KTH400 Temperature And Humidity Transmitter Product Overview The KTH400 Temperature and Humidity Transmitter is designed for precise environmental monitoring in various industrial and commercial applications. Measurement Media Air, neutral gases, dry gases, and other gases Range Temperature: -30℃ to +70℃Humidity: 0 to 100%RH Output Signal 4-20mA, 0-5V, 0-10V, RS485 (Modbus RTU) Power Supply 16-30VAC/DC Accuracy Temperature: ±0.3℃Humidity: ±3% Protection Rating IP65/NEMA4