Low Pressure (Altitude) Test Chamber
This test chamber is used to simulate low pressure at high altitude regions, upper air part and other pressure lower than standard atmospheric pressure regions.

Model HD-LP-1000
Interior capacity(L) 1000
Interior dimension W*H*D(mm) 1000*1000*1000
Exterior dimension W*H*D(mm) 1650*2100*2260
Performance
    Temperature range  -65℃～+150℃
Temperature fluctuation                                ±0.5℃(normal pressures )
Temperature tolerance                               ±2.0℃(normal pressures )
Heating time                                +20℃→+150℃  ≤60min(normal pressure, no load)
Cooling time                                +20℃→-55℃   ≤80min(normal pressure, no load)
Pressure range                               Normal pressures ～0.5kPa
pressure fluctuation ±0.1kPa(≤2kPa)，±5%(2kPa～40kPa)，±2kPa(≥40kPa)
Depressurization time                                    Normal pressures →1kPa≤30min
Temperature pressure control system Balanced Temperature Pressure Control system (BTPC system)
Utility environment Temperature：+5℃～+35℃；Humidity：≤85%RH；Air pressure：86～106kPa
Material
Enclosure Cold rolled steel color coated
Interior Stainless steel plate SUS304
Thermal insulation Hard urethane foam + Foam glass
Regulator
Heater Nichrome Electronic Heater
Fan Magnetofluid sealed axial flow fan
Refrigeration type Mechanical cascade refrigeration system
Refrigerant R404A/R23
Controller
Displayer 5.7" inch Touch screen Programmable LCD displayer
Operation mode Program operation, Constant operation
Display resolution Time：0.1min；Temperature： 0.1℃；Pressure:0.1kpa
Input PT100
Power supply AC380(1±10%)V  (50±0.5)Hz  three phases
Water supply condition Water temperature：≤30℃；Water pressure：0.2～0.4MPa；Flow speed：≥10T/h
Standard accessories Samples holder 2sets, Timer 1pc，Cable( 5m )1pc,Manual gas charging valve, pressure test connector
Safety devices Leakage breaker，Interior over temperature protector，Fan over heat protector，Fan over current protector, Compressor over heat protector，Compressor over pressure protector, Compressor over current protector，water-break relay etc.
※1 Data measured under temperature is +25℃, cyclic water temperature is+ 25℃,without specimen.
  2, Above specifications maybe changed without notice.