NTH Temperature Humidity Test Chamber Manufacturer

NTH Temperature Humidity Test Chamber

: http://swtestmachine.com/3-1-nth-temperature-humidity-test-chamber/index.html

The temperature and humidity tester chamber is mainly used to test material properties under different environments, like high temperature, low temperature, dry environment, moist environment, etc. The test chamber is well received in the quality tests of electronics, appliances, communications, instruments, vehicles, plastic products, metals, food, chemicals, construction materials, pharmaceuticals and aviation.

Technical Parameters of Temperature and Humidity Test Chamber

Model		NTH262-20	NTH420-20	NTH1000-20	NTH262-40	NTH420-40	NTH1000-40	NTH262-70	NTH420-70	NTH1000-70
Volume		262	420	1000	262	420	1000	262	420	1000
Internal size (mm)	W	700	700	1000	700	700	1000	700	700	1000
	H	750	750	1000	750	750	1000	750	750	1000
	D	500	800	1000	500	800	1000	500	800	1000
External size (mm)	W	900	900	1200	900	900	1200	900	900	1200
	H	1920	1920	2200	1920	1920	2200	1920	1920	2200
	D	1430	1730	1928	1430	1730	1928	1430	1730	1928
Temperature range		-20°C to +150°C(or 180°C)			-40°C to +150°C(or 180°C)			-70°C to +150°C(or 180°C)
Humidity range		20%RH-98%RH/(20-85°C)
Temperature fluctuation		±0.5°C
Temperature deviation		±1.5°C
Humidity deviation		±3.0%RH(when humidity is≧75%)；±5.0%RH(when humidity≦75%)
Heat-up time		20°C to +150°C			20°C to +150°C			20°C to +150°C
		≦50MIN			≦50MIN			≦50MIN
Cool-down time		-20°C to +20°C			-40°C to +20°C			-70°C to +20°C
		≦45MIN			≦70MIN			≦90MIN
Temperature and humidity adjustment method		Balancing method
Environment temperature		+5°C to +35°C
Materials	Housing	Double-side galvanized sheet, plastic coated
	Internal surface	SUS304/2B stainless steel plates
	Insulation	PU foam + fiberboards
Regulator	Heater	Nichrome fin heater
	Humidifier	Stainless steel heater, water dish
	Fan	Centrifugal fan
	Refrigerator	Mechanical compressor
	Refrigerant	R404a					R404a /R23
	Cooling method	Mechanical compression (Air cooling or water cooling)					Duplex mechanical compression (Air cooling or water cooling)
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 method	Water pump
	Water tank	Portable water tank
	Water	Electrical resistivity≦500Ωm
	Power supply	AC380V±10%V 50HZ
	Max. current (A)	12	12	22	14	18	25	20	22	38
	Power (KW)	6	6	9	7	7	12	10	10	18
	Weight (KG)	460	530	810	460	530	810	540	600	98

Notes:
1. The NT series products have no humidity function.
2. The temperature data are measured at +25°C and with no sample.
3. The fluctuation parameter is measured in accordance with GB/T5170.2-1996 standard.
4. The convex part is not counted in the chamber dimensions.

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	Environmental Testing - Part 2: Test Methods - Tests A: Cold
GB/T2423.2-2008	Environmental Testing - Part 2: Test Methods - Tests B: Dry Heat
GB/T2423.3-2006	Environmental Testing for Electric and Electronic Products - Part 2: Testing Method Test Cab: Damp Heat, Steady State
GB/T2423.4-2008	Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic
GB/T2423.22-2002	Environmental Testing for Electric and Electronic Products--Part 2: Test Methods--Test N: Change of Temperature
IEC60068-2-1.1990	Environmental Testing; Part 2: Tests; Tests A: Cold
IEC60068-2-2.1974	Basic Environmental Testing Procedures. Part 2: Tests. Test B: Dry heat
GJB150.3	Environmental Test Methods for Military Equipment--High Temperature Test
GJB150.4	Environmental Test Methods for Military Equipment-- Low Temperature Test
GJB150.9	Environmental Test Methods for Military Equipment--Damp Heat Test

Simplewell controller
Mitsubishi PLC
Temperature and humidity adjustment range

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

Cooling Equipment

TECUMSEH fully hermetic compressor
BOCK inverter compressor
BITZER semi-hermetic compressor

The duct structure of NTH temperature humidity test chamber has gained a patent for invention. The duct structure ensures uniform temperature of each testing area of the test chamber and high test accuracy