U3M-148 Ultrasonic Level Sensor (1" NPT)
Compact ultrasonic level sensor—4–20 mA output, self-cleaning, and push-button programmable for small tank applications.
Compact ultrasonic “mini probe” ideal for drum or small tank level monitoring
0.03″ resolution 4–20 mA output with onboard push-button calibration
Self-cleaning, temperature-compensated design with optional RS485 or relay outputs
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The U3M-148 Ultrasonic Level Sensor is a compact, non-contact solution for continuous liquid level measurement, making it ideal for vented tanks and drums. It offers high-resolution, analog 4–20 mA output with onboard push-button calibration—eliminating the need for software. Designed for challenging environments, its ultrasonic pulse technology features a self-cleaning sensor face, temperature compensation, and echo filtering for reliable performance. With a sensing range of up to 6 feet and plug-and-play installation via a 1″ NPT mount, it supports optional RS485 networking or relay control for expanded capabilities.
| Sensor Type | Ultrasonic |
|---|---|
| Mounting Type & Size | 1" NPT |
| Resolution | 0.03” / 0.7mm |
| Input Voltage | 12-30V DC, R load = (Vs-6)/24 mA |
| Electrical Ratings | 4-20mA |
| Temperature (Max-Celsius) | 60 |
| Temperature (Max-Fahrenheit) | 140 |
| Maximum Pressure (BAR) | 5 |
| Maximum Pressure (PSI) | 72.5 |
| Output (Linear) | 4-20 mA |
| Electrical Termination | 60”, 24 AWG, 3 pair; relay option requires 18 AWG, 3 conductor |
| Approvals | CE |
| Lead Time | 1 Business Day |
| Warranty | 1 Year |