Temperature and Humidity Test Chamber

Rapid Temperature Change Test Chamber

Application

The rapid temperature change test chamber is used to test the durability and structure of composite materials under transient high temperature and low temperature. According to the chemical and physical changes, manufacturers can improve the product properties. Applicable materials include metals, plastics, rubber, electronic components, just to name a few.

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Technical Parameters of rapid temperature change test chamber

Model		SQW262L5 SQW262L10 SQW262L15	SQW420L5 SQW420L10 SQW420L15	SQW1000L5 SQW1000L10 SQW1000L15	SQW2400L5 SQW2400L10 SQW2400L15
Volume		262	420	1000	2400
Internal size (mm)	W	700	700	1000	1300
	H	750	750	1000	1300
	D	500	800	1000	1400
Temperature range		-70°C to +150°C
Humidity range		20%RH to 98%RH/(20 to 85°C)
Temperature fluctuation		±0.5°C
Temperature deviation		±2°C
Humidity deviation		±3.0%RH (when humidity ≧75%); ±5.0%RH(when humidity≦75%)
Temperature increase/ decrease speed		5/10/15°C min(Linear/Nonlinear)
Temperature adjustment range		-55°C to +85°C /-40°C to +85°C
Materials	Housing	Double-side galvanized sheet, plastic coated
	Internal surface	SUS304/2B stainless steel plates
	Insulation	PU foam + fiberglass
Regulator	Heater	Nichrome fin heater
	Humidifier	Stainless steel heater, external humidification
	Fan	Backward curved fan
	Refrigerator	Mechanical compressor
	Refrigerant	R404a /R23
	Cooling method	Duplex mechanical compression
Controller	Display	7.0 inch, TFT color LCD display
	Control method	Touchscreen micro-computer controller, integral windup PID
	Auxiliary functions	Malfunction alarm and possible solution, power-off protection, temperature protection, calendar timing, automatic diagnosis
Water supply	Water supply method	Water pump
	Water tank	Drawer type (in-house developed)
	Water	Electrical resistivity ≥500Ωm
Power supply		AC380V±10%V 50HZ, three-phase four-wire + ground wire, AC220V / AC110V 60HZ

Notes:
1. The SQT series products have no humidity function.
2. Above parameters are measured when the ambient temperature is +25℃ and circulating water temperature is +25℃, with no sample.
3. The fluctuation parameter is tested in accordance with GB/T5170.2-2008 standard.
4. The above-mentioned series products are designed with a humidifier.

Standards

GB/T5170.2-2008	Inspection Methods for Environmental Testing Equipment for Electric and Electronic Products - Temperature Testing Equipment
GB/T5170.5-2008	Inspection Methods for Environmental Testing Equipment for Electric and Electronic Products - Damp Heat Testing Equipment
GB/T2423.1-2008(IEC68-2-1)	Environmental Testing - Part 2: Test Methods - Tests A: Cold
GB/T2423.2-2008(IEC68-2-2)	Environmental Testing - Part 2: Test Methods - Tests B: Dry Heat
GB/T2423.3-2006(IEC68-2-3)	Environmental Testing for Electric and Electronic Products - Part 2: Testing Method Test Cab: Damp Heat, Steady State
GB/T2423.4-2006(IEC68-2-30)	Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic
GJB150.3A-2009(MIL-STD-810F-2000)	Laboratory Environmental Test Methods for Military Materiel-Part 3: High Temperature Test
GJB150.4A-2009(MIL-STD-810F-2000)	Laboratory Environmental Test Methods for Military Materiel-Part 4: Low Temperature Test
GJB150.9A-2009(MIL-STD-810F-2000)	Laboratory Environmental Test Methods for Military Materiel-Part 9: Damp Heat Test

The detection system and detection method has obtained a patent for invention. According to the specific needs for testing, users can control the heating power to realize rapid warming. The temperature difference can also be accurately controlled. SQW temperature humidity test chamber is featured by fast heating rate, small temperature difference and high detection precision.