Mil-Spec Ground Vehicle Liquid Level Sensor with Custom Contour

A robust, solid-state capacitive liquid level sensor designed with custom contour bend for simple installation. IP69K rated.

  • Accuracies of ±1% of reading (±0.5% accuracy variants available)
  • Stainless steel construction
  • Analog 0-5V and CAN outputs available
  • -40°C to +125°C operating temperature range (-55°C to +150°C option available)
  • Ingress Protection up to IP69K rated for extreme environments
  • MIL-STD EMC Certified to MIL-STD-461G and RCTA DO160F



Designed with a custom contour shape for easy installation within defence ground vehicles that have non-linear tanks, the LSM500-IP69K is a highly accurate liquid level sensor engineered specifically for fuel, oil, water or coolant measurement within military applications. Featuring stainless steel construction and with an ingress protection rating of IP69K, the LSM500-CONTOUR is built for durability in high shock and vibration environments.

Reventec’s solid-state sensors provide powerful vehicle health monitoring and analysis of critical components to offer predictive vehicle maintenance, reduce vehicle downtime and prevent unexpected breakdowns in combat zones. Delivering continuous, real-time readings for ultimate vehicle deployability and operational readiness, the LSM500-CONTOUR features an SAE 5-bolt mounting pattern for secure fitment to the exterior of liquid tanks. The liquid level sensors are manufactured to length for easy installation and are available in custom sizes up to 700mm long.

Boasting advanced accuracies of up to ±0.5%, the LSM500-CONTOUR offers analog 0-5V, CAN or both outputs directly from the coolant level sensor as integrated electronics within the sensor head, allowing for extremely accurate readings without the need for external CPU processing. Both the probe and electronics have a high operating temperature of -40°C to +125°C, with -55°C to +150°C temperature variants available. Certification to MIL STD 461G and RCTA DO160F available.


EMC Approvals

EMC approvals for this device includes: MIL STD 461G Army Ground Limits: CS114, CS115, CS116, RE102, RS103, RS101, CE102, CS101, RTCA DO160F: Section 25 ESD Cat. A


Output Options

Output options include:

  • Analog 0-5V (typically calibrated 0.25V empty, 4.75V full)
  • CAN and Analog 0-5V
  • CAN only


Accuracy Options

The LSM500-CONTOUR is available in two accuracy specifications:

  • ±1% accuracy of reading
  • ±0.5% accuracy of reading

Calibration of each sensor is made in the intended fluid for superior accuracy.


LSM Capacitive Liquid Level Sensors

The LSM500-CONTOUR is a capacitive liquid level sensor in our military product range, equipping ground vehicle and UAV manufacturers with real-time measurement of vital vehicle components. Reventec has vast experience over the past decade delivering highly customised sensor solutions to our customers and have the expertise to design and build sensors to fit specific spatial constraints, liquid type requirements, connector and cabling requirements. Please contact us to discuss your requirements with a member of our team.

Defence Vehicle Health Sensors

The LSM500-CONTOUR is a capacitive liquid level sensor in our military product range, equipping ground vehicle and UAV manufacturers with real-time measurement of vital vehicle components. Discover how we help our customers to defend for longer in a variety of applications:

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