Hebei - High and Low Temperature Test Chamber

Technical Agreement for High and Low Temperature Test Chamber

※ Product Usage Introduction

Purpose: Used for reliability testing of industrial products at high and low temperatures. Inspect the performance indicators of components and materials related to electronic and electrical products, automobiles and motorcycles, aerospace, marine weapons, universities, research institutions, and other related products under high and low temperature cyclic 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 and high temperature tests on products in accordance with GB2423.1 and GB2423.2 "Environmental Testing of Electrical and Electronic Products - Test A: Low Temperature Test Method, Test B: High Temperature Test Method". The product complies with GB2423.1, GB2423.2, GJB150.3, GJB150.4, IEC, and MIL standards.
※ Advantages of company products

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

2. Touch screen instrument panel

3. The refrigeration system adopts French original Taikang compressor unit, refrigerant: R404A+R23 (DuPont environmentally friendly refrigerant from the United States)

4. The core electrical components are all made of well-known domestic and foreign brands such as Schneider

※ Product Technical Parameters

1. Internal dimensions of the test chamber:210 * 240 * 755mm (width * depth * height)

2. External dimensions: Head:390mm * 510mm x 935mm (horizontal box)

3. Equipment dimensions:890 * 1090 * 935mm (width * depth * height)

4. Temperature range:-40~200℃

5. Control accuracy:0.1℃

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

6. Heating time: 1 ℃~3 ℃/min (no load)

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

8. Noise: ＜ 65dB

※ Temperature control system

1. Controller touch screen instrument panel

2. Accuracy range: Temperature ± 0.1 ℃

3. Temperature sensor platinum resistance PT100 Ω

4. Heating system nickel chromium alloy electric heating heater

5. Fully enclosed air-cooled single-stage compression refrigeration/Original French "Taikang"/Fully enclosed air-cooled cascade compression refrigeration

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

※ Box material

1. The outer box material is A3 steel plate, with surface phosphating and electrostatic spraying

2. Inner box 1.0SUS # 304 corrosion-resistant

3. Insulation material: ultra-thin and ultra-fine glass fiber insulation layer with a thickness of 75mm

4. Door frame insulation double-layer high and low temperature aging resistant silicone rubber door sealing strip, single door, door frame size 510 × 935 (W × H)

5. The size of the observation window is 260 * 120mm, and it is equipped with a fully transparent inner and outer coating heating and anti frost device;

※ Meet the standards

1. GBT 10589-2008 Technical Conditions for Low Temperature Test Chamber

2. GB/T 10592-2008 Technical Conditions for High and Low Temperature Test Chambers

3. GB/T2423.1-2008 Environmental testing for electrical and electronic products Part 2 Test methods Test A Low temperature

4. GB/T2423.2-2008 Environmental testing for electronic and electrical products Part 2: Test methods Test B: High temperature

5. GB/T 5170.2-2008 Environmental testing equipment for electrical and electronic products - Inspection methods - Temperature testing equipment

6. GJB 150.3A-2009 Military Equipment Laboratory Environmental Test Methods Part 3: High Temperature Test

7. GJB150.4A-2009 Military Equipment Laboratory Environmental Test Methods Part 4: Low Temperature Test

※ Description of Control Methods and Product Features

1. Balanced temperature and humidity control system+unique air duct circulation system design, using original imported high-precision temperature controller, PID automatic control SSR output mode, so that the heating and humidification amount of the system is equal to the heat and humidity loss, to ensure the authenticity and stability of indoor temperature and humidity.

2. The high and low temperature box has RS485 or RS232 communication function, which is used to collect the temperature inside the sample insulation box

※ Air conditioning system

1. Air conditioning method: Forced ventilation internal circulation cold and hot balance temperature control. This method refers to the control system controlling the refrigeration system based on the set temperature point through PID automatic calculation output results, continuously or intermittently providing cooling output and heater auxiliary output, achieving a dynamic balance.

2. Air circulation device: centrifugal fan, air duct design;

3. Cooling method: air-cooled heat exchanger;

4. Heating method: Nickel chromium alloy wire electric heater
5. The test chamber is matched with the testing machine, with two holes on each side (50mm in diameter and 30mm in diameter), and heat-insulating treatment is applied

※ Attachment

1. Safety protection against leakage, short circuit, overheating, compression overvoltage, overload, and overcurrent

2. Power supply voltage 220V ± 10% 50Hz

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