SINOTIMER MH0302 Intelligent High Precision Temperature Humidity Controller Digital Display Temperature and Humidity Meter 1. Operating power: AC220V, 50HZ 2. Power consumption: less than 2W 3. Resolution: 0.1 4. Setting temperature: -40.0 to 120 degrees Celsius 5. Setting humidity: 0 to 99.9% 6. Basic error: temperature: less than 0.5% FS; humidity: less than 4.5% FS 7. Display device: LED (0.56 inch) 8. Control output: AC250V 3A (resistive load) 9. Operating environment: -10 to 50 degrees Celsius, 45 to 85% RH 10. External size: approximately 7.2 x 7.2 x 8cm 11. Opening size: approximately 6.8 x 6.8cm Main uses: 1. Applicable to baking rooms, grain storage, warehouses, machine rooms, breeding facilities, textile industry, and other environments requiring automatic dehumidification or humidification, as well as automatic temperature exhaust or heating 2. Suitable for automatic heating and dehumidification of outdoor terminal boxes and distribution boxes, helping prevent malfunction incidents caused by terminal creepage 3. Suitable for automatic heating and dehumidification of indoor high-voltage power distribution equipment and high-voltage switch operating mechanisms; provides automatic heating in low-temperature conditions to prevent insulation creepage and mechanism failure 4. Applicable to switch mechanism enclosures, trolley-type switchgear, medium-voltage cabinets, box transformers, and similar enclosed equipment for moisture protection and low-temperature monitoring Features: 1. Real-time display of temperature and humidity; optional modules support temperature and humidity transmission output and RS485 communication capability 2. Utilizes high-performance, high-precision, corrosion-resistant, long-life digital temperature and humidity sensors with wide measurement range and good linearity, ensuring reliable long-term operation in various environments 3. Sensor uses 4-wire signal transmission for temperature and humidity, allowing extended distance between sensor and instrument