temperature changes by 0.2mnit:, the standard thermocouple starts, and the thermoelectric potential of each thermocouple is measured in turn:
The measurement order is as follows:
cup, α→test
standard→just,The most.
Select the number of seats to be over-speed accurate, the time service should be close, the hot plate this number should not be less than 4 times, the product season type lake ground is greater than = 0.250.
1 measure all the measured data domain in the digging fixed start record table 1. (Compared to Appendix! 92
[5 powder timing test thermocouple thermal potential error ticket, calculation formula: 15.1340 below the total difference 2e of thermoelectric fast calculation: where; *
Thermal potential arithmetic average measured at the temperature near the fixed point: The thermoelectric test thermoelectric test at a certain test point humidity differential thermoelectric potential effect test The thermoelectric meter is the thermoelectric potential value of the calibration point. Calibration point temperature;
an=-ir
actual flow rate (actual temperature = average reading value) The difference between the calibration point temperature and the actual flow rate: A
Example [Calculation of the error of the single thermocouple indication at 200%, near the 200 control point, the reference end is 0t, the thermoelectric potential value of the thermocouple is 13.252mV, and the temperature of the group field measured by the second standard mercury thermometer is 200.15. Find the minimum value of the thermoelectric valve under test at 200 2/=200 -200.15 --(0.15 ()
From the fixed division length, in 2) the thermoelectric code thermoelectric potential value and differential thermoelectric potential: ea-13.421n:v
S±-0074mV
AeF+ Sw'Ar-e
-13.452 10.074×(-0.15) -13.421O.mV）
Then the thermoelectric value error is:
e200 _ 0.020
The static positive value is -0.3 seven,
15,2300 above the potential electromotive force error 2e is calculated by formula 1: n- + two Ss
In the formula:
is the arithmetic mean value of the thermoelectric potential measured at a certain test point temperature:
is the thermoelectric potential value of the test point temperature on the thermoelectric servo certificate;
is the arithmetic mean value of the thermoelectric potential measured at a certain test point temperature under a certain humidity;
is the pseudo-electromotive force value of a certain test point temperature obtained on the thermocouple calibration scale:
is the pseudo-electromotive force value of a certain test point temperature obtained on the thermocouple calibration scale:
is the thermoelectric potential value of the standard and the tested thermocouple at the test point respectively. For example, at 1000, the N-type thermoelectric indication value is calculated incorrectly, and the value measured at [0[: The arithmetic mean value of the thermal potential of the standard 10-volt thermoelectric is 5.558mV: The arithmetic mean value of the thermoelectric potential of the tested thermoelectric is 36.274mV. The thermoelectric potential at 1000t is 9.5mV from the standard thermoelectric specification. The error of the tested thermoelectric at 00t is calculated. The thermocouple differential potential table shows that the error is 99.3
and the error is 0.012mV: 0.039mV
. The thermoelectric potential of the tested thermoelectric at 100t is 35.25GV. The above formula can be used to calculate the error.
etn.S#e price
Ae =rk-
-36.274 +2.581-558 x0.03936.250.012
=0.093 (mV)
Then the minimum reading difference when the dynamic adjustment is at 1000% is:
The correction value is -2.1
IV. Verification result processing and verification cycle
16 Thermoelectric devices that are verified to meet the requirements of this regulation will be given a verification certificate: For incomplete thermoelectric devices, a quality assurance certificate will be issued. If necessary, the central value of the thermocouple at each verification point can be given. Appendix 1 Verification method for thermoelectric compensating conductor 1 The thermal characteristics of the compensating conductor shall meet the requirements of the following table: wg (2.st) RuV +2.5t: 100pv (2.st) I4DuV (2.51) 60uV (.5t: 170rV (1..5t) 5V (1.st:) The light starts at the through section Ju.V (2.5t.) 250V 12.5ts 14t (2.5t)
The quality of the film is sufficient to meet the requirements of the above table. The thermal power output end of the thermal power transformer is the external thermal power transformer. The external situation is clear.
Mluv (1.s)
y st:!
120V c.1)
X5V (1.:)
Newly set two
2Generally, the compensation conductor is tested at 100℃, and the current compensation conductor is tested at 1H℃ and 20℃. It can also be tested at other temperature points as needed.
3Remove the protective and insulating layers at both ends of the compensation line (0~20)mm. And the surfaces of the two electrodes are cleaned and welded together to form a thermocouple. Then refer to Article 10 of this specification for testing. Appendix 2 Testing method for thermocouples with compensation conductors This method is used for K, F, and "type thermocouples. Connect the compensation conductor to the whole for testing. Only the rated tolerance salt is allowed.
Select the verified internal extension type compensation conductor. 5 compensation system, tolerance: (1IK1±0.2). The temperature of the joint shall not exceed 100
Thermoelectric length shall not be less than T35mm, and the total length of the thermoelectric compensation wire shall not be less than 75S)m4
The calibration shall be carried out according to the actual situation.
Appendix 3 Tubular furnace temperature field test method
This method is applicable! 300~1300Fanbi Tubular furnace group can test" Technical requirements for type protection meet the requirements of 5.5: 2 The test equipment shall meet the requirements of 4, 5., 5.8 requirements 3 The size of the positioning block is shown in Figure 1, the material is refractory material, and the sealing block diagram is 1.
4 Install the positioning block at both ends of the tubular protection. Make it close to the furnace end, and install the temperature control thermocouple (enter from hole No. 4). 5. Insert the standard thermoelectric bias of the first class into the positioning block, so that the measuring end is at the center of the furnace axis. At the intersection of the hot outlet insulation tube and the outer end of the positioning block, mark it with a pen, which is the "0" point. From this point, mark the working end and the reference end every 10mm, and mark the coordinates of 5-5. The coordinate diagram is as shown in Figure 2. 6. Insert two standard thermoelectric biases (referred to as standard 1 and standard 2) into the positioning block, connect the short circuit and install the line, measure the thermoelectric potential value of the two standard thermoelectrics, and when the temperature reaches ([000=5)C, after it is constant, measure the thermoelectric potential of standard 1 and standard 2 in turn. The number of measurements should not be less than 4 times. During this measurement time, the temperature change in the tube should not exceed ±.25. 6.1 Axial temperature field measurement: Place the mark 1 and mark 2 into the 1st hole and the 2nd hole respectively, and make the working end of mark 1 at the 0 coordinate point, and then make mark 2 at the same point: 4, -3, 2, -1, 0, 1, 2, 3, 4, 5. Measure the thermoelectric potential of the mark 2 respectively. Take the mark as the standard and mark 2 as the cutoff point, correct the thermoelectric potential value of mark 1 at the 0 coordinate point by 1000 points, and gradually determine the thermoelectric potential value of mark 2 after the contact at each point, and convert it into the temperature field standard, which is the radial temperature field measurement standard. 6.2 Radial temperature field measurement: Make mark 1 and mark 2 on the cross section. Mark 1 is placed on the furnace axis and does not move, mark 2 is placed in the furnace before the cutoff point, and the thermoelectric potential values of mark 1 and mark 2 are measured at 4 points, namely, the upper, lower, left and right. The cross section at the five coordinates of -2-1,0,1,2 is called standard 1, and mark 2 is measured. The thermoelectric potential value measured at mark 1 on the surface is corrected to 10t, and mark 2 is measured at the left and right points of the load! , The thermoelectric potential values measured at each point on the left and right are converted into temperature, which is the radial temperature field distribution of the core section. Appendix 4 Standard platinum 10-platinum thermoelectric couple within the range of [0-13M00\t: Use the method of comparing the thermoelectric potential and temperature of the standard platinum 10-platinum thermoelectric couple given in the calibration book of zinc and lead (pin), and inquire about the thermoelectric potential at each flow point, fill in the table, and the difference between the values at the three consideration points and the standard graduation clothes, respectively, calculate, ,, 2 standard 10-platinum thermoelectric coefficient 6. c, Table [A, F,: F standard platinum I 1-pin thermoelectric code thermoelectric potential () and 5 type thermoelectric standard division branch value E, () difference function calculation and: a () E () || tt || thermoelectric control certificate || tt || in the calibration certificate Wei L age out of drop, aluminum, penalty point, use (2) to calculate the coefficient: E degree table || tt ||., (r? (v) || tt || ≤ 552 60 || tt || 4-4.47201 · AE4.45367-AE, 10.981667-2E, 50.0108956-AE, 0.0147221-E || tt || 0.00382658-2
-6.24406×10.7877×102E
3.54362×m-5-F,
2.2 When zinc, ladder, and point are given on the calibration certificate, use formula (3) to calculate the coefficient. -4.87164-AE-4.747H5-A1,10.R76205-2F60.0122166·+0.1156946-F,
.00347797-AE
r=7.12235× J0-*.F,-10.43420*10*+A:*3.31186×10-6.2F
3Special coefficient a, 6, substitute (1), we can get E() to find the integer point, 4 (or {4
F() = F) /AF()
Electricity This can be used to calculate the thermoelectric potential value of the standard platinum inverse 0-pin thermoelectric bias at the integer point: 74—301 you accurate drill 10-beat thermocouple left front, ladder. The thermoelectric potentials at the three points are: F = 3444V, -554heV, F, -10566pV, water accumulation number α,, and 1200. The thermoelectric potential value of the standard thermoelectric regulator is:
Fill F, F, into Table 1, and obtain
A2—-6.8 2E,
Use formula (3) to calculate the coefficient of, and obtain:
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), use F() a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |2 When zinc, ladder and point are given on the calibration certificate, use formula (3) to calculate the coefficient. -4.87164-AE-4.747H5-A1,10.R76205-2F60.0122166·+0.1156946-F,
.00347797-AE
r=7.12235× J0-*.F,-10.43420*10*+A:*3.31186×10-6.2F
3Special coefficient a, 6, substitute (1), we can get E() to find the integer point, 4 (or {4
F() = F) /AF()
Electricity This can be used to calculate the thermoelectric potential value of the standard platinum inverse 0-pin thermoelectric bias at the integer point: 74—301 you accurate drill 10-beat thermocouple left front, ladder. The thermoelectric potentials at the three points are: F = 3444V, -554heV, F, -10566pV, water accumulation number α,, and 1200. The thermoelectric potential value of the standard thermoelectric regulator is:
Fill F, F, into Table 1, and obtain
A2—-6.8 2E,
Use formula (3) to calculate the coefficient of, and obtain:
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), use F() a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |2 When zinc, ladder and point are given on the calibration certificate, use formula (3) to calculate the coefficient. -4.87164-AE-4.747H5-A1,10.R76205-2F60.0122166·+0.1156946-F,
.00347797-AE
r=7.12235× J0-*.F,-10.43420*10*+A:*3.31186×10-6.2F
3Special coefficient a, 6, substitute (1), we can get E() to find the integer point, 4 (or {4
F() = F) /AF()
Electricity This can be used to calculate the thermoelectric potential value of the standard platinum inverse 0-pin thermoelectric bias at the integer point: 74—301 you accurate drill 10-beat thermocouple left front, ladder. The thermoelectric potentials at the three points are: F = 3444V, -554heV, F, -10566pV, water accumulation number α,, and 1200. The thermoelectric potential value of the standard thermoelectric regulator is:
Fill F, F, into Table 1, and obtain
A2—-6.8 2E,
Use formula (3) to calculate the coefficient of, and obtain:
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), use F() a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |43420*10*+A:*3.31186×10-6.2F
3Special coefficient a, 6, substitute (1), we can get E() at the integer point, 4 (or {4
F() = F) /AF()
This can be used to calculate the thermoelectric potential value of the standard platinum inverse 0-pin thermocouple at the integer point: 74—301. The thermoelectric potentials at the three points are: F = 3444V, -554heV, F, -10566pV, water accumulation number α,, and 1200. The thermoelectric potential value of the standard thermoelectric regulator is:
Fill F, F, into Table 1, and obtain
A2—-6.8 2E,
Use formula (3) to calculate the coefficient of, and obtain:
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), use F() a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |43420*10*+A:*3.31186×10-6.2F
3Special coefficient a, 6, substitute (1), we can get E() at the integer point, 4 (or {4
F() = F) /AF()
This can be used to calculate the thermoelectric potential value of the standard platinum inverse 0-pin thermocouple at the integer point: 74—301. The thermoelectric potentials at the three points are: F = 3444V, -554heV, F, -10566pV, water accumulation number α,, and 1200. The thermoelectric potential value of the standard thermoelectric regulator is: wwW.bzxz.Net
Fill F, F, into Table 1, and obtain
A2—-6.8 2E,
Use formula (3) to calculate the coefficient of, and obtain:
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), use F() a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |
Use formula (3) to find the coefficient of
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), and use F()a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |
Use formula (3) to find the coefficient of
:=1.44702
c=21. 15337× 10 4
, -0.04(688
When taking [200, substitute 4., into (1), and use F()a-r+ to obtain (a-7.9
Substitute [
)=F() IAE (t)
F(-FF:2n:
-119517.9
=11943(eV)
No.74 Standard 10-pin thermoelectric thermoelectric thermoelectric thermoelectric potential value at 1200 is 11943. Appendix 5 K, Y, E, J type thermoelectric thermoelectric potential tolerance table dye words Xie silicon thermoelectric low thermoelectric power conversion allowable blue ticket imv
Thermoelectric word
4 net position
Thermoelectric potential
Standard discharge
-6 085
Thermoelectric energy range
4.034 --2. 5b
8.UTX- K.15
2.J4--J2.371
16.72916.405
20.559·20.7=3
24.X -·23.67
29.012 - 24.215
33.144:33.40b
37 .182--37.471
41.121 4. 432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential electromotive force charge permissible charge (N
charge permissible error
thermal electromotive force
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
Thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential potential electromotive force charge permissible course fee (N
charge permissible error
Thermoelectric service
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
Light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |432
44.452-5.2x5
Nine-piece head
- (1. 13T
Lithium filter potential potential electromotive force charge permissible course fee (N
charge permissible error
Thermoelectric service
1.741~1.913
9.29F -9.374
12.913 - 13.0.33
16.672-*6.±24
21,>J4--20. 71F7
Light protection
1.593 -2,159
8 038- 228
17.105 -17..313
1.271 16.-21
20.4F4 - 2N.n2
24 714- 25 c05
24 . -- 215.34
33.03y.-- 33.531
37.356 -37.595
41.H849:.6H
44.n. 25 41
48.51n ---9.1F6
S2.UU- 52.1>1
thermoelectric grid
2.700- 2 843
5.R31 -S.9S
9.253 - 9.131
12.86-11.*65
15.6:5 - 16.991
31.43x--211. 7
Li Jian dynamic device
Detection position
3t -256
Thermoelectric force
21 036
53 312
61 0E7
Thermoelectric force
Standard direct
45 424
57 4153
63 752
Ke Ke deep dye
Thermo-animal model
24.417 -22.6.17
28.329- 2K 581
37. 321 - 32.511
36.102 --55,4u
19.921 49.2.52
Course chrome-steel net thermal code thermal electric labor charge allowable table ()
Light allowable loss difference
Li electric Nuhua certificate
6.216-6.420
13.3ID~ 11 552
20.919 -21.153
2B8.xIB- 23 074
36.8-3 -57.167
11.499 --45,237
52.899 -53.715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging allowable error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |715
60.756-61.265
6R.51169.064
Th.472~76.674
Iron-smoke thermal electric heat regulating electric Sa charging allowable error table (）
Output guarantee certificate
Thermal electric labor standard network
5.187--.351
10.695-[(0.862
16.242 -16.410
21.769-21.936
27.28 - 27.305
32.962 - 53.24
38.559-39.306
45.287...
. --52. :03
57.516-59 150
Fraudulent
= 0 235
No interest
=3 160
Allow error
±0263
Up 388
:9 sts
24. 721 -74.533
2R, 220 - 2N.69U
3. 00 --36.5-6
30. 1- -(1. 41 | | tt | 0
36.702- 37..103
14.733 -- 15 456
22.6i4 --57.53u1
60.516 -01.1N9
58.269-69.306
75.su9- 76.977 | | tt | 363 | | tt |
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