STH temperature humidity climate testing cabinet

High- low temperature test chamber, Temperature humidity climate test equipment environmental test chamber

Product Purpose

the constant temperature and humidity chamber is also named as constant temperature and humidity tester, constant temperature and humidity experiment box, constant temperature machine or constant temperature and humidity box, which can detect the heat-resisting, cold- resistant, drying resistant and wet resistance of the equipment under each environment. It is suitable for detecting the quality of electronic, appliance, communication, instrument, vehicle, plastic product, metal, food, chemicals, building materials, medical treatment, spaceflight product, etc.

Model			STH150-20	STH225-20	STH408-20	STH1000-20		STH150-40	STH225-40	STH408-40	STH1000-40		STH150-70	STH225-70	STH408-70	STH1000-70
Volume (L)			150	225	408	1000		150	225	408	1000		150	225	408	1000
Inner size(mm)		W	500	500	600	1000		500	500	600	1000		500	500	600	1000
		H	600	750	850	1000		600	750	850	1000		600	750	850	1000
		D	500	600	800	1000		500	600	800	1000		500	600	800	1000
External size (mm)		W	910	910	1010	1410		910	910	1010	1410		910	910	1010	1410
		H	1580	1730	1830	1980		1580	1730	1830	1980		1580	1730	1830	1980
		D	1073	1173	1373	1588		1073	1173	1373	1588		1073	1173	1373	1588
Temperature range			-20°C～+150°C (180°C optional)					-40°C～+150°C (180°C optional)					-70°C～+150°C (180°C optional)
Humidity range			20%RH~98%RH/(20~85°C)
Temperature fluctuation			±0.5°C
Temperature deviation			±1.5°C
Humidity deviation			±3.0%RH(≥75%); ±5.0%RH(≤75%)
Warm-up time			20°C~+150°C				20°C~+150°C						20°C~+150°C
			≤50MIN				≤50MIN						≤50MIN
Cooling time			+20°C~-20°C				+20°C~-40°C						+20°C~-70°C
			≤45MIN				≤70MIN						≤90MIN
Temperature & humidity regulating method			Balance temperature regulating (humidityregulating) mode
Working environment temperature			+5°C~+35°C
Material	Shell		Double side electrolysis plank and spraying plastics
	Inner shell		Stainless steel plate SUS304/2B
	Thermal insulation		Polyurethane foam fiberboard
Regulator	Heater		Nicochrome fin heating tube
	Humidifier		Stainless steel armored heater humidifying the water pond (humidifying the water pond)
	Fan		Centrifugal fan
	Refrigerator		Mechanical compressor
	Refrigerant		R404a										R404a /R23
	Refrigerating mode		Mechanical binary cascade refrigeration (air cooling or water cooling)									Mechanical binary cascade refrigeration (air cooling or water cooling)

Optional configurations

1. Rotary dehumidifier/ polymeric membrane, with a lowest temperature/humidity content of 5℃/5%RH.
2. Built-in tempered glass door, easy to move.
3. Water purification system, with automatic replenishment function.
4. Recorder, save and print testing data.
5. Ultrasonic humidifier/high-pressure spray humidifier, providing continuous high humidity under extreme temperature.
6. Dry air blow system, anti-condensation
7. Remote monitoring function, cellphone and computer supportive.

Reference Standards

*GB11158 Specifications for High Temperature Test Chambers

*GB10589-89 Specifications for Low Temperature Test Chambers

*GB10592-89 Specifications for Low/High Temperature Test Chambers

*GB/T10586-89 Specifications for Damp Heat Testing Chambers

*GB/T2423.1-2008 Testing Method of Low Temperature Testing Chamber

*GB/T2423.2-2008 Testing Method of High Temperature Testing Chamber

*GB/T2423.3-2006 Testing Method of Damp and Heat Testing Chamber

*GB/T2423.4-2008 Cyclic Damp Heat Test Method

*GB/T2423.22-2002 Testing Method of Temperature Change

*IEC60068-2-1.1990 Testing Method of Low Temperature Testing Chamber

*IEC60068-2-2.1974 Testing Method of High Temperature Testing

*GJB150.3 High Temperature Test

*GJB150.4 Low Temperature Test

*GJB150.9 Damp and Heat Test

Cases

through more than 20 years of hard work, we have established friendly relationship with customers both at home and abroad. Some of them are well-know companies and organizations such as below