PMC Engineering

STS PTM/N/RS485 Rangeable, 4-20 mA Depth/Level Transmitter

STS PTM/N/RS485 Rangeable, 4-20 mA Depth/Level Transmitter

The PTM/N/RS485 series  is an outstanding transmitter and part of a range specifically designed for the measurement of depth and level in water, wastewater and tanks. The series 44 offers RS485 (Modbus) protocol together with a 4-20 mA, 2-wire configuration for both level and temperature. It is rangeable to 25% of the specified FS. Features such as Kevlar strengthened cable, titanium, ballast weights, dataloggers, etc. broaden the installation opportunities.


  • Fully Submersible, 1" Diameter
  • Ranges: Scale (Zero based) 0-40" WC to 0-360 psig other ranges and pressure units can be specified
  • Rangeable to 25% of specified FS
  • Accuracy: 0.1% & 0.25%
  • Material: 316L SS or Titanium
  • Output: RS485 & 4-20 mA

Typical Applications Include:

Tank level measurement - Deep wells, lakes, dams, bore holes and reservoirs - Surface water, irrigation canals and rivers - Wastewater and sewage treatment plants

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