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Altitude Test Chamber

Views: 16     Author: Site Editor     Publish Time: 2018-08-23      Origin: Site

Altitude Test Chamber Applications:

Electrical,electronic,military industry and household products.According to GB,GJB and IEC standard,to do
high low temperature,humidity thermal,low pressure and other environmental and reliability test.
General introduction: This equipment is composed of test room formed by
pressure-containing box shell and insulation structure, refrigeration system, add wet
system,vacuum system and electric control system and other components.
precision instruments, and to a great extent electronics parts in general.

Altitude Test Chamber Features about structure:
1. Main box structure  internal pressure structure
2. Control system of temperature and humidity: fan, heater, evaporator,h umidifier
3. Refrigeration mode: mechanical compression binary refrigeration system
4. Vacuum units: rotary vane vacuum pump
5. Control panel: temperature, humidity and pressure controlled display screen, over temperature
protection device, light switch.

Altitude Test Chamber Test Standard Satisfied:         
GB/T2423.1-2001 test A: Low temperature test
GB/T2423.2-2001 test B: High temperature test
GB/T2423.21-2001 test M: Low pressure test

Altitude Test Chamber Specification:

Model SM-VTH-250-CC SM-VTH-500-CC SM-VTH-1000-CC SM-VTH-2000-CC


 control range

-70℃~180℃ (A:0℃~180℃;B:-20℃~180℃;C:-40℃~180℃;D:-70℃~180℃)



Cooling rate 180.0℃~-70.0℃  Within 120mins (1.0~2.0℃/min)
Heating rate -70.0℃~180.0℃ Within 100mins  (2.0~3.0℃/min)



±1.5℃ (-40.0℃~100.0℃) 
±2.0℃ (100.1℃~180.0℃or-40.0℃~-70.0℃)
Pressure Pressure range Normal pressure~0.5kpa(500pa)
Pressure error ±2kpa(>40kpa),±5%(2kpa~40kpa),±0.1kpa(<2kpa)



Normal pressure~1kpa,about 30 mins;


 recovery time




20.0%RH~98.0%RH(work under atmospheric humidity) 
Humidity fluctuation ±2.0% RH
Humidity uniformity ±5.0%RH 
Material /
Internal material Adopt 2mm thickness stainless steel plate (SUS304)
External material Adopt 10mm thickness cold rolled steel plate fully welded / powder sprayed

 Heat insulating


100mm thickness polyurethane plate+10mm thickness mineral wool
Fan Centrifugal blower
Compressor France Tecumseh, Germany Bock, Germany Bitzer
Condenser Air cooling, water cooling
Refrigerant R404A、R23、R508
Evaporator Fin - and - Tube Heat Exchanger 
Heater Nickel chromium alloy heating wire 
Humidifier Steam humidifier 

Inner size(mm)


550*600*700 700*800*900 1000*1000*1000 1400*1200*1200

Outer size(mm)


2000*1060*1900 2500*1260*2050 2720*1460*2130 3150*1650*2050
Volume(L) 250L 500L 1000L 2000L
Operating ambient temperature +5 ~ 35℃
Power supply 380V AC  50/60Hz

SANWOOD SH5600:Equipped with RS232 port

(7.0 inch controller)USB data export )




Sanwood Environmental Chambers Co.,Ltd, based in Taiwan. We are a direct factory which has specialized in 

manufacturing environmental test chambers for 22 years. 

Our products have exported to more than 40 countries, included USA, UK, Russia, Italy, Poland, Switzerland, etc. 


We mainly produce:

1. Temperature & humidity test chamber ( Temperature range: -75~+180C, Humidity range: 10%~98%RH)

2. High low temperature test chamber( Temperature range: -75~+180C)

3. UV weathering test chamber

4. Xenon lamp accelerated aging test chamber

5. Ozone accelerated aging test chamber

6. Thermal shock test chamber( Two-zone type and three-zone type)

7. Rapid temperature change test chamber Heating & cooling rate: 5C/min, 10C/min, 15C/min

8. Salt spray corrosion test chamber

9. Dust test chamber

10. Rain test chamber

11. Temperature & altitude test chamber

12. Temperature, humidity and vibration combined chamber

13. (Vacuum) drying oven

14. Vibration test system



Joy Li

Guangdong Sanwood Technology Corporation.,limited

ADD: No.88, Songchang Road, Songbotang, Changping, Dongguan, Guangdong

TEL: +86+769-81182799

FAX: +86+769-82987199

E-mail: sales7@climatic-chambers.com.tw

Website: http://www.sanwood.cc

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Guangdong Sanwood Technology Co.,Ltd

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No.88, Songchang Road, Songbotang, Changping, Dongguan 523560, Guangdong, China

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