Dwyer TFM-LP Series Liquid Turbine Flow Meter utilizes a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC and pulsed output signal for recording and data logging. A power adapter or mating cable assembly is required for operation.

Turbine sensors with electrical transmission output for remote indication of liquid flow rate. Dwyer turbine flow transmitters are suitable for a wide variety of industrial, commercial, and laboratory flow applications. A power adapter or mating cable assembly is required for operation.

Dwyer TFM-LP Series Features

  • Rugged 316 SS body
  • High repeatability with patented microturbine design
  • Design accurately measures flow rates with no zero drift and no required maintenance


  • Industrial flow monitoring
  • Commercial systems
  • Laboratory equipment
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Dwyer TFM-LP Series Specification

Service Clean liquids compatible with wetted materials.
Wetted Materials 316 SS, acetal, sapphire, glass, epoxy, and fluoroelastomer.
Accuracy ±1% of FS.
Linearity ±1% of FS.
Repeatability ±0.2% of FS.
Temperature Limits 41 to 131°F (5 to 55°C); Storage: 32 to 158°F (0 to 70°C); Sensitivity: ±0.2% of FS per °C.
Pressure Limits 500 psig (34.5 bar).
Process Connection Compression fitting
Power Requirements 11.5 to 15 VDC.
Power Consumption 35 mA @ 12 VDC.
Output Signal 0 to 5 VDC: Minimum 2.5 kΩ load; Pulse: 7.5 VDC peak buffered square wave.
Electrical Connections Four-pin power and signal connector. A power adapter or mating cable required for operation.
Enclosure Rating IP10 (NEMA 1).
Weight 0.86 lb (390 g).
Agency Approvals CE.

Download Data Sheet: Series TFM-LP Liquid Turbine Flow Meter

Ref: dwyer-inst.com