介绍High – low temperature and low pressure test chamber is a simulation of high altitude, high altitude, (plateau area) climate for storage and transport reliability test, and can be simultaneously electrified on the test piece for electrical performance parameters of the test equipment. Applicable to the defense industry, aerospace industry automation components, automotive parts, batteries, flat panel display group industry and related products for high temperature, low temperature, height (not higher than 30,000 m above sea level or 45,000 m) and high and low temperature cycling test, temperature and altitude of the integrated test, high and low temperature test this chamber can be used for heat dissipation test specimens and non-heat dissipation test specimen test.Safety & Protections电源欠压、过压、缺相、相序错误保护； 3种超温保护加热器短路保护；压缩机超压/过载/保护：加湿器故障保护：鼓风机电机过载/过热保护；面板过流保护、漏电保护：真空泵过载保护：压缩空气压力不足保护。应用主要用于航空、航天、信息、电子等领域测定仪器仪表、电子产品、材料、元件、设备等在低压、高温、低温单独或同时条件下进行环境适应性和可靠性试验或测量样品的技术数据。选项Special cable port;
Electric interlock,terminals;
Special shelf
High-Low Temperature and Low Pressure Vacuum Chamber
Model
JTP250(C)
JTP500(C)
JTP1000(C)
JTP2000(C)
Nominal inside volume（L)
250L
500L
1000L
1000L
Performance
Temperature range
-40℃～+150℃ for model without suffix C, -70℃~+150℃ for model with suffix C
Temperature fluctuation
≤±0.5 (Under atmospheric pressure）
Temperature uniformity
≤2℃
Temperature deviation
≤±2℃ (Under atmospheric pressure）
Heating rate（average）
2℃/min
2℃/min
2℃/min
2℃/min
Cooling rate（average）
1℃/min
1℃/min
1℃/min
1℃/min
Remarks
Above indicators are measured in no load at ambient temperature of 20±2°C (According to GB/T 5170.2-2017)
Air pressure range
Ventricular pressure～0.5kPa
Air pressure error
±2kPa(≥40kPa), ±5%(2kPa~40kPa), ±0.1kPa(≤2kPa)
Pressure reduction time
Under atmospheric pressure~1kPa，nearly 30min
Pressure recovery time
≤10kPa/min
Internal dimension（mm）
D*W*H
550*600*750
700*800*900
1000*1000*1000
1400*1200*1200
External dimension（mm）
D*W*H
2000*1060*1900
2500*1260*2050
2720*1460*2050
3150*1650*2050
Testhole
1 Φ100
2Φ100
Stainless steel shelf (2 pcs in standard configuration)
Bearing 20kg/pc
Bearing 50kg/pc
Using environment temperature
0～+40℃
Shell
Sprayed steel plate
Interior
SUS304 stainless steel
Cooling mode
water-cooling，（water temperature 7～28℃，hydraulic pressure 0.2～0.4Mpa, To ensure cooling performance）
Controller
7′ Color touch screen Controller
Communication function
RS485 or standard RJ45 network interface, standard USB interface
Gas source
Crushing air 0.4~0.7MPa
Installed capacity(kw)(-/-C)
14/17
19/24
28/34
33/42
Weight(kg)
1000
2000
3000
4500
Power supply
380V+10%/50HZ+1, three-phase-five-wire system (3P+N+G)
Meet the testing method
GB2423.1-2008, GB2423.2-2008, GB2423.21-2008, GJB150.3-2009, GJB150.4-2009, GJB150.2-2009 (except for rapid bucking), GJB150.6-2009
Safety precautions
Power supply undervoltage, overvoltage, phase loss, and phase sequence error protection; Triple over temperature protection; Short circuit protection for heater refrigerator overpressure/ overload protection; Overload/ overheating protection for blower motor; Control board overcurrent protection and leakage protection, vacuum pump overload protection, compressed air undervoltage protection.
Optional
Special test holes, aviation plugs, terminals, special shelves, etc., optional with 15s quick decompression and 0.1s explosive decompression
