Features of High and low temperature high altitude and low pressure test chamber
1. Internal pressure structure of main box structure;
2. Temperature and humidity control system: fan, heater, evaporator;
3. Refrigeration method: mechanical compression binary refrigeration system;
4. Vacuum unit: rotary vane vacuum pump;
5. Control panel: temperature, humidity and pressure control display, over temperature. Protection device, light switch.
Parameters of High and low temperature high altitude and low pressure test chamber
Inner box size | W(width)1000mm*H(height)1000mm*D(depth)1000mm |
Outer box size (approx.) | W(width)1450mm*H(height)1880mm*D(depth)2650mm |
Temperature range | -70℃~+150℃ |
Resolution | 0.01℃; 0.1%R.H |
Temperature accuracy | ±0.5℃ |
Temperature deviation | ±0.5℃ |
Temperature fluctuation | ≤2.0℃ |
Fast heating time | -70℃→+150℃, heating up 3.0℃/min (no load, normal pressure, nonlinear) |
Rapid cooling time | +150℃→-70℃ Cool down by 3.0℃/min (no load, normal pressure, nonlinear) |
Pressure range | Normal pressure~1Kpa |
Buck rate | Atmospheric pressure drops to 0.1KPa≤30min |
Pressure deviation | When ≥20kPa: ≤±1kPa; |
2~20kPa: ≤±5%; | |
When ≤2kPa: ≤±0.1kPa; | |
Pressure recovery rate | ≤10KPa/min |
Cooling method | air cooling |
Noise | ≤75dB A sound level (1m in front of the gate, not exceeding the width and height of the equipment, randomly select 3 locations for testing) |