Battery-Powered Self-Contained High Level Detection Solution



  • Single or dual actuation (high / high-high)
  • Switch of desired length sold separately
  • 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

High and High-High Level Detection

The OleumTech® “HLT” High Level Switch Transmitter provide two actuation points for detecting high and high-high liquid level conditions. The Transmitter can also report transition counts. This top tank mounting Transmitter is designed for use with an OleumTech high level switch. The level switch is sold separately so that users can select the desired length and choose single or dual actuation option. The HLT utilizes on-delay exception reporting method and users can set the debounce filter ranging from 20 ms to 2000 ms to control just when the high level detection occurs. As a safety measure, regardless of state change, this device reports to the wireless gateway every five minutes. This ultra-low-power transmitter is 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.