Walk-in constant temperature and humidity test chamber Purpose and description: Suitable for low or large machine parts, high temperature, high and low temperature changes, constant heat, high and low temperature humidity test. According to user requirements change room size and function; touch screen, PLC programmable controller; pieces mounted cabinet, elegant design; scientific duct design, to meet different customer needs. Walk-in constant temperature and humidity test chamber performance and features: 1. Has and a wide range of temperature and humidity control, to meet the various needs of users. A unique way to balance temperature and humidity, access to safe, accurate temperature and humidity conditions. A stable, balanced heating, humidification performance, high-precision, high stability temperature and humidity control. 2. Assemble the intelligent high-precision temperature controller, temperature and humidity control with full LCD display 7751 Programmable Instruments (can be replaced Japan OYO LCD Programmable Instrumentation 5461 according to the needs of users). 3. Optional temperature and humidity recorder. 4. According to the function required, optional computer for remote control. 5. refrigeration circuit automatic selection, controlled device with automatic selection with the setpoint temperature of operation of the refrigeration circuit performance and achieve at high temperatures started directly refrigerator, direct cooling. 6. The inner door with large viewing window for easy observation of the test product test status. 7. Equipped with advanced safety devices ---- leakage circuit breakers, over-temperature protection, lack of protection, water protection. Design criteria: GB2423.1-89, GB2423.2-89, GB / T2423.3-93, GB / T2423.4-93, GB / 2423.22-87Nb, GB2423.34-86, GB / 150.9-86 Main Parameters: Studio Standard Volume: 0.5, 1.0,2, ...... 25,30,40 cubic temperature limit: 100 ℃ lower temperature: -70 ℃ temperature deviation: ± 2 ℃ temperature fluctuation: ± 0.5 ℃ Humidity range: 30 -98% RH humidity error: + 2 / -3% RH Heating time: Average 1 ℃ / min cooling time: Average 1 ℃ / min Cooling: Controller: Chinese LCD touch screen temperature controller, PID control algorithm user program capacity : 120 1200 Group segment (120group, 1200sections) security measures: temperature limit control, over-pressure compressor, compressor overload, short circuit heater power: 380V, 50Hz, three-phase five-wire Material: SUS # 304 Role: Program control temperature humidity