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利来w66下载报道Walk-in constant temperature and humidity test chamber_利来w66下载官网资讯

Programmable constant temperature and humidity test chamber with constant temperature and humidity test chamber of similar products, aerospace, automotive, appliance, research and other fields necessary test equipment for testing and determining the electrical, electronics and other products and materials for high temperature, low temperature parameters and properties of alternating hot and humid degrees temperature or constant environmental changes after test. Reference standard: GB/T2423.1-2008 Test A low temperature test methods, GB/T2423.2-2008 Test B high-temperature test methods, GB/T2423.3-2006 test Ca constant heat test method, GB/T2423.4- 2008 test Db post damp heat test method, the product meets GB/T2423.1-2001 GB/T2423.3-1993 GB/T2423.2-2001GJB150.3.GJB150.4, IEC, MIL ISO national standards, as well as other relevant industry standards.

Main parameters and configuration】:








Temperature Range

-20150℃;    -40150℃;     -50150℃;

  -60150℃;    -70150 

Choose according to product testing requirements over the temperature range

Humidity Range


Temperature fluctuation


Temperature uniformity


Humidity deviation


Heating time


Cooling time


Temperature control

Thermal equilibrium humidity thermostat

Timing function














Temperature Control System


Chinese imports of programmable LCD touch interactive display, microcomputer integrated controller.

Temperature and humidity control instrument display using (Japan) full import of large screen (7-inch LED display), screen is simple, easy programming, no key input, direct touch-screen option. Accuracy: 0.1 ℃ (display range).

Temperature and humidity control using the same channel coordinated control P · I · D + S · S · R system.

With automatic calculation function, you can change the temperature and humidity conditions are corrected immediately, so that more precise and stable temperature and humidity control. After the input data and test conditions, the controller has a screen lock function to avoid human touch and downtime.

Program has 120 groups, each 99 segments, each cycle can capacity 999 steps, each time setting a maximum of 99 hours and 59 minutes.

With RS-232 or RS-485 communication interface, the program can be designed on a computer, monitor the testing process and execute Switcher, print curve data and other functions.

The controller has a screen automatic screen saver function, in the long run the state better protect the LCD screen (make it longer life).
In the operation or setting, such as when an error occurs, an alert will provide fast number.

Temperature and humidity sensors

Imports of platinum resistance PT100Ω/MV

Heating system

Fully independent systems, nickel-chromium alloy stainless steel heater electric heating

Circulatory system

Temperature low-noise air-conditioning motors. Multi-leaf stainless steel centrifugal wind wheel

Humidification system

External isolated, stainless steel boiler-type stainless steel surface by evaporative humidifier

Dehumidification System

Using the dew point temperature of the evaporator coil-contact stainless steel laminar flow humidifier

Water supply system

Humidifier water supply automatic control and recyclable than water, saving water



Cooling System

Solenoid valve / Electrical

Castel properly / Schneider and Omron

Dry filter


Expansion valve

American Ai High "

Refrigeration Compressors

All imports of semi-enclosed Germany Copeland


Cascade refrigeration, single-stage cooling


Air cooled or water-cooled








Carton Material

Chamber body base with 8 # channel welded into an intensive framework conditions in order to be able to withstand in the horizontal chamber body weight and personnel of the specimen, without generating chamber bottom surface uneven and cracking. Withstand the force of 200kg / per square meter
Laboratory chamber body [body (shell)] is divided into six rooms and one pair of decent rooms open door body, the size of 1800 × 2000 mm, chamber liner material is high quality stainless steel (to prevent long running in humidity under the inner wall of rust), outside the gall of quality steel (domestic brand), polyurethane insulation medium is rigid foam insulation, light resistance, fight, good insulation, doors made of the same material as the color steel door inside and outside handle open type, in order to test personnel from the freedom to open the door to the room closed.

Within the box material

SUS304 stainless steel high-quality light board

Insulation Material

Polyurethane rigid foam, ultra-fine glass fiber cotton

Door insulation

 Double resistant to high temperature aging silicone rubber door seal

Observation window

The bright lights to keep the box, and the use of heating element embedded glass, clear observation box at any condition. Observation window size: 400 * 500mm

Standard configuration

 Test leads holes φ50mm1 months (openings available upon request)


Leakage, short circuit, over temperature, motor overheating, over-pressure compressor, overload, over-current protection

Supply Voltage

AC380V±10% 50Hz

Standards compliant

GB10592-89 high-temperature test chambers
GB10586-89 damp heat test chambers
GB2423.1-2001 high-temperature test A test method
GB2423.2-2001 Low Temperature Test Method B test
Heat test method GB2423.3-93 test Ca constant
GB2423.4-93 Test Db


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