IEC 68-2-1 Programmable Constant Temperature Humidity Test Chamber
IEC 68-2-1 Programmable Constant Temperature and Humidity Test Chamber
Brief Introduction:
This Programmable Constant Temperature and Humidity Test Chamber conforms to the standard requirements of IEC68-2-1 Test A: Cold; IEC 68-2-2 Tests B:Dry heat; MIL-STD.202F; MIL-STD-810D; IEC 68-2-3 Test Ca: Damp heat, steady state; IEC 68-2-30 Test Db: Damp heat, cyclic; MIL-STD-810D and etc. This test chamber is used to test the adaptability of electrical appliance, food, automobile, rubber and plastics, metal and other products under the high-low temperature and alternating damp-heat environments. It is mainly to test the cold resistance, heat resistance, heat resistance, humidity resistance, dry resistance of the sample.
Technical Parameters:
| Model | TL-HW-80 | TL-HW-150 | TL-HW-225 | TL-HW-408 | TL-HW-800 | TL-HW-1000 |
| Inner chamber size mm (W*H*D), customized | 400*500*400 | 500*600*500 | 500*750*600 | 600*850*800 | 1000*1000*800 | 1000*1000*1000 |
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Outer chamber size mm (W*H*D) |
600*1650*1200 | 700*1760*1545 |
700*1910*1625
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800*2010*1845 | 1200*2035*1850 | 1200*2035*2050 |
| Temperature range | A:-20～+150℃ B:-40～+150℃ C:-70～+150℃ | |||||
| Humidity range | 20%～98%RH | |||||
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Temperature variation |
±2℃ | |||||
| Temperature uniformity | ±2℃ | |||||
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Temperature fluctuation |
±0.5℃ | |||||
| Rising rate |
About 3℃/min (non-linear, no load) |
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Cooling rate |
Average 1.0℃/min (non-linear, no load) |
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Humidity variation |
±3.0％RH(＞75％RH)；±5.0％RH(≤75％RH) |
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| Humidity uniformity |
±3.0%RH (no load) |
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| Temperature uniformity |
±2.5%RH (no load) |
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| Inner chamber material |
SUS304 stainless steel plate |
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| Outer chamber material | A3 cold-rolled steel plate electrostatic double-sided spraying/SUS304 stainless steel | |||||
| Refrigerating method | Air-cooled compressor (adopt French TECUMSEH fully enclosed compressor) | |||||
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The refrigerant |
R404a, R23 | |||||
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Temperature and humidity sensor |
A grade PT100 platinum resistance |
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Heater |
Nickel-chromium alloy electric heating heater | |||||
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Humidifier |
Adopt external humidification, the humidification tube adopts U-shaped design and over-temperature probe hole |
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| Power supply |
220V±10%V/ 380V±10%V；50Hz |
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| Protection system | Power supply phase loss and phase sequence error protection, water shortage automatic alarm protection, leakage protection, heater over temperature protection, heater short circuit and other overcurrent protection | |||||
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