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Constant temperature and humidity testing machine is also called environment testing machine, used to test various types of materials for their tolerances of heat, cold, dry, humidity.Application: Quality inspection for all types of electronic products, electric appliance, and products from communication, instrument, automobile, plastic, metal, food, chemical, building materials, medical and aerospace industries.

Features

Graceful appearance, circularly shaped body, surface treated with mist strips, and plane handle with no reaction. easy to operate, safe and reliable.
Rectangular double-glassed watching window for the observation of the test products during the testing process. the window is equipped with sweat-proof electrical heating device that can prevent water steam from condensing into droplets, and with high brightness PL fluorescent bulbs to provide light inside the box.
Double-layer-insulated airtight doors, able to insulate the internal temperature effectively
Water supply system that is externally connectable, convenient for refilling water into the humidifying pot and automatically recyclable.
The France¡¯s "Taikang" brand is used for the circulation system of the compressor, capable of removing the lubricant between the condensation pipes and capillaries. The environment-protecting coolant is used for the whole series (R23/R404/R507).
Imported LCD display screen is used for the control unit, capable of displaying the measured value as well as the set value and time.
The control unit has the functions of multiple segment program editing, and of quick or slope control of temperature and humidity.
Inserted mobile pulley, convenient for movement and relocation, with strong positioning screws.

Implementation standards and methods

GB11158 temperature Chambers technical conditions
GB10589-89 Chambers cryogenic technology
GB10592-89 Chambers technology high and low temperature conditions
Chambers technology GB/T10586-89 hot and humid conditions
GB/T2423.1-2001 hypothermia Chambers Test Method
High Temperature Test Method Chambers GB/T2423.2-2001
GB/T2423.3-93 hot and humid Chambers Test Method
Alternating hot and humid GB/T2423.4-93 Test Method
GB/T2423.22-2001 temperature changes Test Method
IEC60068-2-1.1990 low temperature Chambers Test Method
IEC60068-2-2.1974 high temperature Chambers Test Method
GJB150.3 High Temperature Test
GJB150.4 Low Temperature Test
GJB150.9 Damp Heat Test

SPEC

Model	CRS-CTH 80 (A-G)	CRS-CTH 150 (A-G)	CRS-CTH 225 (A-G)	CRS-CTH 408 (A-G)	CRS-CTH 608(A-G)	CRS-CTH 800 (A-G)	CRS-CTH 1000 (A-G)
Internal Dimensions WxHxD (cm)	40x50x40	50x60x50	50x75x60	60x85x80	80x95x80	100x100x80	100x100x100
External Dimensions WxHxD (cm)	90x136x94	100x146x104	100x161x117	110x171x137	130x181x137	150x186x137	150x186x157
Temperature Range	-70℃~+100℃(150℃) (A:+25℃ B:0℃ C:-20℃ D:-40℃ E:-50℃ F:-60℃ G:-70℃)
Humidity Range	20%~98%R.H.(10%-98%R.H/5%~98%R.H is a special optional condition)
Analytic Accuracy/evenness degree of Temperature and Humidity	±0.1℃;±0.1%R.H./2.0℃;±3.0%R.H.
Control Accuracy/Temperature stabicity of Temperature and Humidity	±0.3℃;±2.5%R.H.
Temperature Rising/Falling Time	Approximately 4.0℃/minute; approximately1.0℃/minute ("5~10℃ decrease per minute" is a special optional condition)
Inner and Outer Materials	The whole set is SUS 304# stainless steel treated with mist. Inner box is stainless steel
Insulation Materia	Resistant to high temperature, high density, formate chlorine, ethyl acetum foam insulation materials
Cooling System	Air cooling /single segment compressor (-20℃), air water cooling/double segment compressor
Protection Devices	Fuse-free switch, overloading protection switch for compressor, high and low voltage coolant protection switch, over-humidity and over-temperature protection switch, fuses, failure warning system
parts	Recorder (optional), watching window, 50mm testing hole, PL internal bulbs,partition plate, dry and wet ball gauze
control panel	South Korea"TEMI"or Japan¡äs "OYO" Brand Optional
Compressor	France¡äs "Tecumseh" Brand
Power	220VAC±10% 50/60Hz 380VAC±10% 50/60Hz

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Programmable Constant Temperature and Humidity Testing Machine