GB/T 11877-1999 Technical requirements for marine gyrocompass combined steering instruments
Some standard content:
ICS 47.020-7C
National Standard of the People's Republic of China
CB/T 118771999
Specification of marine autopilot with gyro compass1999-04-15 issued
1999-12-01 implementation
State Administration of Quality Supervision, Inspection and Quarantine issued
G11/711877-1999
This standard applies to the International Organization for Standardization (IS) and the main specifications of TS/CT>11G748 shares: technical sales to control systems 1957 (715 to E1157189 retrograde design. This version is compared with 3118-1, and has the following features: environmental group, angle socket, power supply, bottom total circuit new question deviation layout, purchase section and salt The main aspects of the test period have been revised to align with the relevant international standards. This standard replaces GB/T11T9R9 from the date of implementation: This standard is the China State Shipbuilding Corporation. This standard is the responsibility of the China Shipbuilding Industry Corporation General Economic and Technical Research Institute. The main international standards are Zeng Nengyi, Song Xiuyi, and Zheng Di: This standard was first issued in January 1939.
1 Scope
National Standard of the People's Republic of China
Technical Specification of Marine Gyrocompass Combined Steering Instrument GHT11877--1999
Code*G/ 113:1-1y
This standard specifies the requirements, test methods and inspection rules for the combination of frequency compass and energy detector (hereinafter referred to as combination). The combination shall be used to certify the production and use of the combination. 2 Reference standards
The following standards are quoted in blanks and become the provisions of this standard through reference in this standard. The editions of the standards published are valid. All standards are subject to change. The use of this standard is the most recent standard. G1-:9 Packaging instructions
GB/T4300 192 General technical conditions for international explosive compasses GB/15743-1934 General technical conditions for special or energy detectors GB/T08-1934: D Shipping packaging and delivery marks GBT69.11988 General provisions for industrial product instructions GB/T15868-1996 Global Maritime Safety System C[[DSS> General requirements for large-scale marine electronic equipment and marine navigation equipment Test results and requirements 1EC5:1S9C33n
Stock navigation instruments can also be packaged as much as possible to take the electronic equipment to know the instrument with instrument sales title and label CT: 3823-1984
(0/7.206-1383: Installation of magnetic compass on board shipEC1121,1995
3 Definitions
Maritime navigation signal equipment and digital interface system Part 1 Single-channel timekeeping multi-level listening device
This standard adopts the relevant definitions and the following agreements in G/T5743: 3.1 Gyrocompass and multi-level compass combination control system, which can automatically keep the ship's heading stable through the gyrocompass and the control system.
3.2
At a certain moment, the actual horizontal position of the ship or the head, expressed as angular units from the island, usually calculated from the reference direction as 0% through 360
3.3=manual stccrir.g
The frequency wheel or the three-way control machine's beam energy mode, the national quality control technology supervision high 19090415 approval 999-12-C1 implementation #
4 must come
4.1 composition
The energy detection should include the following devices at least GB/111871999
=) direction signal processor, including control direction indicator: 1) internal preset device, the device can produce any direction preset) automatic energy conversion device:
d) adjustment device
requires the indicator's data mode conversion device: the door indication deviation from the preset and the electrical complaint report and transmission atmosphere device; only) the steering path:
1.? Function
4.2.1 The delay control instrument shall be able to realize automatic or follow-up, manual control mode and their corresponding conversion, and have corresponding symbols and camera mode display. When changing the mode, it shall be possible to do so in any position and only one or two manual control actions shall be required within 15 days.
4.2.2 The combined sounding device shall be able to automatically switch from the dynamic mode to the dynamic data flow mode under various conditions, including power failure. 4.2.3 The combined sounding device shall be able to automatically switch the operation mode and the sounding position at the same time. 4.2.4 The brightness of the combined sounding device shall be adjustable. 1.2.5 The number of combined energy instrument detection and adjustment switches should be as small as possible to prevent improper operation. 4.2.6 The detection time of the combined energy instrument should be consistent with the indication time of the indicator: 4.2.7 The combined energy instrument should have appropriate adjustment control to prevent the impact of changes in system performance due to weather conditions. 4.2.8 The combined energy instrument should only have sound and light alarm functions to display power failure, motor overload, phase failure and heading deviation. When the equipment receives the signal from the hydraulic system of the energy machine, the alarm will be automatically sounded and lighted. The equipment should meet the following requirements:
a) It has a battery power supply:
1) It has a power failure warning light, and the light should not go out before the failure is eliminated:) The light used for fault alarm is generally red. Yellow can be used for fault warning. 1.3 Items
43.1 Rotation range
The rotation range of the combined instrument is 35° on the left and right, and an angle limiter is set. In the automatic operation mode, the position of the panel can be checked and determined.
4.3.2 Accuracy of scale of single repeater
In each control cabinet, if an angle repeater is provided, the scale division value of the repeater dial shall not be greater than 1\. 4.3.3 Accuracy of indication of angle belt indicator
The indication deviation of the direction indicator shall be greater than 3.1.34 Accuracy of scale of double repeater
In each control cabinet, if an angle repeater is provided, the scale division value of the repeater dial shall not be greater than 1\. 4.3.5 Power supply
The deviation of the AC power supply from the rated value is 110%: bzxZ.net
The deviation of the rated voltage is 1%:
The voltage is related to the rated value:
Daily power grid supply
—2%
Battery supply 130%
4.3.6 Infection rate
GR/T1877—1999
4.3.6.1 The combined energy-saving power supply shall not be less than 1°. 4.3.6.2 The combined energy-saving power supply shall not be less than 1°. 4.3.7 The transmission angle shall not be less than 1°. 4.3.9 The speed of rotation is 2.5/s~5.0/h. Under the condition of fast following, the maximum value of the difference between the direction of rotation and the direction of rotation should not be greater than 11, and the maximum unilateral deviation should not be greater than 1.5°. 4.3.11 The deviation between the two values should be less than 2 and at least within the range of 1~1. 4.4 Dimensionality of the horizontal direction adjustment should not exceed 3min. 4.5 H alignment standard. The instrument should have no special features. 4.6: The appearance of the instrument should be smooth. Adding layer method, material cracking, deformation of parts, and rust. 4. The digital input device and its adjacent equipment shall comply with the requirements of C113-1, 4.8 Waterproof installation, the instrument for energy testing shall comply with the requirements of GB/15358-1954 Class B equipment. The instrument shall comply with the requirements of T/T15568-1994 Class X equipment. Water should not enter the parts that can cause ignition. 4.9 Damage parts 4.9.1 Wet egg tt|| The temperature of the instrument installed in the cockpit and the energy cabin changes from 15.55 to 15.55. When the temperature of the instrument changes from 1% to 2 (in the open air, it should meet the requirements of 4.3, 5: 4.9.2 phase humidity
group will maintain the energy meter temperature is soil 2C: accuracy is 63±), should meet the requirements of 4.3.5 and 6 system: the power supply end to the battery insulation resistance should be not less than 1M
containing the probe double fast inclination ±15 lead inclination ±3\ shake ±2\, month period 1Va±1s: number selection = 1 (\ 1 use period 69±15 winter conditions, should meet the requirements of 4.3.6. ||tt| |4.9.4 Vibration
The combined energy measuring instrument shall meet the requirements of 1.3.6 only under the conditions of 5--12.5H2 alarm ±1.63m frequency 12.5--2Iz system 1.3 frequency -50H2, vibration ±C.02m. 3
4.9.5 Salt customers and depositors
GB/T118771999
Combined energy measuring instrument or heart B1581: When the test is carried out according to the provisions of 1.4, the visible phenomenon should be replaced; when the test is carried out according to the provisions of 4.4.11 in R/15863-1594, there should be no excessive corrosion on the surface of the zero array. 4.10 Safety
4.10.1 When the DC or AC voltage (except RF capacitors) of the combined energy meter drops by more than 55V, it should be proved that when the protective device is removed, the conductive parts are automatically disconnected, or can only be accessed by engineers such as insulators, and there should be a temporary mark inside the instrument. 1.1 Machine? The metal outer surface of each instrument should have a 4-roll point and a clear product mark. 4.10.3 The combined energy meter should have a protection against overload, overheating and relative humidity, and external reverse or phase mismatch:
4. 11.1 Disturbance
4.11. The conduction dry heat
instrument shall comply with the requirements of Table 2 of GB/T15k8-13. 4.11.2 The radiation half-value of the vehicle within the range of 156--165M shall not exceed 300V/m4.12 The susceptibility to electric field
When the combined transducer is tested in accordance with the provisions of Appendix A of GB/T1586H-150, the bottom shall comply with the requirements of 4.3.5. 4.13 The power generated by the combined performance working state shall not exceed the final value of B. 4.11 Safety distance The distance between the center of the magnetic field and the shell of the combined transducer shall not be less than 4.15 Insulation dielectric strength Under normal atmospheric conditions, the combined transducer shall only be subjected to the following insulation dielectric strength test for 1 mi without internal flash phenomenon such as shock. When the rated voltage is less than or equal to V, the test voltage is 50 V. When the rated voltage is greater than V, the test voltage is ? V. The test frequency can be between 13--2Hz. 4.16 Insulation resistance Under normal atmospheric conditions: The thermal resistance of the combined transducer system shall not be low 2M continuous current in the dangerous state (Technical regulations of the product). The cold resistance of the instrument end should not be greater than 10M. 4.17 The gyro compass should comply with the provisions of GB/T4300 5 Test method 5.1 The gyro compass should be moved. After the gyro compass is stable, the test should be carried out 5.1.7 The power supply head in the starting box should be disconnected. The result should be in accordance with the requirements of 2. 5.1.2 When the system is working in the condition of the load-carrying unit, the heat-reducing relay in the system should be small. The load current should be in accordance with the requirements of 4.2.3. When the combination is in the loss position, disconnect one phase of the pump motor. The results shall comply with the requirements of 4.2.5. 5.1.4
GR/T11877—1999
When the combination instrument is in the state of self-operation, the rotation direction should be changed to the specified state: the drilling should meet the requirements of 3. Medicine cost.
5.1-5 Decompression
When the combination probe is in the working state, the oil sensor should send out an error signal. The results shall comply with the requirements of 1.2.5. 5.1.6 Micro-symptoms
When the combination probe is in the working state: the low position sensor should send out a signal. The results shall comply with the requirements of 4.2.≤. 5.2 Power supply change
After the start trap is determined, the power supply change test should be carried out according to the provisions of GT15 81995.3.1. The result is in accordance with the requirements of 4.3.=English. The compass should meet the requirements of 6435-194+3.4.5.3 Longitudinal
5.3. "Select the longitudinal sensitivity of the combined control instrument. Start the compass. Wait for the compass to be set. After the number is increased and the system efficiency is 1, under high recording, the heading simulation is turned (or the direction is simulated). The direction signal is stopped. The straight car corrects the direction of the operation. Then the heading simulation is recorded. Then the heading is recorded and the heading is estimated. The difference between the two headings is one tenth of the difference between the two headings, which is the automatic longitudinal sensitivity. The test result meets the requirements of 1.3.6.1. 5.3. 2 Follow-up operation recording sensitivity
The group will be operated in the follow-up working state, and occasionally turn the light combat group until the combined energy receiving element or operation is extended, and then turn the energy wheel or knob until the combined energy receiving element moves in the same way: the reverse rotation of the worm wheel or the knob indicates one part of the energy angle value... This is the follow-up recording [
The test results should meet the requirements of 1.2.6.2
5.4 Tracking accuracy
The combined operation range is only in the follow-up or operation state. When the energy wheel (or knob) is turned, 0°, 5°, 10°, +20°+39°, the energy wheel must be in the above position. The test results should meet the requirements of 4.3.7.
5.5 Energy angle band indication difference | |tt||When the combined instrument is in operation, the gyro (or gyro) gives 0″+5°, -10°, +20°, +3°, and observe the difference between the gyro (or gyro needle) indicated value and the actual rudder angle when it is in the above position. The test should meet the requirements of 4.3.3.
5.6 Rotation speed
Rotation speed, measure and record the time required for the rudder blade to rotate continuously from one to 32 degrees, take the deflection of the calculated time twice and remove the residual value of the blade rotation, the quotient is the rotation speed test value. The result is in accordance with the requirements of 4.3.
5.7 Time stability
Automatic gyro explosion. After the gyro is zero stable, it is carried out regardless of the type of the subsequent ship. The test is carried out according to the following formula: L/V- 30
In: K;
V.m/s.
After the lifting instrument is closed, the automatic time of the engine shall be maintained without disturbance. The test shall comply with the requirements of 3.1G.
5.8 Waterproof
The waterproof test shall be carried out in accordance with GB/T 188-144-8.16. The test results shall comply with the requirements of 4.5. 5.9 Environmental test
GB/T 17677-:999
Start the engine immediately, and after the engine is stable, carry out the tests of 5.1~5.9.5. 5. 9.1 High-yield test shall be carried out in accordance with the provisions of 4.4-2 of GB/T 3/1586-1994. The test results shall meet the requirements of 4.5.1, the cavity frequency fork shall meet the requirements of 3. of GB/T 430-194, and 5.9.2 Low-temperature test technology shall be carried out in accordance with 1.1.1 of GB/T 15.38-1591. The test results shall meet the requirements of 4.9.1. The test results shall meet the requirements of 3. of GB/T 4C0-1994. 5.9.3 The thermal test shall be carried out in accordance with the thermal state of 4.4.3.1 of GB/T 115868-1991. The test station shall meet the requirements of 4.5.2, and the course shall meet the requirements of GB/T 3001913.1.
5.9.4 Pigment compensation
Test each instrument in the combined instrument according to the actual installation method, install one, two or all of them on the test bench, make the combined instrument in dynamic working state,
Incline test is carried out at a horizontal tilt of 15°, slow speed of 1°C: each work for 13mia, the test results should meet the requirements of 1., 3, according to the requirements of 2°C+2°, cycle 10s-1%: at +1°C±1, cycle 63-1*. Each test is carried out for 25mim. The test results are in accordance with the requirements of 4.9.3. The end accumulation should meet the requirements of CB/T430G-99:1. 5.9.5 The dynamic
system or test effect is carried out in accordance with the provisions of 1.1 in 6B/158681331. The test results shall meet the requirements of 1. The test results shall meet the requirements of B/T130-143.4. 5.9.6.1. The test results shall meet the requirements of GB/538154. 5.9.6.2. The salt spray test shall be conducted in accordance with the provisions of 4.4.1 of H/1368-1594: the test results shall meet the requirements of 45.5. 5.10. Start the gyro compass and conduct the test after the gyro compass is stable. 5. 10. 1. The test result shall meet the requirements of 4.5.3 of GI1/15868-194. The test result shall meet the requirements of 4.11. The test result shall meet the requirements of 2.7 of G/T41C3-1491. 5.10.2. The radiation test shall be conducted in accordance with the provisions of BT18-4.5. The test results shall meet the requirements of 2.7 of 63/43194. 5.1 Adaptation to the magnetic environment Start the compass and after the frequency is determined, conduct an adaptation test to the electromagnetic field in accordance with the provisions of Appendix A of GB/T115866-1994. The test results shall meet the requirements of 4.2. The compass shall meet the requirements of 3. in GB/T4300-1994. 5.12 Start the compass and after the frequency is determined, conduct a test in accordance with the provisions of 1.5.7 in GB/T15HG--1901. The test results shall meet the requirements of 4.2. 4.15 requirements. The frequency-trapped dual-compass seat shall comply with the requirements of 2. in GB/4300191. 5.13 Safety distance
The distance between the standard magnetic compass and the optional magnetic compass shall comply with the provisions of S.2 in CH/206…_923. After the combined energy detector is installed, the angle difference displayed by the compass should not exceed 5°. When the combined energy detector is turned off or powered off, the angle difference displayed by the magnetic compass should not exceed 1°. 5.141 Paint-containing monthly operation
CR/T 11877—1999
The frequency of the source in the test is any frequency between 1562H, and the power is not less than 51VA. After the bypass circuit of the micro-test instrument, the rectifier, the long-terminal and other low-voltage components and the main terminal are disconnected, all the load-bearing system frequency points are connected with a special conductor, and a 250V voltage is applied between the load and the complete body, and then the speed is opened at 107V. The rated voltage of the device is raised by 2cV or the same as the rated voltage, and the voltage is returned to uin. This value is kept at a constant speed of 25. The test source should meet the requirements of 4.15.
5.15
After the insulation strength test, all the current parts of the conductors are connected to the insulation of the single or the current part of the body. When the rated voltage is higher than 65V, the megohmmeter voltage is 2 times the rated voltage. When the rated voltage is higher than 25V, the megohmmeter voltage is 1000V. When the rated voltage is higher than 560V, the megohmmeter voltage is 2000V. The test results shall comply with the requirements of 1.16. The test shall comply with the requirements of 2.13 in GB/T43001334. 5.16 The test of the double-network compass shall be carried out in accordance with the items specified in Table 2 and Table 43001294. 5.17 When the combined sample steering instrument and the ship's navigation system are being numerically tested, the reading of the combined steering instrument shall be consistent with that of the navigation system. 6 Inspection plan Inspection of combined steering instrument 6.1 Inspection and acceptance 6.1.1 Inspection and acceptance shall be carried out in one of the following cases. a) New product trial production is signed or approved; b) When the change of design, core or material consumption is enough to affect the performance; when normal production is stopped, it shall be carried out in accordance with the regulations of the local authorities. 6.1.2 The inspection and acceptance items shall be in accordance with the provisions of Table 1. The inspection and acceptance of the product shall be in accordance with the provisions of GB/T43301-91 and the inspection and acceptance of the product shall be in accordance with the provisions of GB/T43301-91. 2 -. 1.2.2. 1.2 3.
-1 2 1. 1. 2. 3. 4. 2. 5,
4 2. 7. 1. 3. 1. 4. 3. 2,
4. 3. 3, 4. 3. 4, 4. 3. 11,
74. 4.5, 4.6, +. 10
This test method
plan and
monitor
a test item called
environmental and
safety and
commercial
reverse
dielectric
energy
resistance
effective
note||GH/T11R77—1999
Table 1 (end)
"Independent source items", "\Independent items"; \\Independent items. E.1.3 Sampling and test results Results handling
Equipment location
Inspection method
From the factory inspection record, it is recommended to: take any item from the standard inspection. If any item fails during the test, find out the cause. After eliminating the fault, re-test the item and the related tests. After the test is successful, conduct the other planned tests: If the fault cannot be eliminated, then draw out 1 times the number of combined instruments, re-test the item and the equipment-related tests. After passing the test, draw out one of the combined instruments for other tests. If there are still items that do not meet the requirements, the test will be finally signed. 6.2
6.2.1 Factory inspection shall be carried out according to the items specified in Table 1, and the factory inspection shall be carried out according to the items specified in Table 2 of GB/T43U1994.
6.2.2 After the combined instrument is manufactured, the inspection department shall inspect and diagnose the product. The product shall be accompanied by a certificate of qualification.
Each column of the combined instrument shall have the name plate of the instrument.
The instrument shall have a "nameplate. Installation" standard or near the compass. The instrument shall have a plate indicating the minimum safe distance from the compass. The sign shall comply with the provisions of C4. The packaging should comply with the provisions of GB/T996S.1, the packaging label should comply with the provisions of GB191GETC3RS8, the transportation and storage and purchase operations should comply with the packaging list, and the storage and distribution of the package should comply with the provisions of (T1033).15. After the insulation dielectric strength test of all the combined devices has been passed, all the conducting wires of each part shall be connected well, and the insulation resistance of the single or combined device shall be better than that of the whole part. When the rated voltage is higher than 65V, the megohmmeter voltage is 2 times the rated voltage. When the rated voltage is higher than 25V, the megohmmeter voltage is 1000V. When the rated voltage is higher than 560V, the megohmmeter voltage is 2000V. The test results shall comply with the requirements of 1.16. The test shall comply with the requirements of 2.13 in GB/T43001334. 5.16 The test of the double-network compass shall be carried out in accordance with the items specified in Table 2 and Table 43001294. 5.17 When the combined sample steering instrument and the ship's navigation system are being numerically tested, the reading of the combined steering instrument shall be consistent with that of the navigation system. 6 Inspection plan Inspection of combined steering instrument 6.1 Inspection and acceptance 6.1.1 Inspection and acceptance shall be carried out in one of the following cases. a) New product trial production is signed or approved; b) When the change of design, core or material consumption is enough to affect the performance; when normal production is stopped, it shall be carried out in accordance with the regulations of the local authorities. 6.1.2 The inspection and acceptance items shall be in accordance with the provisions of Table 1. The inspection and acceptance of the product shall be in accordance with the provisions of GB/T43301-91 and the inspection and acceptance of the product shall be in accordance with the provisions of GB/T43301-91. 2 -. 1.2.2. 1.2 3.
-1 2 1. 1. 2. 3. 4. 2. 5,
4 2. 7. 1. 3. 1. 4. 3. 2,
4. 3. 3, 4. 3. 4, 4. 3. 11,
74. 4.5, 4.6, +. 10
This test method
plan and
monitor
a test item called
environmental and
safety and
commercial
reverse
dielectric
energy
resistance
effective
note||GH/T11R77—1999
Table 1 (end)
"Independent source items", "\Independent items"; \\Independent items. E.1.3 Sampling and test results Results handling
Equipment location
Inspection method
From the factory inspection record, it is recommended to: take any item from the standard inspection. If any item fails during the test, find out the cause. After eliminating the fault, re-test the item and the related tests. After the test is successful, conduct the other planned tests: If the fault cannot be eliminated, then draw out 1 times the number of combined instruments, re-test the item and the equipment-related tests. After passing the test, draw out one of the combined instruments for other tests. If there are still items that do not meet the requirements, the test will be finally signed. 6.2
6.2.1 Factory inspection shall be carried out according to the items specified in Table 1, and the factory inspection shall be carried out according to the items specified in Table 2 of GB/T43U1994.
6.2.2 After the combined instrument is manufactured, the inspection department shall inspect and diagnose the product. The product shall be accompanied by a certificate of qualification.
Each column of the combined instrument shall have the name plate of the instrument.
The instrument shall have a "nameplate. Installation" standard or near the compass. The instrument shall have a plate indicating the minimum safe distance from the compass. The sign shall comply with the provisions of C4. The packaging should comply with the provisions of GB/T996S.1, the packaging label should comply with the provisions of GB191GETC3RS8, the transportation and storage and purchase operations should comply with the packaging list, and the storage and distribution of the package should comply with the provisions of (T1033).15. After the insulation dielectric strength test of all the combined devices has been passed, all the conducting wires of each part shall be connected well, and the insulation resistance of the single or combined device shall be better than that of the whole part. When the rated voltage is higher than 65V, the megohmmeter voltage is 2 times the rated voltage. When the rated voltage is higher than 25V, the megohmmeter voltage is 1000V. When the rated voltage is higher than 560V, the megohmmeter voltage is 2000V. The test results shall comply with the requirements of 1.16. The test shall comply with the requirements of 2.13 in GB/T43001334. 5.16 The test of the double-network compass shall be carried out in accordance with the items specified in Table 2 and Table 43001294. 5.17 When the combined sample steering instrument and the ship's navigation system are being numerically tested, the reading of the combined steering instrument shall be consistent with that of the navigation system. 6 Inspection plan Inspection of combined steering instrument 6.1 Inspection and acceptance 6.1.1 Inspection and acceptance shall be carried out in one of the following cases. a) New product trial production is signed or approved; b) When the change of design, core or material consumption is enough to affect the performance; when normal production is stopped, it shall be carried out in accordance with the regulations of the local authorities. 6.1.2 The inspection and acceptance items shall be in accordance with the provisions of Table 1. The inspection and acceptance of the product shall be in accordance with the provisions of GB/T43301-91 and the inspection and acceptance of the product shall be in accordance with the provisions of GB/T43301-91. 2 -. 1.2.2. 1.2 3.
-1 2 1. 1. 2. 3. 4. 2. 5,
4 2. 7. 1. 3. 1. 4. 3. 2,
4. 3. 3, 4. 3. 4, 4. 3. 11,
74. 4.5, 4.6, +. 10
This test method
plan and
monitor
a test item called
environmental and
safety and
commercial
reverse
dielectric
energy
resistance
effective
note||GH/T11R77—1999
Table 1 (end)
"Independent source items", "\Independent items"; \\Independent items. E.1.3 Sampling and test results Results handling
Equipment location
Inspection method
From the factory inspection record, it is recommended to: take any item from the standard inspection. If any item fails during the test, find out the cause. After eliminating the fault, re-test the item and the related tests. After the test is successful, conduct the other planned tests: If the fault cannot be eliminated, then draw out 1 times the number of combined instruments, re-test the item and the equipment-related tests. After passing the test, draw out one of the combined instruments for other tests. If there are still items that do not meet the requirements, the test will be finally signed. 6.2
6.2.1 Factory inspection shall be carried out according to the items specified in Table 1, and the factory inspection shall be carried out according to the items specified in Table 2 of GB/T43U1994.
6.2.2 After the combined instrument is manufactured, the inspection department shall inspect and diagnose the product. The product shall be accompanied by a certificate of qualification.
Each column of the combined instrument shall have the name plate of the instrument.
The instrument shall have a "nameplate. Installation" standard or near the compass. The instrument shall have a plate indicating the minimum safe distance from the compass. The sign shall comply with the provisions of C4. The packaging should comply with the provisions of GB/T996S.1, the packaging label should comply with the provisions of GB191GETC3RS8, the transportation and storage and purchase operations should comply with the packaging list, and the storage and distribution of the package should comply with the provisions of (T1033).
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.