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Universal Ultrasound Sensors – UltraTrak 850S

Smart Analog Sensor designed and optimized to work for applications such as valve leak detection and steam trap monitoring

  • Inspect Any Type of Steam Trap and Valve
  • Continuously Monitor Turbulence Caused by Steam Trap Operation or Valve Leakage
  • Works with Any 0-20mA Measurement System Such As PLC, DCS, and SCADA
  • Process Efficiency & Cost Reduction
  • Increase Safety

Why Use Ultrasound for Steam Traps & Valves?

When valves or steam traps leak or fail, it can be extremely costly in terms of product quality, safety, and energy loss. Issues such as safety, manufacturing efficiency, preservation of condensate return lines, and cost reduction can be greatly compromised if left ignored which will lead to problems such as:

  • Water hammer can cause serious damage to your equipment and people
  • Incorrect and dangerous temperatures
  • Water in pipes will cause rusting
  • Partial leaking traps wasting energy consumption that costs in excess of $10,000 per year

What Are the Advantages of Using the UltraTrak 850S Ultrasound Sensor?

Ultrasound is the most versatile and easiest technology to implement for predictive maintenance. When it comes to applications, it is an easy technology to understand. As we are being driven toward “putting sensors on everything,” it is important that we are not only pulling frequent, up-to-date data from these sensors but that we can also understand what this data means. If we can understand what the data means, then we know what our next steps should be to prevent a potential failure.

Some of the primary benefits of the UltraTrak 850s Ultrasound Sensor are:

Installation with Ease – The sensor comes with a simple, three (3) wire installation and a removable cable attachment for seamless placement

Leverage your Existing System – Easily connects to your existing PLC, SCADA, DCS, or other plant technology and can be achieved with little technical intervention

No Adjustments – The sensor comes with a patented auto-sensitivity adjustment feature, removing manual adjustment tasks associated with other sensors

Time to Value – Using a trend table time series value, understanding the condition of your assets, and setting alerts is a quick and easy way to start gaining immediate value

Unrivaled Measurement Range – With a full measurement range of 0-100dB, the sensor is built to support most steam traps and valve leak applications

Why Invest in the UltraTrak 850S Ultrasound Sensor?

The UltraTrak 850S Ultrasound Sensor gives maintenance and reliability teams an easy way to incorporate the power of ultrasound into their existing monitoring technology. The sensors can be installed and connected within 10 minutes and begin trending real-time data immediately. With the amount of time that is usually spent trying to manually locate leaks or issues, shutting down your area, and repairing your systems, it won’t take long for you to begin gaining immediate value with this sensor.

Specifications overview Universal Ultrasound Sensors – UltraTrak 850S

Power Supply Voltage
23 VDC to 26 VDC
Power Supply Current Draw
30mA DC Max, Typical
Current Output Type
Milliamp DC, Demodulated/Heterodyned
Current Output Compliance Voltage
3.3 VDC
Current Output Response
Linear, Proportional to 0 dB to 100 dB of Change in Detected Ultrasonic Signal
Current Output Range
0.500 mA DC to 16.280 mA DC @ 0.158 mA/dB of Change in Detected Ultrasonic Signal, Typical
dB Output Transfer Function
dB Output = + 6.321 x (Current Output Reading), mA DC - 2.917 dB
Current Output Accuracy
Less Than ±1 dB of Reading, Typical
Ambient Operating Temperature Range
Standard Range = -20 °C to +60 °C , Extended Range = -30 °C to +80 °C (Requires High Temperature Cable)
Current Output (Temperature)
+2 dB @ - 20 °C, -2 dB @ +60 °C, Typical
+3dB @ -30 °C, -4 dB @ +80 °C, Typical
Sensitivity Adjustment
Automatic, Thru the 0 dB to 100 dB Output Range
Connection Cable
3 Wire with Shield Removable (Different Lengths Available)
Cable Lengths
Different Lengths Available
Cable/Housing Connector
Harsh Environment, Meets or Exceeds IP67 and NEMA 6P
Cable/Housing Shielding
Stainless Steel, Water Resistant and Dust Proof, Meets or Exceeds IP67 and NEMA 6P
Method of Attachment
10/32 Mounting Hole

Brochures & Manuals

Optional Accessories

isolation-y accessories uesystems


Mounting kit for thermal isolation, suitable for Ultra-Trak 750 and RAS sensors.


This product is suitable for

Steam Trap & Valve Inspection

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Bearing Inspection & Lubrication

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