The self-contained, battery-powered transmitter and sensor combination delivers unrivaled performance, reliability, and accuracy, and is made to thrive under extreme outdoor conditions.

All OleumTech Resistive Levels Sensors offer industry-leading 3-in-1 monitoring capabilities of product (oil), interface (water), and temperature from a single instrument. 

Ordering the transmitter head with the “D” option provides one additional discrete input, giving you a total of 4-in-1 monitoring capabilities.

The WT-LL3-T and WT-LL3-DT options are compatible with the 1/4” resolution sensors providing API 18.2 compliance for handling custody transfer applications while the WT-LL3 and WT-LL3-D work with 1/2” resolution sensors. 

A single, replaceable battery pack powers both the transmitter and sensor and can last up to 10 years.

The field-proven wireless level transmitter 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.

OleumTech wireless level transmitters are certified for use in Class I, Division 1 (Zone 0) hazardous locations.  

They are Intrinsically Safe, designed not to cause a spark and can be serviced without being removed from a process.

This product is also available without a local display.

This product is also available in a hardwired version.

The Resistive Level Sensors are ideal for use as oil level sensors, water level sensors for storage tanks that contain either or both liquid densities. 

These level instruments are widely used in oil production tank batteries, condensate tanks, water treatment centers, petrochemical and chemical-making plants, wastewater handling and storage facilities, refineries, and power generating plants.