Walk-in constant temperature and humidity tester Description: 
 Walk-in constant temperature and humidity tester uses: 
 Walk-in constant temperature and humidity tester for whole or large parts too low temperature, high temperature, high and low temperature changes, constant heat, high and low temperature heat testing. 
 Description: 
 Studio according to the user to change the size and function 
 Fight block box, nice shape 
 Science duct design to meet the different needs of customers 
 Touch screen, PLC programmable controller 
 Performance and Characteristics: 
 1, with a very wide range of temperature and humidity control, can meet user needs. Unique way of balancing humidity thermostat, access to safe, accurate temperature and humidity environment. A stable, balanced heating, humidification performance, high-precision, high stability of temperature and humidity control. 
 2, equipped with high-precision intelligent thermostat, temperature and humidity with LED digital display (can also be replaced according to the needs of users in Japan OYO new LCD display 5461 or 7751 so the whole LCD programmable control instrumentation.) Optional temperature and humidity recorder. 
 3. According to the functional needs, and optional remote control of computers. 
 4, the refrigeration circuit automatically selected, with the temperature controlled device settings with automatic selection of performance running refrigeration circuit to achieve high temperature refrigerator under the direct start, direct cooling. 
 5, the inner door with large viewing window for easy observation of test status for the test samples. 
 6. Equipped with advanced security, protection - leakage circuit breakers, over-temperature protection, and lack of protection, water protection device 
 Main technical parameters: 
 Test method standards: GB2423.1-89, GB2423.2-89, GB / / T2423. 
 4-93, GB2423.22-87Nb, GB2423.34-86, GJB150.9-86 
 Studio Nominal capacity: 0.5,1.0,2 ,...... 25,30,40 m 
 Temperature limit: 100 ℃ 
 Temperature limit: -70 ℃ 
 Temperature deviation: ± 2 ℃ 
 Temperature Fluctuation: ± 0.5 ℃ 
 Humidity range: 30-98% 
 Humidity tolerance: +2 / -3% 
 Heating time: from -55 - +85 ℃, the average 5 ℃ / min, 10 ℃ / min, 15 ℃ / min 
 Cooling time: +85- -55 ℃, an average of 5 ℃ / min, 10 ℃ / min, 15 ℃ / min 
 Cooling: water cooled 
 Controller: Chinese LCD touch screen temperature controller, PID control algorithm 
 User program capacity: 30, less than 300 steps 
 Compressor: Copeland compressor, Germany 
 Security measures: temperature limit control, over-pressure compressor, compressor overload, short circuit the heater 
 Optional parts: recorder, computer