PMC Engineering
STS PTM/RS485 Programmable Pressure Transmitter Series

The PTM/RS485 series  is a fully digital programmable pressure transmitter providing the option of a 4-20mA analog output in addition to the standard RS485 MODBUS protocol. The transmitter offers the total accuracy of ≤ ± 0.15% FS including linearity, hysteresis, repeatability and thermal effects. The PTM also provides a precision temperature output thus offering a very high performance pressure/temperature sensor at a very affordable price.


  • Total Accuracy: ≤ ± 0.15% FS
  • Compensated temperature: -40 to 185°F 
  • Full scale ranges from 1 to 15,000 psi 
  • Gauge, absolute or sealed gauge
  • Turn down ratio 4:1
  • RS485 (digital) and dual 4-20mA signals

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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