Fire Truck & Emergency Vehicle Applications Using Universal Level Sensors

Specialized transmissions are needed for most emergency vehicles. They are designed to perform in tough environments under extreme circumstances. With advanced features such as power take-off and multiple reverse gear-sets, it is important to reliably monitor and maintain proper transmission fluid levels to ensure optimal performance and power. This requires a rugged, reliable sensing solution with long life to handle the conditions often present with the operation of these critical life-saving vehicles.

Application Challenge:

Monitoring optimum transmission fluid level real-time is necessary between regularly scheduled preventative maintenance checks. The transmission fluid cools, lubricates, and transmits hydraulic power, so it is important that the proper fluid level be maintained at all times. This is accomplished using an electronic sensor. Typical sensor technologies like electro-optic and ultrasonic are susceptible to coating or build-up. This affects reliability and can produce false or absent signals. Electro-optic and Ultrasonic sensor technologies both require the sensing elements be clear of build-up and coating. They may produce a false positive or false negative signal depending on their ability to accurately detect the actual fluid level given the condition of the prism (electro-optic) or probe (ultrasonic).

Ultrasonic and Electro-Optic Sensor Tips


Application Solution:

Gems Sensors’ NEW ULS-100 Universal Level Sensor

The Universal Level Sensor tolerates coating and build-up with a flush, PBT/PC blend sensing face. Its compact, rugged construction features a durable IPX7 & IP6k9k sealed design and a wide temperature range for use in harsh environments. It was developed for reliable, uninterrupted operation in extreme aqueous, oil, and hydrocarbon applications.




Features & Benefits: 

  • Durable sealed design – IPX7 & IP6k9k
  • High-pressure range
  • Developed for the most rugged aqueous, oil, and hydrocarbon applications
  • Tolerates coolant coating – no false triggers due to old, dried on fluid
  • Wide temperature range
  • Small size – under 3˝ (75 mm) total length

Learn more about our ULS-100 >    Get help with your Application now! >