Usage Tips:SINOTIMER MH0302 Intelligent High Precision Temperature Humidity Controller Digital Display Temperature and Humidity Meter1. Operating power: AC220V, 50HZ2. Power consumption: less than 2W3. Resolution: 0.14. Setting temperature: -40.0-120 degrees Celsius5. Setting humidity: 0-99.9%6. Basic error: temperature: less than 0.5% FS; humidity: less than 4.5% FS7. Display device: LED (0. 56 inch)8. Control output: AC250V 3A (resistive load) 9. Operating environment: -10 - 50 degrees Celsius, 45-85% RH10. External size: about 7.2 x 7.2 x 8cm11. Opening size: about 6.8 x 6.8cmMain uses:1. Apply to the baking room, grain depot, warehouse, machine room, breeding, textile industry and other need for automatic dehumidification or humidification and automatic temperature exhaust or heating occasions2. Suitable for automatic heating and dehumidification of outdoor terminal box and distribution box, preventing all kinds of malfunctioning accidents caused by creepage between terminals3. Suitable for automatic heating and dehumidification of indoor high-voltage power distribution equipment and high-voltage switch operating mechanism, automatic heating in low-temperature environments to prevent switch malfunction caused by insulation creepage and mechanism failure in low-temperature environments4. Apply to the switching mechanism box, trolley type switchgear, medium-set cabinet, box transformer and other equipment in the box for a number of parts of the moisture-proof, low-temperature on-line monitoringFeatures:1. Real-time display of temperature and humidity, optional modules can realize the temperature and humidity transmission output and RS485 communication function2. Using high-performance, high-precision, corrosion-resistant, long-life digital temperature and humidity sensors, wide measurement range, good linearity, can work reliably for a long time in a variety of environments3. Sensor with 4 wires for temperature and humidity signal transmission, the distance between the sensor and the instrument can be within