Some standard content:
ICS 17,100
Machinery Industry Standard of the People's Republic of China
JB/T10203—2000
Remote Pressure
Tratsunissiblepressuregage
2000-08-15Release
State Machinery Industry Bureau
2000-10-01Implementation
B/T10203—2000
It is formulated on the basis of non-equivalent ANS1B40.J—199X elastic element dial indicating pressure gauge, with reference to B/T8216.5-199D1Z-Ⅱ series electric test unit paper combined force balance pressure transmitter and B/T9267.3—199D1Z-Ⅱ series electric test unit paper combined force balance pressure transmitter. This standard includes the 8210-95 electric remote pressure gauge, which can be managed in full format 2C-05: The traps of this standard are recorded by the scholars of this standard:
The standard is issued by the Xing'an Institute of Industrial Automation and Energy Research, which is responsible for the investment of this standard: National Academy of Industrial Automation and Energy Research, Industrial Automation and Energy Management, and Equipment (Group Baoma Instrument Teaching Scale Company). The female members of this standard are Yang Wangchao, Zhang Guoban, and the heat separation, and the figure is
Chinese Mechanical Industry Standard of the People's Republic of China
Remote Pressure Gauge
Trarsnissibleprssuewauge
JM/T10203-200
This international standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging and production of remote pressure gauges. This standard is used for remote pressure gauges with indicating and output electrical signal functions. The standard includes integral and differential remote pressure gauges. (The table will be discussed later).
For self-contained, electric, strain gauge, photoelectric, micro-element, expansion type, etc., all remote pressure gauges with the function of outputting electrical signals should also be used in accordance with the provisions of this standard for differential remote pressure gauges. Pressure gauges under special working conditions should also meet the requirements of relevant standards.
2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of this standard, the documents shown shall be valid. Some standards have been revised and parties using this standard should investigate the possibility of using the following standards as the most temporary standard. C#71226-1996 General pressure gauges
183587-1592 Graphical indication for industrial flowmeters and systems 73536.1-1588 Electrical equipment for explosive atmospheres General purpose electrical equipment for explosive atmospheres Non-power electrical equipment Heavy safety type seven-way and electrical equipment CB 3836.+—1968
CB/T4439-1584 Industrial automation instrument working conditions vibration GB, T4451—1984 Industrial automation instrument vibration (positive effect) test method GB/T15454-1995 General technical conditions for instrument packaging [B/T1399—1991 Industrial automation instrument terminal arrangement and marking JB/T55281991
Pressure decay scale and division||tt ||JBT6804—1993
Pressure gauge
B/T8212—I999
9Industrial deep measurement and control system performance evaluation method for dynamic indication and adjustment JB/T 15.5-1999DDZ-I series electric single-charge distance instrument pressure transmitter JB/T9257.3—1999DDZ-A series electric unit combination instrument pressure transmitter TB/T 929-1999
Basic environment system and test methods 3 Product classification
3.1 Type
3.1.1 The measurement type of the instrument is divided into: pressure, high altitude, pressure vacuum chamber. 3.1.2 According to the working principle, the instrument is divided into: potentiometer type pressure transmitter, integrated or remote pressure transmitter. The integral remote pressure gauge can be divided into the following types according to the auxiliary output number: 1) The integral remote pressure gauge with dynamic type Approved by the State Machinery Industry Bureau on 2000-08-15 2000-10-01 Implementation
JBT10203-2000
It consists of two parts: the measuring device and the dynamic device. 2) The output 0m410mA dynamic remote pressure gauge (hereinafter referred to as the energy type) can be divided into two types according to the structure: the integrated type and the split type. Among them, the split integral remote pressure gauge consists of two parts: the measuring device and the electric device.
e) The output 4mA20mA differential remote pressure gauge (hereinafter referred to as the III type) 3,1.9 according to the environmental working conditions: the general type and the attached type. Among them, the resistant type is divided into two types: the case is filled with a filling fluid and the variable filling is filled with a damper. 3.2 Accuracy level:
The accuracy level of the meter is divided into two types:
Indication accuracy: 1.0, 1.5, 2.5.
Signal output accuracy: 0.5.1.1, 1.5, 2.5. 3.3 Basic considerations
3.3.1 The dial specification of the meter should comply with the 1.5, 1.6, 1.7 specifications of CB/T1226-1986. 3.3.2 The scale width, scale division and minimum division value in the indication part of the meter should comply with the relevant provisions of B/T5528. 39.3 The meteorological data in the table
Only the integers in the table shall comply with the provisions of Table 1
National Instrument
Pressure Source
Dynamic Pressure Transmission Code
4 Technical Requirements
4.1 Technical Indicators
Code Number
Zero Point Resistance Value
30 - 200
Deceleration Resistance Value
3.400-400
Electrical Signal
OmA - 1OmA (dc)
Electrical Standard Number
4mA - 20mA (dc))
4.1.1 Normal Working Conditions
Negative Resistance
. ）The ambient temperature and relative humidity of the instrument capsule are as specified in Table 2: Power supply mode
Not produced in fd.e.1
220V 501k (.e.)
220W 50Fh(ae)
24V(de)
Potentiometric pressure transmitter
Motorized near-pressure gauge
Open environment
40-+60C
-10℃ - +55%
Some auxiliary methods
Three sea starting
Four standard pots
Four coin plates
Two-line parts
Animation partners should choose GD/387
and JB/8212 standards when burning
The power product is DC 24V: as the essential
safety type fast use, by the safety medical
each power; as the book pass,
out distribution device power supply.
Allowed conductor diagram, <1000
Relative requirement
5%-85%
BT10203-200
6) The instrument pressure part generally uses 3/4 of the upper limit of the pressure;) Only the external field is not more than 400A/m
d) Air pressure 86kPa108kPa
) The surrounding air should not contain chromium, and should not contain combustible substances that will cause corrosion to the layer, non-ferrous metals and their combination.
4.1.2 Reference working conditions
Under the following conditions, the basic error, zero point displacement and needle deflection of the adjustment shall be in accordance with the requirements of the article:
V) The installation is in the correct working position:
Note: When in the normal working position, the correct working position includes the installation. The load change is:
) The ambient temperature is 20℃+%
4.1.3 Error
The basic error of the method shall be in accordance with the provisions of Table 3. Table 3 Electric anti-vibration distributor technology Differential or card Leakage pressure 4.1.4 Back and forth difference Indication part (calculated as a percentage of the empty space) There is a stop river on the element 90% of the above (the maximum output is the percentage of the value) Welcome and stop the signal and the back and forth signal should not be greater than the absolute limit of the basic course 4.1.5 Nuclear position dream No positive Jun Natural crack main ±o...±lu+(.5. ±1.0, - 1 5
0.5. +1.c. -1.5. --.5
At any position within the range of pressure, the pointer can be freely operated by the finger. The action of the potentiometer pressure gauge indicates that the absolute value of the basic reading limit will be exceeded. The positive value of the potentiometer should not exceed 50% of the error limit, and the compensation value should not exceed the basic reading limit. 4.1.6 Pointer deflection performance
During the measurement process, the pointer should not move or stop. 4.1.7 Performance
The potentiometer brush of the potentiometer pressure gauge should be smooth and should not have any movement or floating phenomenon. 4.1.8 Indicating assembly The indicating assembly of the instrument shall comply with the performance index 2.4.2 of G8T12261986. 4.2.1 Wing load The pressure part of the pressure decay and pressure vacuum gauge shall be subjected to the recommended load test of 0m according to the provisions of Table 4. Table 4 Pressure part measurement upper limit 10 -60 100~160 4.2.2 Empty load The instrument shall be subjected to the alternating load test of sine wave according to the provisions of Table 5. Table 5
Potential non-type remote pressure gauge
Differential suspended giant force gauge
4,2.3 Weak working vibration period
) Potential type remote pressure load
10 - 60
100-160
100-160
The instrument is placed to withstand the VH3 alarm vibration specified in CB/T4439. b) Matching type differential remote pressure gauge
Matching pair type differential remote pressure gauge should comply with the provisions of Table 6. Table 6
Topic
Measuring device
Animation
Type II dynamic remote pressure gauge
Unload (pressure measurement 125% of the required volume)
20 - 8G
25 - 75
30 - 70
2D- 80Www.bzxZ.net
30- 70
VH4 suction and suction specified in GB.T4439
Alternating variable
YH
Specified in G/T4439 and Gt/T3337 and JB/T8212. Type II split-type dynamic remote pressure gauge should comply with the requirements of the table. Type II integrated structure integrated remote pressure gauge should comply with the requirements of the measurement device part of the table. Table
Temperature part
Measurement device
Electric hydraulic
Type integrated remote pressure gauge
YH4 specified in GB/T4439
VH2 specified in CB/T4439
Warning type: The instrument should be able to withstand the VH3 load perturbation specified in GB.T4439. Replacement
V.EL.3 specified in GB/T4439
Y,H.2 specified in CB/4439
JB/T.10203-2000
Test: The instrument should be able to withstand the VH4 frequency perturbation specified in C8/T4439. 4.2.4 Transport environment resistance The instrument shall be able to withstand the transport environment resistance performance test specified in T/T9329 under the condition of transport packaging, among which high temperature and relative temperature items are not required. The basic test items are shown in Table 8. Table 8 Transmission pressure meter 1, 2. 5 Insulation performance In the working condition of attenuation 9, the pure resistance and terminal strength of the instrument shall meet the requirements of Table 10 and Table 11. Table 9 Differential remote pressure transmitter Electric pressure transmitter Dynamic pressure transmitter Pressure transmitter Humidity transmitter Environment -35% -15T-35% 15℃ ~ 35% 15℃ ~ 35% ℃ Between the cell and the shell Positive travel rate Output electron Output voltage ... 65
Heat resistance
Related humidity
45%75%
5%-85%
Electronic components and components
Electronic components
For differential remote pressure gauges with explosion-proof function, they shall meet the requirements specified in GB3836. and CB38364. 4.2.7 Reverse protection
Add power supply voltage to the instrument and keep it at 5, and there shall be no damage. 4.28 Output component
When the negative resistance value of the instrument is as shown in Table 12, the AC component in the output signal has a large value and does not exceed the requirements in Table 12. 5
4.2.9 Dead zone
Tian/T10203-2000
Details
The dead zone of the meter should not exceed 30% of the absolute value of the basic error limit. 4.2.10 Meter filling and sealing
For vibration-resistant instruments, there should be no leakage after the meter is filled with poison. 4.2.11 Core medium speed missing performance
For vibration-resistant instruments, it shall comply with the provisions of 5.9 in 3BT68041993: 4.3 Influence diagram indicators
4.3.1 Power supply change impact
Return component (battery voltage change)
When the power supply voltage of the instrument changes within the range shown in Table 13, the change in the output of the instrument shall not exceed the value of the basic differential limit
Power supply voltage mutual sanctification range
(2192 )Y (Ae. )
[24 -(d6.?
b) Short-term impact of power supply
When the power supply of the instrument is cut off for 1 minute, or the power is newly turned on for 10 minutes, the change of the output voltage shall not exceed 50% of the absolute error limit of the instrument
) Low power drop effect
The original voltage of the instrument drops to 75% of the nominal value and maintains for 5 seconds, and then the nominal value is quickly connected. The voltage change of the output voltage should not exceed 50% of the absolute error limit of the basic value.
Overvoltage during electrolysis
When applying a short-term overvoltage pulse to the power supply of the protective meter, the voltage change of the output voltage should not exceed % of the basic error limit of the basic value. 4.3.2 Temperature influence
Potentiometer pressure gauge:
When the ambient temperature is 2℃±5℃, the indication error and storage error of the instrument (including storage point) shall not exceed the provisions of the formula ():
2=*(a+K.20
Where: —
Absolute value of the basic error specified in 4.1.3,!aI - tI,C:
Any value within the ambient temperature range specified in 4.1.; when it is higher than 25℃, it is 25%; when it is lower than 15%, it is 15℃0.4%(0.%)
Note: —0.% is only applicable to the value error of electric wire type pressure gauge, b) Differential remote pressure gauge:
L) The indication error of the potentiometer shall comply with the provisions of 4.3.2.a). 6
B10209—200
The signal error and residual change of the instrument for every 10℃ change are shown in Table 14. Table 14
The temperature change of each test point
The temperature change
±1.0>10Fc
(% of the value)
±1.4/10℃
The change is the lowest value between the start of the test and the end of the test. 2 The residual is the highest point and the upper limit. 4.3.3 Model Interference
) Type II only shows
In each test point, the change of the output value of the instrument should not exceed the absolute limit of the basic error.
6) Sub-type instrument
When a 50V interference signal is applied between one output terminal and the output terminal, the change of the output value of the instrument should not exceed the absolute value of the basic error limit.
4.3.4 Radio interference
The influence of radio interference on the output shall be negotiated between the manufacturer and the user. 4.3.5 External magnetic field
The instrument is placed in an external magnetic field with a predetermined rate and a strength of 4A/, and the change of its stop current should not exceed the absolute value of the basic error limit.
4.3.When the negative resistance changes as shown in Table 15, the current change should not exceed the absolute value of the detection point limit. 15
The device should be installed with electric changes
d.4 Appearance
250Q-350m
The outer and inner covering of the instrument should be intact, the glass or other transparent materials of the reading device should not have defects that affect the positive and negative reading efficiency, and the fastening parts should not be loose or damaged. 6. The test sequence of the acid test and the interval time between each test item should be specified in Appendix A of the standard. If there is an adjustment device, the adjustment point is allowed before each test, but the adjustment point is not allowed during the test. 5.1 Test conditions
In addition to the reference work case in 4.1.2, the following conditions and regulations should also be met. The voltage drop between the output voltage and the load resistor is used as the output signal of the instrument, and the load voltage limit is regulated in 16. Only the table is damaged and the actual technical system is in the factory. The preheating time is not specified in the plan. The preheating time is allowed in 5.2 standard instruments. The pressure gauge, the standard pressure gauge and the teaching electrical equipment, the standard setting absolute chain, should not be greater than or equal to 1/4 of the value of the control instrument. 5.3 to recognize the age tax. 5.3.1 value reduction. 5 8.1.1 specification reduction. The inspection is carried out by comparing the method of the residual, and the scale of the standard number is the inspection point. 5.3.1.2 During the test, the vacuum value of each test point should be stabilized to the upper limit (vacuum should not be less than 90% of the vacuum value of each V type), and the vacuum should be maintained for 3m. After the test, the vacuum value should be stabilized, and the original test point should be read. 5.3.1.3 During the test, each test point should be read twice, once when the value is stabilized to the specified value, and the value should be printed before the meter is set. 5.9.1.4 The basic position of the display should be adjusted in the forward and reverse directions, and the reading should be read once before and after the light drop. Before and after the light drop, the difference between the displayed current and the standard source should be recorded, and all should meet the requirements of 4,1.3. 5.3.2 Signal difference 5.0.2.1 Vertical positive load meter is calculated according to formula (2). R+RF: R—actual measured power demand value (battery, average power load), R—actual measured power demand value (station, location). The R test point is the same as the indication value base test point. The number of points on the tube is calculated using the formula (3) which conforms to the theoretical formula 4.1.3:
The difference between the actual pressure center value and the actual zero point value must be balanced:
—Therefore, the total number of strict scale marks on the five scales
The actual technical specifications are usually marked on the disk. The total safety technical specifications are usually marked on the factory inspection. The actual measurement results can also be used in conjunction with the corresponding test methods. The allowable value of the signal error after the change is the basic error value of the basic setting and the display of the optimal meter. 5.3.2.2 The dynamic operation pressure gauge control point value is the basic error value of the two control points. The flower into the dynamic reduction of the retention of the measurement shoes and the matching dynamic matching type after the accurate indication, the English number, matching case, the value of the layer of the course number of the expected value of the basic error resistance and the display only need to know the algebraic limit of the case. 5.3.2.3 Vertical, mouth and remote pressure gauge inspection points and indication basic error inspection points are the same. In the pressure increase and decrease of the heart, the output voltage (night hold the output voltage> for reading, the output voltage value of the base rate channel is not accounted for, it is calculated by formula (4). In the formula; 1 output current standard value;
[— edited by the actual measurement signal
B/T102033000
*+=[(I ± -1 )/1] × 100%
", output the value of the upper and lower limits of the electric screen. 5.4 Back and forth difference test
In 5.3, the absolute value of the difference between the indication error and the signal error of each inspection point should meet the requirements of 4.1.4. 6.5 Light load
In 5.3, the absolute value of the difference between the indication error before and after light hiding and the signal error of the same inspection point should meet the requirements of 4.1.5.
5.6 Pointer deflection stability
Increase the load from zero to the upper limit of measurement, then gradually reduce the load to zero, and observe the pointer deflection stability. 5.7 Zero point reduction
Lu. In 5.3, when the load is negative (connected to the atmosphere), visually inspect the drum The position of the meter pointer before and after adjustment. And! For a meter with a stop, the pointer should be against the stop. b) For a meter without a stop, the pointer should be within the required point mark bottom line. 5. Electric brush stability test
Connect the test cell and the display meter, and slowly increase the load from zero to the upper limit of measurement within about 30 minutes. After adjustment, slowly reduce the load to zero at the same speed. At this time, the pointer of the display meter should move smoothly without jumping or stopping. 5.9 Inspection of indicating device
Visual inspection.
5.10 Overload test
Only carry out a short-term test as specified in Table 4. After unloading the load, check again according to 5.3~5.7 within 30 minutes. 5.11 Alternating load test ||tt ||The instrument shall be subjected to alternating load test as specified in Table 5. After the test, it shall be inspected in accordance with 5.3~5.7 within 30m. 5.12 Working vibration test
The transformer shall be installed on the disassembly workbench and subjected to working vibration test. According to GB/T 4451, Class 14 and Class 2A (equivalent use environment vibration levels VH2, VH3, and VH4) shall be selected. 5.12.1 When checking the initial vibration response, add 50% of the load. 5.12.2 The durability test adopts a fixed frequency test. For example, if the load is 5%, the rated vibration endurance time is 1h. 5.12.3 After the test, the test shall be restored to normal and shall comply with the provisions of 4.2.3. 5.13 Transport environment resistance test
Perform according to JB/T9329 and 4.2,4 of this standard. After the test, the test shall be carried out in accordance with the provisions of 5.3-5.7 of this standard. 5.14 Insulation performance test
5.14.1 Insulation distribution
The rated current voltage of 500V is connected to the output of the meter, between the power supply terminal and the shell, and between the insulator and the output terminal. The insulation resistance shall meet the requirements of Table 10. 5.14.2 Insulation strength
The instrument is short-circuited as shown in Table 11, and the terminals and the shell are connected to the two poles of the high-voltage test bench. Then the test voltage is slowly increased to the value specified in Table 11, and maintained for 1n. Check whether there is breakdown and arcing phenomenon, then slowly reach zero value, cut off the power supply, 5.15 Anti-corrosion test
All instruments with explosion-proof requirements shall be subjected to explosion-proof test. The explosion-proof test shall be reviewed and inspected by the explosion-proof inspection unit designated by the State, and obtain explosion-proof certification. The explosion-proof certificate number and related equipment should be written in the instrument manual. 5.16 Reverse protection of electric pickup shall be carried out according to the provisions of 4.2.7. B.17 Output exchange shall pressurize the fast decay lead quantity to make the output electric filter change from the registered minimum value when necessary. Under the low load distribution of the meter 12, the output electric quantity of the meter shall meet the requirements of 4.2.8. 5.1e Dead zone test
In case of a relatively high input pressure, or the pressure needs to be reduced, take the three points of the life point at the case point, and after the current is stabilized, press the same direction or less pressure to the correct value of the heat signal in the opposite direction or increase the real brush to produce the registration of the bed treasure; the door input value is the percentage of the airbus change (to the life of three sinks) as determined, and the average value is the garden area of the point, and the maximum dead zone of each point is taken as the dead zone of the instrument. 5.10
Will the clothing technology light adult water, with grams of HP of the exhaust port gas area, rise for 5a, and there is gas.
Note: Another variable test.
3.20 Item disk phase medium pulsation test
Conform to /T5804~-1993, the medicine point is determined. 5.21 The influence of the voltage change of the source on the whole
is increased by the pressure of the whole person, and the change of the filter width is larger than the whole situation, so that the electric power loss is extended as shown in Table 1, and the corresponding circulating power needs to be changed, and the provisions of 4.3.1 should be included. 6. The power of the bicycle is changed, and the power of the bicycle is changed ...【The resistance is fixed. 523 electric version of the drop || tt || a thing of the increase of personnel training norms plus the side, so that the test point of the electric charging problem in the technical near a single major problem, the four sources of the safety meter are the main drop of 5 to ensure that 5 can be said to be mutually cushioned, the proposal of the family transmission gear should also be the color of 4.3.1, 624 students light overpressure || tt || this material cold people effective, urgent test it stable in the benefit of the product, the evaluation norms of the commercial negative Wang Lu Xue received the point to the technical instrument to do the electric peak Keshi, 10 balls of impact superimposed on the benefit of the meter all electric random phase photography, the pulse energy is, its ton value by the manufacturer and the user to determine the cavitation environment should be in accordance with the provisions of 4.3.1. 5.25 test guide
5.5,1 potential Shugono pressure device
special only table model quality matrix two, increase the points deputy test: details) to 41.1 original empty trap beyond the range because of the previous upper limit (see Table 2), and make the zero volume drop 75% of the negative art to get no you set, keep no less than 5 holes, after the effect of the cloud, according to the 51 empty method respectively send the affected fat indication and signal of each inspection point. 525.2 digital pressure
tube 5 constant change
also put in the human difference range, under 4.[.2 of my conditions, make the table reduce the empty public! Ensure that the negative reduction is 50%, the fixed product is 30m, more than 5 three hope supervision party lacks reading agriculture this joy test point standard signal and Then, make the following two temperature changes: 20℃, +40℃+5, -2℃, 0C.-10℃, +20℃. Let the whole temperature change, the service interval is 20. When the setting is reached, retreat 2 more times, and the number of each inspection point is the highest. And at every two adjacent points: measure and calculate the change in the measurement points and the change in the upper and lower limits of the specification.
b indication value abandonment
is the same as the inspection method of
, only when the temperature is cooled (lowered) to the upper (lower limit) of the temperature range, the constant temperature is 36, the heat cloud god is in, and the indication of each inspection point is taken according to the 5.3 control force method, 5.26 common touch + disturbed film
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