Starting at $645.00
  • Usually ships in 6-8 weeks



  • 1.5m (4.9ft) and 3m (9.8ft) measurement ranges
  • 2in (5cm) beam width
  • Accuracy:
    • US01: 0.125in (3mm)
    • US03: ±0.2% of range
  • Resolution:
    • US01: 0.019in (0.5mm)
    • US03: 0.039in (1mm)
  • 500 ohms @ 24 VDC loop resistance
  • 14-28VDC supply voltage
  • -40° to 176°F (-40° to 80°C) process temperature
  • Type 6P (IP68) compact enclosure
  • CE and RoHS compliant


The Flowline EchoTouch US01 & US03 level transmitter is an intrinsically safe reflective ultrasonic level transmitter provides continuous level measurement up to 9.8ft (3m) with a 4-20mA analog signal output, and is configured via the Flowline WebCal software. The non-contact liquid level sensor features our proprietary Reflective Technology™ that delivers reliable level measurement in condensing environments. The US01 and US03 is ideal for small tanks with non-foaming or highly vaporous media such as chemicals, water, wastewater and oil.