Battery-Powered Self-Contained Temperature Monitoring Solution



  • “RTD” includes a 2” to 18” RTD sensor
  • “RTM” supports 2, 3, or 4-wire RTD sensors
  • ± 0.1 °C accuracy
  • Up to a 10-year battery life
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption

Works with a 2, 3, or 4-Wire RTD Sensor

The OleumTech® “RTD” and “RTM” Temperature Transmitters are ideal for monitoring air, gas, water, or liquid temperatures with high accuracy of ±0.1 °C. The RTD 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 temperatures ranging from -65 °F to 500 °F (-55 °C to 260 °C). The RTM multi-vendor version provides a junction box and wiring terminal board for accepting a third party 2, 3, or 4-wire RTD sensors. The temperature output can be reported in Fahrenheit, Celsius, or both. These ultra-low-power transmitters are powered by a replaceable battery pack that provides up to a 10-year life.

Reliable, Scalable and Safe

The field-proven wireless sensor node communicates with an assigned wireless gateway within the OTC Wireless Sensor and I/O Network creating a highly scalable network, accommodating virtually any I/O requirement. The OleumTech Wireless Transmitter is certified for use in Class I, Division 1 (Zone 0) hazardous locations. It is intrinsically safe, designed not to cause a spark, and can be serviced without being removed from a process.

This product is also available with a local display.