Overview
Constant temperature and humidity test box (WSS series) is a device for heat resistance, cold resistance, dry resistance, moisture resistance and other environment Reliability testing. Its model WSS-150T has an inner volume of 150L, a temperature control range of -20 ° C to 150 ° C, and a humidity control range of 20% RH to 98% RH, with accurate temperature and humidity control capabilities.
Features
1. The studio is made of SUS304 stainless steel and is equipped with a flat reaction handle.
2. The observation window adopts vacuum tempered Glass, which has the function of defrosting, which is convenient for real-time observation.
3. Built-in independent steam humidification system, uniform humidity.
4. Adopt a turbine centrifugal forced air supply system for better temperature uniformity.
5. Using the original imported Compressor, environmentally friendly R404 refrigerant, with liquid spray chilling down and liquid spray defrosting function, stable refrigeration.
6. Built-in pulley, easy to move.
7. Equipped with imported large-screen LCD touch controller, supports Chinese and English, program editing, real-time temperature Linear dispersion display, and has USB3.0 or RS485 interface for remote control.
8. Easy to operate, support fixed-value operation, regular operation, and automatic stop.
9. With dedicated function keys, auxiliary menu (over-rise alarm, deviation correction, menu lock).
10. Equipped with power-off protection, parameter memory, and call recovery functions.
11. With Compressor overload protection, scheduled start and stop, loop self-diagnosis, Sensor fault alarm, upper and lower limit over temperature alarm function.
12. Equipped with intelligent defrosting, monitoring timing, and over-lift preventer.
13. High security, integrated over-lift alarm, menu lock, over-lift prevention, overload protection, power failure protection and other multiple protections.
Principle
The equipment is heated by a nickel-chromium alloy electric heating wire heater and humidified by a stainless steel sheathed heater. The refrigeration system adopts a French Taikang or German BITZER Compressor and uses environmentally friendly refrigerants R404A and R23 to achieve cooling through air-cooled single-stage or cascade refrigeration. The air in the box is circulated by a centrifugal fan in a broadband forced airflow (up, out, down) to ensure uniform temperature and humidity. The control system collects data through a PT100 temperature sensor and an imported wet and dry bulb humidity Sensor, and the touch screen controller performs multi-stage program temperature control to achieve accurate environment simulation.
Applications
Reliability test of electronic products, weathering resistance test of materials, environmental adaptability assessment of parts, scientific research experiment
Standards
The data did not mention specific compliance criteria.
Steps
Connect the power supply (AC220V +/- 10% or AC380V/415V +/- 10%).
2. Set the required temperature and humidity program or select the fixed value/timing operation mode through the large-screen LCD touch controller.
3. Start the equipment, the equipment will automatically perform heating, cooling, humidification and other operations to achieve the set environment.
4. The experimental status can be monitored in real time through the observation window, and remote monitoring can be carried out using the USB or RS485 interface.
5. After the experiment is completed, the device can be automatically stopped according to the setting, or manually stopped.
Notice
Equipment should be installed in a well-ventilated, no direct sunlight, no strong electromagnetic interference environment.
Make sure that the water supply system (pump) is working properly before use to prevent dry burning or water shortage.
• Do not switch the Compressor on and off frequently, so as not to affect the service life.
When the equipment is running, do not open the box door frequently to avoid affecting the stability of temperature and humidity and increasing energy consumption.
• Regularly check and clean the condenser, filtrate net and other components to ensure heat dissipation and ventilating effect.
The equipment is equipped with multiple safety protections, but the operator still needs to pay attention to observe the operating status. In case of abnormal alarms, they should be investigated immediately.
• Non-professionals should not disassemble or modify the internal circuits and control systems of the equipment.
• When moving the device, use the built-in pulley to move smoothly to avoid violent vibration.
