Three-combination test chamber GDHS20100 Rongjida

I. Introduction to High and Low Temperature Constant Temperature and Humidity Test Chamber The high and low temperature alternating wet heat test chamber is a climate simulation chamber, suitable for testing the reliability and adaptability indicators of various products, materials, or electrical appliances, instruments, meters, and electronic components under high temperature, low temperature or wet heat environments. Ii. Standards for High and Low Temperature Constant Temperature and Humidity Test Chambers GB/T2424.1-2015 Environmental Testing GB/T2424.2-2015 Electrical and Electronic Environmental Test Chamber: Guidelines for Wet Heat Test. GB/T2424.5-2021 Environmental Testing - Part 3 GB/T2424.6-2021 Environmental Testing - Part 3 GB/T2424.7-2006 Environmental Testing for Electrical and Electronic Products GB/T2424.27-2013 Environmental Testing GB/T2423.1-2008 Environmental Testing for Electrical and Electronic Products - Test A: Low Temperature GB/T2423.2-2008 Environmental testing for electrical and electronic products - Part 2: Test Methods Test B: High temperature GJB150.3-2009 Military Equipment Environmental Test Methods - High Temperature Test GJB150.4-2009 Environmental Test Methods for Military Equipment - Low Temperature Test GJB 150.9-2009 Environmental Test Methods for Military Equipment - Damp Heat Test GB/T 10592-2008 Technical Conditions for High and Low Temperature Test Chambers Iii. Technical Parameters of High and Low Temperature Constant Temperature and Humidity Test Chamber Specification: 1000L Studio dimensions: 1000×1000×1000mm Overall dimensions: 1850×1250×1950mm 2. Temperature range Temperature range: -20℃ to 150℃ Model: GDHS20100 Temperature range: -40℃ to 150℃ Model: GDHS40100 Temperature range: -70℃ to 150℃ Model: GDHS70100 Temperature range: -100℃ to 150℃ Model: GDHS100100 Temperature fluctuation: ≤±0.5℃ Temperature uniformity: ≤2℃ Temperature deviation: ≤±2℃ Heating rate: 3℃/min, no-load, average throughout the process Cooling rate: 0.7 to 1℃/min (+150℃<->-70℃) Empty load, average throughout the journey 3. Humidity parameters Humidity range: 20%RH to 98%RH Humidity fluctuation: ≤+2%RH/-3%RH Humidity uniformity: ≤3%RH Humidity deviation: ≤±3%RH 4. Control system Control instrument: 7-inch TFT true-color LCD, 560,000 colors, resolution 800*480, brightness 300cd/m Sensor: PT100 high-precision temperature sensor Over-temperature protection: South Korea/(Autonix) Heating system: Independent system, nickel-chromium alloy electric heating heater Humidification system: External isolated type, all-stainless steel shallow surface evaporation humidifier Dehumidification system: It adopts the laminar flow contact dehumidification method at the dew point temperature of the evaporator coil Water supply system: The humidification water supply adopts automatic control. And the residual water can be recycled. It saves water and reduces consumption Refrigeration system: Fully enclosed, original French "Tecumseh"/fully enclosed air-cooled cascade compression refrigeration method 5. Host parameters Shell material: Made of high-quality, high-hardness cold-rolled steel plate, thickness: 1.2mm (Baosteel) Studio material: SUS304# brushed stainless steel, thickness: 1.2mm (Foshan) The outer surface coating: Electrostatic powder spraying and high-temperature baking at 300℃ make the coating surface more wear-resistant Partition material: SUS304# brushed stainless steel (Foshan) Insulation layer material: Aluminosilicate superfine fiber cotton (insulation thickness: 120mm), thermal conductivity: 0.045-0.060 (W/m.k) at 200℃ Standard configuration: 1 set of lighting glass window, 2 sample racks, and 1 test lead hole (25mm, 50mm, 100mm) Safety protection: Leakage, short circuit, over-temperature, water shortage, motor overheating, compressor overpressure, overload, overcurrent protection/controller power-off memory Power supply voltage: AC220V/AC380V± 10%, 50±0.5Hz, three-phase five-wire system