Some standard content:
UDC621.32:629.12
U63
National Standard of the People's Republic of China
GB12045—89
Technical conditions for marine explosion-proof lights
Marine explosion-proof light- Specification1989-12-29 Released
State Bureau of Technical Supervision
Implemented on 1990-07-01
Released
National Standard of the People's Republic of China
Marine Explosion-proof Lights Technical conditions
Marine explosion-proof lightSpecification subject content and scope of application
GB12045-89
This standard specifies the classification, technical requirements, test methods, inspection rules and markings of marine explosion-proof lights , packaging, transportation, storage, etc. This standard applies to explosion-proof and increased-safety explosion-proof lamps (hereinafter referred to as explosion-proof) installed in cabins that may produce or accumulate explosive gas mixtures, with rated voltages below 250V and using incandescent lamps, fluorescent lamps, and self-rectifying high-pressure mercury lamps as light sources. lamp). 2 Reference standards
GB531-83 Rubber Shore A hardness test method GB1444-78
Spiral explosion-proof lamp holder
GB2900.35--83 Electrical terminology Explosion-proof for explosive environments Electrical equipment General requirements for explosion-proof electrical equipment for explosive environments GB3836.1-83
Explosion-proof electrical equipment for explosive environments Flameproof electrical equipment "d" GB3836.2-83
Increased safety electrical equipment\ e”
GB3836.3-83 Explosion-proof electrical equipment for explosive environments GB4208-84
GB9720-88
Classification of shell protection levels
General technical conditions for marine fluorescent lamps| |tt||Test Db: alternating damp heat
CB1146.5—85 Marine Equipment Environmental Test Method Marine Equipment Environmental Test Method
CB1146.9—85
CB 1146.1185||tt ||CB 1146.12-85
CB 1146.1385
JB2759—80
3 terms
Environmental test method for ship equipment
Environmental test method for ship equipment|| tt||Test Fc: Vibration
Test J: Mold growth
Test Ka: Salt spray
Environmental test method for marine equipment
General technical conditions for mechanical and electrical product packaging|| tt||Test Kb: alternating salt spray
The terms used in this standard are in accordance with the provisions of GB2900.35. 4 Classification
4.1 Structure
4.1.1 Divided according to explosion-proof type. Explosion-proof type "d\" and increased safety type "e\. 4.1.2 According to the light source, it is divided into incandescent lamp F, fluorescent lamp YE, and self-rectifying high-pressure mercury lamp GF. 4.2 Model and marking
4.2.1 Explosion-proof lamp. Model example:
State Bureau of Technical Supervision approved on 1989-12-29 for implementation on 1990-07-01
1
GB12045—89
-power, w||tt ||Voltage, V
See 4.1.2 for light source
See 4.1.1 for explosion-proof type
4.2.2 Marking example:
8. The rated voltage is 110V , explosion-proof incandescent explosion-proof lamp with a power of 60W, marked as: explosion-proof lamp dF110-60GB12045-89;
Rated voltage is 220V, power is 30W increased safety double-tube fluorescent lamp explosion-proof lamp, marked as: b.
Explosion-proof lamp eYF220-2X30GB12045-89.5 Technical requirements
5.1 General requirements
5.1.1 In addition to complying with the requirements of this standard, explosion-proof lamps shall also comply with GB3836.1~ 3836.3. 5.1.2 Environmental conditions
5.1.2.1 Explosion-proof lamps should be able to operate normally under the following ambient air temperatures: a. Incandescent lamps are -25~+50℃;
b .Fluorescent lamp is 10~45C.
5.1.2.2 Explosion-proof lamps should be able to work normally within the range of the power supply voltage changing from -10% to +10.6% of the rated voltage and the frequency changing by +5% of the rated frequency.
5.1.2.3 The insulation resistance of explosion-proof lamps under normal test atmospheric conditions should comply with the requirements in Table 1. Table 1
Rated insulation voltage
V
≤65
>65
Megohmmeter voltage level
V||tt| |250
500
insulation resistance
M
>10
≥>100
5.1.2.4 Conductive parts of explosion-proof lamps The dielectric strength of the insulation between the space and the surface should be subjected to the AC voltage test specified below for 1 minute under normal atmospheric conditions. There should be no breakdown or flashover. a.
b.
When the rated voltage is less than or equal to 60V, the test voltage is 1000V; when the rated voltage is 60~300V, the test voltage is 2000V. 5.1.2.5 Explosion-proof lamps should be moisture-resistant and should meet the following requirements after two-cycle alternating heat and humidity tests at 55 ± 2°C: Insulation resistance: When the rated voltage is less than or equal to 65V, it should be no less than 1MS. When the rated voltage is greater than 65V, it should be Not less than a.
10M;
b.
2
The insulation strength of explosion-proof lamps shall withstand the dielectric strength test voltage specified in Table 2 for 1 min. There should be no breakdown or flashover; Table 2
V
rated voltage
<60
60~300
test voltage||tt| |750
1-500
GB1204589
c. The paint layer must not fall off, and the electroplated parts must not be rusted or spotted. 5.1.2.6 The electrical gaps and creepage distances between conductive parts of different potentials in explosion-proof lamps shall comply with the provisions of Chapters 5 and 6 of GB3836.3.
5.1.2.7 The shell of explosion-proof lamps should have protective properties. The protection level of explosion-proof lamps for indoor use should not be lower than IP44; the protection level of explosion-proof lamps for outdoor use should not be lower than IP56.
5.1.2.8 Explosion-proof lamps should have vibration resistance. After vibration tests in three mutually perpendicular directions: vertical, horizontal, and longitudinal, the components should not loosen, break, or deform, and the electrical properties should not change. The vibration test parameters are as follows: a.
b.
When the frequency range is 2~13.2Hz, the displacement amplitude is ±1.0mm; when the frequency range is 13.2~80Hz, the acceleration amplitude is 7m/s. 5.1.2.9 In addition to the good corrosion resistance of the material itself, all metal parts of explosion-proof lamps must also have a reliable protective layer. After its metal parts have been subjected to a 48-hour salt spray test and the entire outdoor lamp has been subjected to a 28-hour alternating day and night humidity and heat test, the results should comply with the requirements in Table 3. Table 3
Base metal
Steel
Steel
Copper, copper alloy
Copper, copper alloy
Plating
Copper-nickel-chromium
Mirror
Nichrome
Requirements
No white or gray-black corrosion on the main surface No brown rust on the main surface
Main surface No gray or light green corrosion. No light green corrosion on the main surface. Lower than the secondary requirements specified in CB1146.11.
5.1.2.11 Measures should be taken for fluorescent explosion-proof lamps to prevent electromagnetic interference with other electrical equipment. 5.1.3 Material requirements
5.1.3.1 The shell and other parts of explosion-proof lamps must be made of materials that are fully resistant to chemical, mechanical and other effects. The casing and protective net of portable explosion-proof lamps should be made of metal materials that will not produce dangerous sparks due to impact or falling, or be covered with safety materials. The shell material can also be light alloy or plastic. The light alloy shell must comply with the provisions of Chapter 8 of GB3836.1; the plastic shell must comply with the provisions of Chapter 7 of GB3836.1.
5.1.3.2 The leak mark resistance level of the insulation material used in explosion-proof lamps is level b in Appendix D of GB3836.3. 5.1.3.3. Explosion-proof lamp seals should be made of Shore A type rubber with a hardness of 45 to 55 degrees. The hardness change after the heat aging test shall not exceed 20% of that before the test.
5.1.3.4 The transparent cover of explosion-proof lamps should be made of tempered or hard glass and other materials that resist mechanical, thermal and chemical effects without affecting its optical performance. And it can withstand impact, drop and thermal drastic changes without damage; the light distribution curve of the lamp should be provided when the product leaves the factory. 5.1.4 Structural requirements
5.1.4.1 When the shell parts of explosion-proof lamps adopt a glue-sealed structure, measures must be taken for the glue-sealing process to ensure the mechanical strength of the glue-sealed part; the glue-sealed part is from the inner edge of the shell to The shortest sealing length of the outer edge: when the shell volume is not greater than 0.1L, it must be no less than 6.0mm; when the volume is greater than 0.1L, it must be no less than 10.0mm; after thermal stability testing, explosion-proof performance must still be guaranteed. 5.1.4.2 The outer shell of the explosion-proof lamp and the inner wall of the junction box should be coated with arc-resistant paint. 5.1.4.3 The fasteners (bolts and nuts) of explosion-proof lamps must be equipped with anti-loosening devices (double nuts, spring washers, etc.). The specific requirements should comply with the provisions of Chapter 9 of GB3836.1.
5.1.4.4 The distance between the bulb and the transparent cover of the explosion-proof lamp shall comply with the following requirements: a. The distance between the incandescent bulb and the transparent cover shall comply with the requirements in Table 4; 3
b.
Bulb power
w
100
>100~200
>200~500
>500
GB12045—89||tt ||Table 4
The minimum distance between the fluorescent tube and the transparent cover is 3mm; the minimum distance between the fluorescent bulb and the transparent cover is 5mm. Spacing
mm
5
10
20
30
Explosion-proof lamps must be equipped with a metal protective net and reliably fixed to the shell. Mesh area and mesh size: Incandescent lamps should comply with the requirements in Table 5; 5.1.4.5
Straight tube fluorescent lamps should comply with the requirements in Table 6.
Table 5
Lamp power
w
≤100
>100~200
>200
Mesh Maximum area
mma
3000
4500
6000
Note: The mesh area of ??the portable explosion-proof light must not be larger than 2000mm2 mesh size || tt||Protection net shape
Plane shape
Tube shape
mm2
6000
3500
Round shape
04
e5
Table 6
round
e5
$4
The distance between the explosion-proof lamp metal protection net and the transparent cover should comply with Table 7 specifies. 5.1.4.6
Table 7
Types of lamps
Incandescent lamps
Fluorescent lamps
Self-rectified high-pressure mercury lamps
Portable| |tt||Mesh size, mm
Plate shape
Thickness
2
2.5
Mesh size, mm
, Thick
2.5
2
space
plate shape
distance
>5
>10||tt| |≥7
width
8
width
8
6
mm
5.1.4.7 Explosion-proof light cable and wire entry devices shall comply with the provisions of Chapter 14 of GB3836.1. Connectors and terminal blocks should have sufficient mechanical strength and ensure reliable connection. Although affected by temperature changes, vibration, etc., poor contact should not occur. The temperature rise of the terminals in the junction box must not exceed 40°C. 5.1.4.8 The line inlet cavity and the light source cavity of the explosion-proof lamp must be separated by a reflector or other heat insulation measures. 5.1.4.9 The maximum allowable surface temperature of the explosion-proof lamp shall comply with the requirements for Class II electrical appliances in Chapter 4 of GB3836.1. regulations made by the device. 5.1.5 Safety requirements
5.1.5.1 The metal shell and junction box of fixed explosion-proof lamps must be equipped with external grounding bolts; the inside of the junction box must be equipped with dedicated internal grounding screws 4
GB12045- 89
bolts, and all must be marked with the grounding symbol "↓". The diameter of the grounding bolt shall comply with the provisions of Articles 15.4 and 15.5 of GB3836.1. 5.1.5.2 Explosion-proof lamps should be equipped with an interlocking device that allows the transparent cover to be opened only after the power is disconnected. If bolts are used for fastening, a red warning sign saying "Open the cover after cutting off the power supply" must be placed at the opening area.
5.1.5.3 The cooperation between the lamp holder and the lamp holder of explosion-proof lamps should be safe and reliable, and should comply with the regulations of GB1444. The connector connected to the socket of the lamp holder should be marked with the symbol "0".
5.2 Supplementary requirements for explosion-proof explosion-proof lamps
5.2.1 The shell of explosion-proof lamps is divided into two cavities: the main shell and the junction box. The strength of its shell should be able to withstand dynamic and static strength tests without damage or deformation that affects the flameproof performance. 5.2.2 The flameproof structure, glue sealing structure or sealing structure can be used between the junction box cavity and the main cavity of the explosion-proof lamp. Its requirements should comply with the provisions of Chapter 13 of GB3836.2.
5.2.3 The explosion-proof structure of explosion-proof lamps, such as the explosion-proof joint surfaces of relevant parts of the casing, junction box, pressure ring, and terminal block, shall adopt plane, stop, cylinder and other joint surfaces. The parameters of the maximum gap or diameter difference W of the joint surface, the minimum effective length L, and the minimum effective length L from the edge of the threaded hole to the edge of the joint surface should comply with the provisions of Chapter 6 of GB3836.2. 5.2.4 The roughness of the explosion-proof joint surface of the explosion-proof lamp shall not be less than 6.3 μm; but the roughness of the explosion-proof joint surface mated with the joystick shall not be less than 3.2 μm
5.2.5|| tt||5.2.6
5.2.7
The explosion-proof joint surfaces of dry-proof lamps should have anti-rust measures, but paint is not allowed. The threaded explosion-proof structure of explosion-proof lamps should comply with the requirements of Class II electrical equipment in Article 6.2 of GB3836.1. The transparent cover of explosion-proof lamps and the shell should not be fixed with a threaded structure, but can be directly glued and fixed with the shell. The glue sealing requirements should comply with the provisions of Chapter 8 and Chapter 9 of GB3836.2. The fastening of explosion-proof lamps shall comply with the following provisions 5.2.8
a. Bolts and nuts are not allowed to be made of plastic or light alloy materials; after tightening bolts and opaque screw holes, there must be a gap larger than that required to prevent loosening. A margin of 2 times the thickness of the washer; b.
c.
The thickness around and at the bottom of the impermeable screw hole on the shell should not be less than one-third of the diameter of the bolt, but at least 3.0mm. The cables and wires of dry-type lamps should be introduced indirectly, but cold-start fluorescent lamps can be introduced directly. 5.2.9
5.3 Supplementary requirements for increased safety explosion-proof lamps
5.3.1 The introduction and connection of cables or wires for increased safety lamps shall comply with the provisions of Chapter 3 and Chapter 4 of GB3836.3. 5.3.2 The solid insulating material of the increased safety lamp should be made of materials with low moisture absorption, good arc resistance, non-combustible or flame-retardant, and strong heat resistance. The operating temperature should be at least 20℃ higher than the continuous rated operating temperature of the electrical equipment ( But not lower than +80℃), it should still have good mechanical strength.
5.3.3 The light sources allowed for increased safety lamps powered by the feed network: a. Fluorescent lamps with a single plug and no starter; b. General purpose incandescent lamps;
c. Self-rectifying high-pressure mercury lamp.
5.3.4 Increased safety lamp holders can be made of metal or non-metal. The matching part of the lamp holder and the lamp cap should be installed in a separate explosion-proof cavity, and the explosion-proof cavity must comply with the requirements of Article 5.2.3 of this standard. The spiral bulb must prevent automatic loosening in the lamp holder, and the lamp holder must withstand the screw-in and screw-out tests specified in Article 6.20 | If the ignition temperature of the explosive mixture measured in the ignition test inside the lamp is at least 50°C lower, the temperature of the bulb inside the lamp can exceed the maximum surface temperature requirement. 5.3.6 The temperature of the edge of the lamp holder and the welding part of the bulb must not exceed 195°C. However, the maximum surface temperature regulations should be met. 5.3.73
The ballast of fluorescent lamps should be able to withstand the rectification effect caused by the aging of the lamp tube (bulb). 5
6 Test methods
6.1 Appearance inspection and material inspection
GB12045-89
The appearance inspection of explosion-proof lamps can be carried out by appearance method and measuring tools. Existing materials The materials of the inspection order are exempt from testing during the validity period of the inspection order.
6.2 Ambient temperature test
The ambient temperature test is divided into two types: low temperature test and high temperature test. 6.2.1 Low-temperature test
The low-temperature test is to place the explosion-proof lamp in the low-temperature box (room), and reduce the temperature of the test box (room) to the specified level at an average temperature change rate of 0.7~1°C/min. value, keep it for 2 hours, turn on the power and check whether the explosion-proof lamp is working normally. Then gradually rise to normal atmospheric conditions (water droplets removed) at a cooling rate and recover.
6:2.2 High Temperature Test
After the low-temperature test is restored, the explosion-proof lamp is placed in the high-temperature box (room), and the test box (room) is heated at an average temperature change rate of 0.7~1C/min. (room) temperature rises to the specified value, maintains it for 2 hours, and then turns on the power to check whether the explosion-proof lamp works normally under high temperature conditions. 6.3 Power supply change test
The explosion-proof lamp should operate normally according to the power change state specified in Table 8 for 15 minutes each. Table 8
Voltage change
1
2
3
6.4 Insulation resistance test
+6
+6 Www.bzxZ.net
10
6.4.1 The voltage level of the megohmmeter used to measure insulation resistance shall comply with the provisions of Table 1. Frequency change
+5
-5
-5
%
6.4.2 The insulation resistance should be measured between live parts and at zero charged Between the component and the shell, the insulation resistance value should comply with the requirements in Table 1.
6.5 Insulation dielectric strength test
6.5.1 Test site 6.4.2.
6.5.2 According to the test voltage specified in Table 2, the power supply capacity shall not be less than 0.5kVA. During the test, the voltage should be gradually increased from less than 1/2 of the test voltage to the specified value, maintained for 1 minute, then dropped to zero, and the power supply should be cut off. 6.6 Damp heat test
The moisture resistance performance test of explosion-proof lamps is to place the explosion-proof lamp in the test box (room) according to the actual installation state, and then conduct it according to the CB1146.5 alternating damp heat test method. After the test, take the explosion-proof lamp out of the box and restore it under normal atmospheric conditions (you are allowed to wipe off the water stains on the surface of the anti-dry lamp by hand), and complete all performance tests within 30 minutes. For inspection, first check the insulation resistance according to the method in Article 6.4, and check the dielectric strength of the insulation according to the method in Article 6.5, and then conduct the appearance inspection. The results shall comply with the provisions of Article 5.1.2.5, 6.7 Protection Performance Test
Fix the explosion-proof lamp on the test frame in normal working condition, and conduct it in accordance with the provisions of Articles 6.4, 7.5, 6.5, and 7.6 of GB4208 respectively. There should be no harmful effects on the lamps after the test.
6.8 Vibration test
The vibration resistance performance of explosion-proof lamps shall be carried out according to the vibration test method specified in CB1146.9. Before the test, conduct a comprehensive inspection of the appearance and electrical performance of the explosion-proof lamp, and then fix the explosion-proof lamp on the vibration table according to the installation status of the actual ship (portable explosion-proof lamps can be fixed with appropriate straps). Connect the power supply and follow 5.1.2.8 The specified vibration parameters and the test method specified in Article 5.2 of CB1146.9 are carried out. During and after the test, the explosion-proof lamp should work normally, the parts should not be loose or deformed, and the appearance and electrical performance should be consistent with those before the test. 6 | | tt | 6.9.1 Metal parts shall be carried out according to the salt spray test method specified in CB1146.12. After 48 hours of testing, gently rinse the salt deposits on the surface of the sample with flowing clean water at room temperature, and then rinse in distilled water. Then check the corrosion and qualitative changes on the surface of the sample, which should comply with the requirements in Table 3 of this standard. Note: If the manufacturer has a salt spray test qualification report for metal parts, the test is exempted during the validity period. 6.9.2 The entire outdoor lamp shall be tested according to the alternating salt spray test method specified in CB1146.13. After the test, a comprehensive inspection of the lamps shall be carried out, and the results shall comply with the provisions of Table 3 of this standard.
6.10 Mold growth test
The mold resistance performance of insulating parts and painted parts of explosion-proof lamps shall be carried out according to the mold growth test method specified in CB1146.11. After the test, the degree and grade of bacterial growth should comply with Level 2 regulations. 6.11 Electromagnetic interference test
The electromagnetic interference test method and result evaluation of fluorescent explosion-proof lamps on other electrical equipment should comply with the regulations of GB9720. 6.12 Impact test
The impact test of the plastic shell and shell parts, light alloy shell, cast iron shell and transparent cover of explosion-proof lamps shall be carried out according to the impact test method 21.1 in GB3836.1. After the test, there shall be no deformation or damage that affects the explosion-proof performance. 6.13 Drop test
The mechanical resistance of portable explosion-proof lamps shall be carried out according to the drop test method specified in Article 21.2 of GB3836.1. After the test, there shall be no deformation or damage that affects the explosion-proof performance.
6.14 Rubber hardness and thermal aging test
The rubber seals used in explosion-proof lamps shall be subjected to hardness tests according to the hardness test method specified in GB531; thermal aging tests shall be conducted according to Chapter 29 of GB3836.1 , the results should comply with the provisions of Article 5.1.3.3 of this standard. 6.15 Thermal Stability Test
The thermal stability test of the plastic shell or shell parts, plastic gaskets, rubber seals, etc. used in explosion-proof lamps includes heat resistance test and cold resistance test. During the test, the sample is placed in the environment under the following conditions. The explosion-proof performance of the explosion-proof lamp shall not be affected after the test. a. Heat resistance test: When the maximum surface temperature of the explosion-proof lamp is less than or equal to 80℃, the test temperature must be higher than 20℃, the minimum is 80℃, the relative humidity is 90%, and the test time is 28d; when the maximum surface temperature When the temperature is greater than 80°C, the test is conducted in two stages. The first stage is carried out with the test temperature being 95±2°C, the relative humidity being 90%, and the time being 14 days. In the second stage, the test temperature is the maximum surface temperature plus 20°C, and the time is 14 days. b. Cold resistance test: The test temperature is the lowest surface temperature of the explosion-proof lamp minus 5~10℃, and the test time is 24 hours. 6.16 Thermal upheaval test
The thermal upheaval test for the transparent cover of explosion-proof lamp is to place the explosion-proof lamp in the highest ambient temperature, and energize the explosion-proof lamp with 0.9~1.1 times the rated voltage. After the temperature rise stabilizes (temperature change When the temperature does not exceed ±2°C per minute), use a special nozzle or electric pump with a diameter of 1mm to spray water with a temperature of ±10°C to the highest surface temperature of the transparent cover. Each transparent cover is tested only once, and a total of 5 are tested. If none of them is damaged, it is considered qualified. 6.17 Temperature test
6.17.1 Maximum surface temperature test: Fixed explosion-proof lamps are in normal working condition; portable explosion-proof lamps are in five categories: upward, downward, horizontal, upward tilt 45°, and downward tilt 45°. Put the state into a constant temperature box (room) at 50°C, and energize the explosion-proof lamp at 0.9~1.1 times the rated voltage value. After the temperature rise stabilizes, check the temperature of each part of the explosion-proof lamp. The maximum surface temperature measured must be Comply with the provisions of Article 24.1.4 in GB3836.1.
6.17.2 The maximum surface temperature can also be obtained indirectly by subtracting the measured maximum surface temperature from the measured ambient temperature plus the specified maximum ambient temperature.
6.17.3 Terminal temperature rise test is to open the explosion-proof lamp junction box cover, turn on the power, and after the temperature rise stabilizes, use a semiconductor point thermometer or mercury thermometer to measure the maximum temperature of the terminal minus The ambient temperature during actual measurement should not be higher than 40°C. 7 | | tt | | GB12045-89 |
6.18 Cable entry device test
The clamping test of the cable and wire entry device of the explosion-proof lamp shall be carried out in accordance with the provisions of Chapter 27 of GB3836.1; the sealing performance and mechanical strength test shall be carried out in accordance with Chapter 27 of GB3836.2 Chapter 21 provides for this. 6.19 Shell hydraulic pressure test
The hydraulic pressure test of the shell, junction box and pouring part of the transparent cover of explosion-proof explosion-proof lamps shall be carried out in accordance with the provisions of Appendix A in GB3836.2.
6.20 The screw-in and screw-out test of the lamp holder of the increased safety explosion-proof lamp in the lamp holder shall be carried out in accordance with the provisions of Article 17.3 of GB3836.3. 6.21 Structural strength and explosion-proof performance test
The structural strength and explosion-proof performance test of explosion-proof explosion-proof lamps shall be carried out by the nationally designated inspection unit in accordance with the provisions of Chapters 19 and 20 of GB3836.2.
7 Inspection Rules
Explosion-proof lamps must review the drawings and technical documents according to the inspection unit and inspection procedures specified by the country, and obtain the 7.1
"Explosion-proof Certificate" issued by the inspection unit. Can be produced.
7.2 Explosion-proof lamps must be sent to the nationally designated inspection unit and the State Ship Inspection Bureau for inspection and approval. The inspection procedures are in accordance with GB3836.1 in accordance with the provisions of Chapter 31.
7.3 Explosion-proof lamps must apply to the National Ship Inspection Bureau for batch inspection before leaving the factory. Products that have not been inspected and batch approved by the Ship Inspection Bureau are not allowed to leave the factory. 7.4 Type inspection, factory inspection items and sampling quantities shall be carried out in accordance with the provisions of Table 9. Table 9
Standard regulations
博
1
2
3
4
5
6
?
8
9
10
11
12
13
14| |tt||8
Appearance inspection and material inspection
Ambient temperature
Power supply changes
Insulation resistance
Dielectric strength
Moist heat
Protective performance
Vibration
Salt spray
Mold growth
Electromagnetic interference
Shock
Drop||tt| |Rubber hardness and thermal aging
Technical requirements
5.1.2.1
5.1. 2.2
5.1.2.3
5.1.2.4||tt| |5.1.2.5
5.1.2.7
5.1.2.8
5.1.2.9
5. 1.2.10
5.1.2.11||tt| |5.1.3.1
5.1.3.4
5.1.3.1
5.1.3.4
5.1.3.3
Inspection method
6.1| |tt||6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9||tt ||6. 10
6.11
6.12
6.13
6.14
Type inspection
3 sets
3 sets
3 sets
3 sets
3 sets
3 sets
3 sets
3 sets
Sampling quantity| |tt||Factory inspection
100%
100%
100%
Three pieces each (three sets)
Three pieces each||tt ||3 sets
three pieces each
3 sets
3 pieces
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