GB/T5170、 2-1996 Standard for Environmental Testing Equipment for Electrical and Electronic Products

1、 The purpose of the high and low temperature humidity test chamber is:
This equipment is mainly designed for adaptability testing of electrical and electronic products, plastic materials, paper printing, metals, raw components, and other materials during storage, transportation, and use in high temperature, low temperature, and humid environments. This testing equipment is mainly used to conduct environmental simulation tests on the physical and other related characteristics of products under low temperature, high temperature, high temperature and high humidity conditions according to standard requirements or user defined requirements. After testing, the performance of the product is judged through inspection to determine whether it still meets the predetermined requirements, in order to provide product design, improvement, identification and factory inspection.
2、 Structural characteristics of high and low temperature wet heat test chamber:
1. Inner wall: Imported SUS304 stainless steel
2. Shell: Cold rolled plate electrostatic spraying
3. Insulation material: hard polyurethane foam or ultra-fine glass wool, with good insulation performance and other characteristics
4. Sealing: Imported silicone sealing strip
5. Temperature and humidity control method: BTHC balance temperature and humidity control
6. Temperature and humidity regulator: Korean intelligent digital TIMI-880 controller
7. Heating: Stainless steel fin air heating
8. Humidification: Shallow groove steam humidification
9. Refrigerator: * Fully enclosed compressor, mechanical single-stage refrigeration or cascade low-temperature circuit system
10. Equipment water purifier
11. Automatic water inlet when powered on
12. Convection system: customized aluminum fan blades for air conditioning motors
13. Equipment operation timing function
14. A 450 × 300 × 40mm vacuum layer observation window is installed in the center of the box door, equipped with window lights
15. Fully automatic control and safety protection coordination system.
3、 This device is manufactured based on the following standards or a combination thereof:
GB 10589-89 Technical Conditions for Low Temperature Test Chamber
GB 10592-89 Technical Conditions for High and Low Temperature Test Chambers
GB10586-89 Technical Conditions for Damp Heat Test Chamber
GB 11158-89 Technical Conditions for High Temperature Test Chamber
GB/T5170、 2-1996 Basic parameter calibration method for environmental testing equipment of electrical and electronic products Temperature testing equipment
GB/T5170、 5-1996 Basic parameter calibration method for environmental testing equipment for electrical and electronic products - Damp heat testing equipment
GB2423、 1-89 Basic Test Procedures for Electrical and Electronic Products - Test A: Low Temperature Test Method
GB2423、 2-89 Basic Test Procedures for Electrical and Electronic Products - Test B: High Temperature Test Method
GB2423、 3-91 Basic Test Procedures for Electrical and Electronic Products - Test Ca: Constant Damp Heat Test Method
GB2424、 1-89 Basic Environmental Testing Procedures for Electrical and Electronic Products - Guidelines for High Temperature and Low Temperature Testing
4、 The main technical indicators of the high and low temperature wet heat test chamber are:
1. Temperature range: -70 ℃, -40 ℃, -20 ℃ to+150 ℃
2. Humidity range: 20% to 98% RH
3. Temperature fluctuation: ± 0.5 ℃
4. Temperature deviation: ≤ 2 ℃
5. Humidity deviation: ± 3% RH
6. Heating and cooling rate: 0, 6~1, 5 ℃/min
5、 Safety protection device for high and low temperature wet heat test chamber:
1. Power overload, control circuit overload, short circuit protection
2. Grounding protection, motor overload protection
3. Overtemperature protection
4. Compression overvoltage and overload protection
5. To protect the equipment, all alarms will automatically cut off the power and sound a warning.