Constant temperature and humidity testing machine, high and low temperature test chamber, high and low temperature alternating test chamber This machine adopts high-stability platinum PT-100 temperature measurement resistor, LCD Chinese and English touch/touch screen, with multiple PID control functions, equipped with RS-232C/485C with computer interface control, can simulate high temperature and high humidity/low temperature and low humidity/high temperature/low temperature and other different environmental conditions, and is equipped with high-accuracy programming control and fixed-point control system that is easy to operate and learn, providing good test performance. It is widely used in industrial electronic appliances, military industry, plastics, hardware, chemical and other industries, such as: electronic parts, auto parts, notebooks and other products virtual climate environment testing. 【Relevant Standards】

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【Scope of application】: Constant temperature and humidity testing machine, high and low temperature test chamber, high and low temperature alternating test chamber This machine adopts high-stability platinum PT-100 temperature measurement resistor, LCD Chinese and English touch/touch screen, with multiple PID control functions, equipped with RS-232C/485C with computer interface control, can simulate high temperature and high humidity/low temperature and low humidity/high temperature/low temperature and other different environmental conditions, and is equipped with high-accuracy programming control and fixed-point control system that is easy to operate and learn, providing good test performance. It is widely used in industrial electronic appliances, military industry, plastics, hardware, chemical and other industries, such as: electronic parts, auto parts, notebooks and other products virtual climate environment testing. 【Technical Parameters】: 1. Temperature and humidity controller: LED display, 2. Resolution: 0.1°C, 1%, P.I.D control 3. Temperature range: 20°C ~150°C 4. Humidity range: 20~ 98%R.H. 5. Temperature and humidity accuracy: ±0.5°C, ±2.5%R.H. 6. Heating time: -20°C ~ 100°C takes about 35 minutes 7. Cooling time: 20°C ~- 20°C takes about 40 minutes 8. Inner box size: 40×50×40cm 9. Carton size: 92×160×87cm 10. Inner box material: SUS#304 mirror stainless steel 11. Outer carton material: SUS#304 stainless steel 12. Insulation material: hard foam 13. Refrigeration system: single-stage air-cooled imported fully enclosed compressor from Europe and the United States, environmentally friendly refrigerant 14. Protection device: compressor overload protection switch, refrigerant high pressure protection switch, ceramic fuse, water tray water shortage protection switch, electromagnetic switch, air incineration protection switch, alarm 15. Accessories: window, 2 upper and lower adjustable compartments, light in the box 16. Weight: about 95kg 17. Power source: 1∮, AC220V±10% 50/60Hz [Instrument model]:                        Product Code: YS751-III-80 YS751-III-150 YS751-III-225 YS751-III-408 YS751-III-800 YS751-III-1000 Internal volume (L): 80 150 225 408 800 1000 内尺（cm）H*W*D: 50x40x40     60x50x50       75x50x60     85x60x80       100x100x80     100x100x100 Temperature and humidity control: Balanced temperature and humidity control (BTHC) control system Working environment: +5°C~+35°C Heater: Nichrome alloy electric heating wire heater Humidifier: Surface evaporation Blower: Centrifugal fan Airflow mode: Wideband forced airflow circulation (up and out, in and out) Condensation method: air-cooled or water-cooled