Changzhou - Constant Temperature and Humidity Test Chamber

Technical Agreement for Constant Temperature and Humidity Test Chamber
※ Product Usage Introduction

Purpose: Used for reliability testing of industrial products at high, low, and constant humidity. Inspect the performance indicators of components and materials of electronic and electrical products, automotive and motorcycle products, aerospace products, marine weapons, universities, research institutions, and other related products under high and low temperature cycles and constant humidity changes. The product has a wide temperature control range and its performance indicators meet national standardsGB10592-89 Technical Conditions for High and Low Temperature Test Chamber, suitable for conducting low temperature, high temperature, and constant humidity tests on products in accordance with GB2423.1, GB2423.2, and GB2423.3 "Environmental Testing of Electrical and Electronic Products - Test A: Low Temperature Test Method - Test B: High Temperature Test Method - C: Constant Humidity Test Method". The product complies with GB2423.1, GB2423.2, GJB150.3, GJB150.4, IEC, and MIL standards.

※ Advantages of company products

1. Having independent intellectual property rights and appearance design, as well as mastering the core technology of environmental testing chambers

2. The control instrument adopts the Taiwan Weilun "TK1200" series, with a simplified Chinese operating interface

3. The refrigeration system adopts the original Taikang compressor unit from France

4. The core electrical components are all sourced from domestic and foreign brands such as Schneider

※ Product Technical Parameters

1. Internal dimensions of the test chamber: 500 * 400 * 500mm (width * depth * height)

2. The external dimensions of the test chamber are approximately 980 * 850 * 1680mm

3. Capacity: 100 liters

4. Temperature range: -20~150 ℃

5. Humidity range: 20~98% R.H

6. Fluctuations/Uniformity: ≤± 0.5 ℃/± 2 ℃

7. Humidity fluctuation:+2/-3R. H

8. Heating time: 2 ℃~3 ℃/min (no load)

9. Cooling time: 0.7 ℃~1 ℃/min (no load)

◇ Temperature control system

1. Controller Taiwan Weilun "TK1200" microcomputer temperature integrated controller (humidity directly displays percentage)

2. Accuracy range: Temperature ± 0.1 ℃, humidity ± 0.1% R.H

3. Temperature and humidity sensor PT100 sensor

4. Heating system nickel chromium alloy electric heating heater

5. Refrigeration system fully enclosed air-cooled single-stage compression refrigeration/original French "Taikang"/fully enclosed air-cooled cascade compression refrigeration

6. Circulating system high-temperature resistant and low-noise centrifugal motor, multi blade centrifugal fan

◇ Box material

1. Outer box material A3 steel plate, surface phosphating electrostatic spraying

2. Inner box material SUS304 stainless steel 2B grade light plate

3. Insulation material: ultra-thin and ultra-fine glass fiber

4. Door frame insulation double-layer high and low temperature aging resistant silicone rubber door sealing strip

◇ Meet the standards

1. GB2423.1-2016 Basic Environmental Testing Procedures for Electrical and Electronic Products - Test A: Low Temperature Test Method;

2. GB2423.2-2008 Basic Environmental Testing Procedures for Electrical and Electronic Products - Test B: High Temperature Test Method;

3. GB2423.3-2016 Basic Environmental Testing Procedures for Electrical and Electronic Products - Test C: Constant Damp Heat Test Method;

4. GB2423.4-2016 Basic Environmental Testing Procedures for Electrical and Electronic Products - Test D: Temperature Cycle Test Method;

◇ Attachment

1. 2 sample racks and 1 testing lead hole (Φ 50mm)

2. Safety protection against leakage, short circuit, overheating, compression overpressure, overload, and overcurrent

3. Power supply voltage AC220V ± 10% 50HZ

4. Operating environment temperature: 5 ℃~+30 ℃ ≤ 85% R.H