Some standard content:
1CS 17. 100
Mechanical Industry Standard of the People's Republic of China
JB/T9275—1999
Capstile pressure gauge with clectric contact1999 - 08 - 06 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
IB/T9275—1999
This standard is based on B/T924-1999 Diaphragm Pressure Gauge, supplemented with the relevant requirements for its attached electric contacts, and combined with GB/T5010-1985 Performance Evaluation Method for Position Controllers for Industrial Process Control Systems. In addition to the requirements of this standard, the instrument shall also comply with all the provisions of the rectangular instrument in GB/T2274. In addition to the provisions of this standard, the technical implementation and control performance test of this standard shall also comply with the corresponding provisions of GB/T5010: This standard is in accordance with GB/T1588 Electric Contact Pressure Gauge. During the revision, the original standard was edited and modified, and the main content remained unchanged.
This standard shall replace 7BN1105-8 from the date of implementation. Interpretation A of this standard is the standard.
This standard was proposed and approved by Xi'an Industrial Automation Instrumentation and Instrumentation Research Institute. The responsible drafting unit of this standard: Xi'an Industrial Automation Instrumentation and Instrumentation Research Institute. The main drafters of this standard: Yi Baiqiang and Zhao Gaoan. Scope
Mechanical Industry Standards of the People's Republic of China
Electric Contact Diaphragm Pressure Gauge
Capaule prexsnire gauge with electric contact This standard specifies the product classification, technical requirements, test methods and inspection rules of electric contact diaphragm pressure gauge. JB/T 92751999
This standard is applicable to metal capsule pressure gauges, vacuum gauges and pressure true gauges (hereinafter referred to as receiving gauges) with relay contacts and capable of two-way and three-way control.
This standard does not apply to instruments used in plateau areas. Reference standards
The text contained in the following standards becomes the provisions of this standard through reference in the standard. When this standard is published, the versions shown are valid. All standards will be revised. The parties using this standard should discuss the possibility of using the latest versions of the following standards. GB/T4439-1984 Industrial automation instrumentation working conditions: CB/T5010-1985 Performance evaluation method for position controllers used in industrial overload control systems JB/T 1399-1991 Industrial automation instrumentation wiring arrangement and marking JB/T9252-1999 Basic types, dimensions and general requirements for pointers of pointers of industrial automation instruments B/T 9274-1999 Pressure relief device JB/T9329-1999 Instrument transportation, transportation should be stored in this environment. 3 Product classification 3.1 Control mode and indicator light indication mode The control mode and warning light indication mode of the instrument shall comply with the provisions of Table 1. Table!
System mode
With two-position type [single limit dimension required]
Only the rate
Monitoring device of the pointer
Guohao Machinery Industry and Commerce 1999+08-06 approved the table management
Total-can pass
Total-high
Indicator light non-right type
Green light on
Red text trap
Green mouth
2000-01-01 actual
Control point type
Wind has three-button type with upper and lower limit version
Complete collection table
3.2 Appearance and installation dimensions
JB/T 9275—1999
meter charging)
indicator needle fast work
meter output only
total one low pass
total-central area sprinkler
total one commercial pass
indicator light indication mode
train light on
rainbow light off
green light off
red light wall
scattered light width
red light charging
the meter's overall dimensions and installation opening dimensions shall comply with the requirements of Figures 1 and 2. When assembling vertical arc scale meters, the installation hole dimensions shall comply with Figure 3.
一Indicator light
3.3. Power supply
. Indicator light
口蒙美
JB/T 92751999
22 positive integer
Figure 3 Assembly cold face plate opening diagram
Only the power supply with nominal value of 220V.50z should be considered. 3.4 Output current of electrical contacts: 220%×34, non-inductive load, open circuit. 4 Technical requirements 4.1 Normal working conditions 4.1.1 Working conditions: Ambient temperature: 0℃-50℃; Relative humidity: not less than 9℃; Power supply: 220V ±19%V, 50H±5%H, JB/T 92751999 4.1.2 The ambient temperature for normal working shall exceed VH2 level specified in CB/T4439. 4.2 Reference working conditions
4.2.1 Under the conditions specified in 4.2 of JB/T9274, the basic error, round trip error, zero error, radial displacement, pointer deflection stability, set point error, and switching error of the instrument shall comply with the relevant provisions of this standard. 4.2.2 Under the conditions specified in 2.1.2.2.1.3 and 2.2 of GB/T5010, the power supply voltage, external magnetic field, image performance and humidity range of the instrument shall comply with the relevant provisions of this standard. 4.3 Basic requirements
The basic error, round trip error, zero error, radial displacement, pointer translation, adjustment device, indicating device and appearance of the meter shall comply with the provisions of 4.3~4.7, 4.11-4.13 of JB/T9274. 4.4 Set point error
The set point error of the instrument shall not exceed the instrument's indicated error limit. 4.5 Switching difference
The switching difference of the meter should not be greater than the absolute value of the basic error limit of the indicated value. 4.6 Power supply distortion
When the power supply is distorted according to GB/T50I0, the meter should comply with the provisions of Table 2. 2
Haven mother
Main power supply change: set point fast difference
current difference type
electric short-time interruption: interruption time is 20m to avoid power change point: relay control pointwwW.bzxz.Net
electric system overvoltage: the amplitude of the peak voltage is 500% of the effective value of the main voltage. When the chain device presses the point
4. The external field
technical indicators
the bottom is not greater than 1.5 times the full setting limit
should not be greater than 1. If the basic limit is not set, the error of the calibration point should not be greater than 1.5 times the basic error limit, and the error should not be greater than 1.5 times the basic error limit. 4 After the instrument is subjected to the overload test according to 4.R of B/T9274, the set point error and switching difference shall still comply with the provisions of 4.4~4.5 of this standard. 49 Insulation performance 49.1 The insulation resistance of the instrument shall not be less than 2HM1, measured between the following pairs of terminals: power terminal and grounding terminal; power supply terminal and output terminal; power supply terminal and output terminal. 492 The test voltage of the instrument is 9. 410 Temperature influence
JB/T 92751999
When the ambient temperature deviates from 20±5, the set point error of the meter shall be within the range specified by the following formula: 4 = +(8+Rt)
The set point error of the meter is only when the temperature deviates from 2U℃5%. The expression method is the same as that of the set point error under comparative conditions:
, which requires:
8—the set point error specified in 4.4, verification: -II,C:
t—any value of the ambient temperature specified in -4.1, it; 1—when it is higher than 25%, it is 25%, at 15℃, it is 15—0.[%℃.
4.11 Virtual heat
After the instrument is subjected to the next heat test according to CB/T5010, the set point reading error should not be greater than 1.5 indication basic error limit, and the switching error should not be greater than the absolute value of 1.5 indication basic error limit. 4.12 Alternating load
After the instrument is subjected to the alternating load test according to 4.10 of JB/T9274, the set point error and initial switching error should still comply with 4.4,4.5 stipulates, 4.3 setting range The setting range of the instrument should be within 5% of its upper limit value. The maximum range between the upper and lower limit pointers should not be less than 60% of the measurement range, and the minimum range should not be greater than 5% of the range. 4.14 Setting the setting pointer of the instrument should comply with the provisions of JB/T9252, 4.15 The configuration of the wiring terminal of the instrument should comply with the provisions of B/T1399. 4.6 Performance against vibration in working environment The instrument shall be able to withstand the vibration of level V.1 to I.2 specified in GB/T4439. There shall be no mechanical injury after vibration. The requirements of 4.4 and 4.5 shall be met. 4.17 Resistance to shrinkage environment The instrument shall be able to withstand the impact, shock and free drop tests specified in GB/T9329 under medical packaging conditions. The minimum vibration temperature is -40℃ and the minimum drop height is 100mm. Or it shall comply with the requirements of 4.4 and 4.5. 5 Test method Test sequence: Item 1 shall be tested for sensitivity within 1 month (standard resistance to vibration). 5.1 Basic requirements test
The instrument's running error, back and forth error, hand point error, light drum displacement, pointer deflection, zero adjustment, indicating device and appearance test shall be carried out in accordance with 5.1-5.9, 5.13-5.15 of JB/19274. 5.2 Set point error switching error test
5.2.1 For three-position measuring instruments, the upper limit setting is tested near 50% and 75% of the scale, and the lower limit setting is tested near 25% and 50% of the scale; for two-position measuring instruments, the setting is tested near 25%, 50% and 5% of the scale. 5.2.2 Align the setting pointer to the specified test point (i.e., the test value), slowly increase (or decrease) the load until the contact is activated (the vertical device is closed or released), and read the load value at this time on the standard instrument as the upper switching value (changed to the lower switching value). Then reduce (or increase) the load from this point until the contact is activated, and read the load value at this time on the standard instrument as the lower switching value (changed to the upper switching value). The algebraic difference between the upper (lower) switching value and the set value is the set point error: the upper switching value minus the lower switching value. 5:3 Self-powered switching test
IB/T92751999
In addition to the provisions of 5.4 in CB/T5D10, the following supplementary provisions are made for the time-varying test: 5.3.1 In the test, the load value should be increased to a value greater than the upper switching value (or reduced to a value less than 2 times the initial switching difference). When the switching difference is less than 1%, it is calculated as 1% of the range. The switching difference is calculated using the closed switching value borne by the power supply with short-term interruption of the source, low drop and screen time overload test:
5.3.2 For contacts with upper and lower limits, the main lower contact is tested separately. 5.3.3 The time-varying test is carried out by applying at least 10 pulses with random phases with the main power supply voltage. 5.4 External magnetic field test
The external magnetic field test is carried out in accordance with 5.8 or the specified test in T501). 5.5 Random load test
After the overload test is carried out and inspected according to 4.8 of II/T9274, it should also be inspected according to 5.2 of the standard. 5.6 Insulation performance test
The insulation performance test is carried out according to 6.5 of GB/15110. 5.7 Temperature influence test
After the temperature influence on the meter is carried out according to 5.1 of B/T9274, the error of the indication is checked, and the error of the set point affected by temperature change is checked near 50% of the scale.
5.B Damp heat test
The damp heat test is carried out in accordance with 5.2.2 of GB/T5010. 5.9 Variable load test
After the instrument is tested in accordance with 5.12 of IB/T9274, it shall also be inspected in accordance with 5.2 of this standard. 5.11 Terminal inspection
Visual inspection.
5.12 Working opening and disassembly resistance test
After the instrument is tested in accordance with 5.16 of IB/T9274, it shall also be inspected in accordance with 5.2 of this standard. 5.13 Test of resistance to transportation environment
After the instrument has been tested for resistance to transportation environment according to 5.17 of IB/T9274, it shall also be inspected according to 5.2 of this standard. 6 Inspection rules
6.1 The instrument shall be inspected one by one according to 4.3-4.5, 4.9, 4.3-4.15 and 7.1 of JB/T9274. It can be shipped after passing the inspection and issuing the certification documents.
62 Type test inspection
The type inspection of the instrument shall be carried out according to all the requirements of this standard: and the type inspection shall be carried out in the following circumstances: a) New product trial design and identification: b) Regular inspection of instruments produced in batches; c) When the design process or the materials used change and affect the performance of the instrument; When the instrument that has been discontinued is produced again.
For the two cases b) and d), the tests specified in 5.12 and 5.13 may not be performed. G
Indicator with zero setting range
Quality design and protection
Indication and signal control
Electricity test
Electricity time center
Power supply change note
Shali Kangfang
Surface flow
No stop
Low temperature test
Heat base test
Yi Ya project load
High temperature resistance, working environment pollution performance test
Anti-operation test
JI/T 92751999
(marked background)
Test sequence and time between items
Indication value acceptance refers to: difference error type, object type, manual point control meter, business quick recommendation, report needle signal and other special inspections; signal inspection: set point error single, initial replacement fee and two control adjustments. The change of this unit should be checked at a temperature of not less than 4. At 5% of the actual risk, the signal should be checked. Set the air 5% standard value. The monthly power supply needs to be calculated on the upper and lower positions. 5.2.1 The energy zone is Gongren Street. Please check the mutual inspection. The indication value is 50% of the standard rate. Please check the mutual inspection. The signal will be adjusted within 3m after the signal is adjusted. The signal will be adjusted within the standard value. The signal will be adjusted within 50% of the standard value. After the signal is set at 24h, the new indication value and the previous guarantee will be delivered. Test the position and signal within 30min.3 Self-powered switching test
IB/T92751999
In addition to the provisions of 5.4 in CB/T5D10, the following supplementary provisions are made for the time-varying test: 5.3.1 In the test, the load value should be increased to a value greater than the upper switching value (or reduced to a value less than 2 times the initial switching difference). When the switching difference is less than 1%, it is calculated as 1% of the range. The switching difference is calculated using the closed switching value borne by the power supply with short-term interruption of the source, low drop and screen time overload test:
5.3.2 For contacts with upper and lower limits, the main lower contact is tested separately. 5.3.3 The time-varying test is carried out by applying at least 10 pulses with random phases with the main power supply voltage. 5.4 External magnetic field test
The external magnetic field test is carried out in accordance with 5.8 or the specified test in T501). 5.5 Random load test
After the overload test is carried out and inspected according to 4.8 of II/T9274, it should also be inspected according to 5.2 of the standard. 5.6 Insulation performance test
The insulation performance test is carried out according to 6.5 of GB/15110. 5.7 Temperature influence test
After the temperature influence on the meter is carried out according to 5.1 of B/T9274, the error of the indication is checked, and the error of the set point affected by temperature change is checked near 50% of the scale.
5.B Damp heat test
The damp heat test is carried out in accordance with 5.2.2 of GB/T5010. 5.9 Variable load test
After the instrument is tested in accordance with 5.12 of IB/T9274, it shall also be inspected in accordance with 5.2 of this standard. 5.11 Terminal inspection
Visual inspection.
5.12 Working opening and disassembly resistance test
After the instrument is tested in accordance with 5.16 of IB/T9274, it shall also be inspected in accordance with 5.2 of this standard. 5.13 Test of resistance to transportation environment
After the instrument has been tested for resistance to transportation environment according to 5.17 of IB/T9274, it shall also be inspected according to 5.2 of this standard. 6 Inspection rules
6.1 The instrument shall be inspected one by one according to 4.3-4.5, 4.9, 4.3-4.15 and 7.1 of JB/T9274. It can be shipped after passing the inspection and issuing the certification documents.
62 Type test inspection
The type inspection of the instrument shall be carried out according to all the requirements of this standard: and the type inspection shall be carried out in the following circumstances: a) New product trial design and identification: b) Regular inspection of instruments produced in batches; c) When the design process or the materials used change and affect the performance of the instrument; When the instrument that has been discontinued is produced again.
For the two cases b) and d), the tests specified in 5.12 and 5.13 may not be performed. G
Indicator with zero setting range
Quality design and protection
Indication and signal control
Electricity test
Electricity time center
Power supply change note
Shali Kangfang
Surface flow
No stop
Low temperature test
Heat base test
Yi Ya project load
High temperature resistance, working environment pollution performance test
Anti-operation test
JI/T 92751999
(marked background)
Test sequence and time between items
Indication value acceptance refers to: difference error type, object type, manual point control meter, business quick recommendation, report needle signal and other special inspections; signal inspection: set point error single, initial replacement fee and two control adjustments. The change of this unit should be checked at a temperature of not less than 4. At 5% of the actual risk, the signal should be checked. Set the air 5% standard value. The monthly power supply needs to be calculated on the upper and lower positions. 5.2.1 The energy zone is Gongren Street. Please check the mutual inspection. The indication value is 50% of the standard rate. Please check the mutual inspection. The signal will be adjusted within 3m after the signal is adjusted. The signal will be adjusted within the standard value. The signal will be adjusted within 50% of the standard value. After the signal is set at 24h, the new indication value and the previous guarantee will be delivered. Test the position and signal within 30min.3 Self-powered switching test
IB/T92751999
In addition to the provisions of 5.4 in CB/T5D10, the following supplementary provisions are made for the time-varying test: 5.3.1 In the test, the load value should be increased to a value greater than the upper switching value (or reduced to a value less than 2 times the initial switching difference). When the switching difference is less than 1%, it is calculated as 1% of the range. The switching difference is calculated using the closed switching value borne by the power supply with short-term interruption of the source, low drop and screen time overload test:
5.3.2 For contacts with upper and lower limits, the main lower contact is tested separately. 5.3.3 The time-varying test is carried out by applying at least 10 pulses with random phases with the main power supply voltage. 5.4 External magnetic field test
The external magnetic field test is carried out in accordance with 5.8 or the specified test in T501). 5.5 Random load test
After the overload test is carried out and inspected according to 4.8 of II/T9274, it should also be inspected according to 5.2 of the standard. 5.6 Insulation performance test
The insulation performance test is carried out according to 6.5 of GB/15110. 5.7 Temperature influence test
After the temperature influence on the meter is carried out according to 5.1 of B/T9274, the error of the indication is checked, and the error of the set point affected by temperature change is checked near 50% of the scale.
5.B Damp heat test
The damp heat test is carried out in accordance with 5.2.2 of GB/T5010. 5.9 Variable load test
After the instrument is tested in accordance with 5.12 of IB/T9274, it shall also be inspected in accordance with 5.2 of this standard. 5.11 Terminal inspection
Visual inspection.
5.12 Working opening and disassembly resistance test
After the instrument is tested in accordance with 5.16 of IB/T9274, it shall also be inspected in accordance with 5.2 of this standard. 5.13 Test of resistance to transportation environment
After the instrument has been tested for resistance to transportation environment according to 5.17 of IB/T9274, it shall also be inspected according to 5.2 of this standard. 6 Inspection rules
6.1 The instrument shall be inspected one by one according to 4.3-4.5, 4.9, 4.3-4.15 and 7.1 of JB/T9274. It can be shipped after passing the inspection and issuing the certification documents.
62 Type test inspection
The type inspection of the instrument shall be carried out according to all the requirements of this standard: and the type inspection shall be carried out in the following circumstances: a) New product trial design and identification: b) Regular inspection of instruments produced in batches; c) When the design process or the materials used change and affect the performance of the instrument; When the instrument that has been discontinued is produced again.
For the two cases b) and d), the tests specified in 5.12 and 5.13 may not be performed. G
Indicator with zero setting range
Quality design and protection
Indication and signal control
Electricity test
Electricity time center
Power supply change note
Shali Kangfang
Surface flow
No stop
Low temperature test
Heat base test
Yi Ya project load
High temperature resistance, working environment pollution performance test
Anti-operation test
JI/T 92751999
(marked background)
Test sequence and time between items
Indication value acceptance refers to: difference error type, object type, manual point control meter, business quick recommendation, report needle signal and other special inspections; signal inspection: set point error single, initial replacement fee and two control adjustments. The change of this unit should be checked at a temperature of not less than 4. At 5% of the actual risk, the signal should be checked. Set the air 5% standard value. The monthly power supply needs to be calculated on the upper and lower positions. 5.2.1 The energy zone is Gongren Street. Please check the mutual inspection. The indication value is 50% of the standard rate. Please check the mutual inspection. The signal will be adjusted within 3m after the signal is adjusted. The signal will be adjusted within the standard value. The signal will be adjusted within 50% of the standard value. After the signal is set at 24h, the new indication value and the previous guarantee will be delivered. Test the position and signal within 30min.
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