High-Altitude and low pressure test chamber
Product description
It applied in testing for aerospace products, information electronic instruments, electrical, electronic products, machinery and other products, parts, materials, etc. to carry out high and low temperature and low pressure test, simulate temperature change and altitude change under single or combined conditions to carry out quality and reliability test for products, parts, materials, etc., so as to facilitate product design, improvement, identification and factory inspection.
Standard：
1.GB/T 2423.1-2008 Test A：Low temperature test method；
2.GJB150.1A-2A-3A-4A-9A-24A-2009 Military equipment laboratory environmental test method.
3.GB/T 2423.21-2008 Test M：Low presure test method；
4.GB/T 2423.25-2008 Test Z/AM：Low temperature/low pressure test.
5.GB/T 2423.26-2008 Test Z/BM：Combined high temperature/low pressure test；
6.GB/T 2423.2-2008 Test B：High temperature test method
7.Low presure test method；
8.GJB 367A-2001《General Specification for Military Communication Equipment》Appendix A General environmental test methods.
Product features
01
High efficiency double pole vacuum pump pressure unit +DPT electronic pressure regulator valve, balance compensation type control air pressure;
02
Use centrifugal fan, magnetic fluid transmission mode of internal circulation;
03
International brand (Germany Leybold) bipolar rotary vane vacuum pump;
04
special design explosion-proof armored electric heat pipe;
05
specially designed network distribution evaporator;
06
high thermal radiation characteristics mesh type inner box wall panel；
Technical specifications
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Main technical parameters |
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Mold |
WBE-DQY225LA/B/D |
WBE-DQY408LA/B/D |
WBE-DQY1000LA/B/D |
WBE-DQY1700LA/B/D |
WBE-DQY3300LA/B/D |
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Volume |
225L |
408L |
1000L |
1700L |
3300L |
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Working room size(WxDxH) |
600x500x750mm |
800x650x850mm |
1000x1000x1000mm |
1200x1200x1200mm |
1500x1500x1500mm |
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Proper ty |
Pressure range |
Nature presure～1.0KPa/Nature presure～0.5KPa. |
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Pressure deviation |
Nature presure～40kPa:≤±1.8kPa；40kPa～4kPa:≤±4.5% kPa；4kPa～1kPa:≤±0.1kPa. |
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Depressurization time |
Nature presure→0.5kPa≤ 45min（Non-load、Box drying）. |
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Pressure recovery rate |
≤10kPa/min. |
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Temperature range |
A：-40℃~+150℃， B:-20℃~+150℃， D:-70℃~+150℃， |
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Temperature uniformity |
≤2.0℃（Nature presure、Non-load）. |
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Temperature deviation |
≤±2.0℃（Nature presure、Non-load）. |
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Temperature fluctuation |
≤±0.5℃（Nature presure、Non-load）. |
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Heating rate |
Average 3℃/min（Nature presure、Non-load），（Temperature rate 4～25℃/min Linear/Non-Linear Customized for special conditions）. |
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Cooling rate |
Average 2℃/min(Nature presure、Non-load），（Temperature rate 2～25℃/min Linear/Non-Linear Customized for special conditions）. |
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Humidity range |
20%RH～98%RH（Customized for other special conditions）. |
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Humidity uniformity / volatility |
≤3.0%RH/≤±2.0%RH. |
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Humidity deviation |
+2.0%RH～-3.0%RH（±3.0％RH Base on GB/T 2423.3-2008 ）. |
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inner/outer wall materials |
High quality SUS304 brushed stainless steel; / Rolled steel plate + double-sides electrostatic coating process； |
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Environmental requirement |
Air cooling ambient temperature requirements +5~ +30℃/ Water cooling ambient temperature requirements +5~ +40℃ (Water cooling requires a water tower or chiller). |
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Voltage AC |
380V±10% 50HZ |
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