RTD Transmitter (RT1 & RT2) - Highly Reliable, Accurate Wireless Temperature Sensor/Transmitter.

RT1 & RT2 are ideal for monitoring air, gas, water, or liquid temperatures with high accuracy of ±0.1 °C. The RT1 direct mount version includes a 4-wire Platinum 100 ohm sensor where users can select the length ranging from 2 to 18 inches. It supports temperature ranging from -65 °F to 500 °F (-55 °C to 260 °C).