Connected to the discharge waterway of an inverter pump, and applies electricity to the rotational speed control circuit
This sensor controls a pump's rotational speed to the keep discharge pressure consistent

Basic Characteristics

Product summary

Pressure sensor

Product purpose

Pressure control for inverter pumps

Intended use

Automatic water pumps for apartments and buildings, and compact pumps

Operating type

Its detector that uses semiconductor pressure sensors and its built-in electronic circuit convert pressure changes in fluid into voltage or current output signals.

Compatible standard

RoHS compliant

Mechanical Characteristics

Outer dimensions


Case material

Case: ABS
Base: PP
Flange: Dezincification brass

Operating temperature range


Connection terminal type

R3/8 (PT3/8) female screw

Product mounting method

Pressure: Tighten the R3/8 (PT3/8) thread to a male screw
Electricity: Housing VHR-4N (JST)

Electrical Characteristics

Rated voltage

Voltage output type: 9 to 13.2 VDC
Current output type: (3-wire) 12 to 24 VDC

Withstand voltage

1800 VAC for 1 second

Insulation resistance

500 VDC megohmmeter
100 MΩ or higher

Characteristics Unique to This Product

  • Output voltage 1 to 5 VDC, or output current 4 to 20 mA DC
  • Pressure resistance: 3 MPa
  • Load resistance Voltage output type: 5kΩ or higher Current output type: 200Ω or lower
  • Current consumption Voltage output type: 18 mA or less Current output type: 40 mA or less
  • Accuracy ±1.5% F.S or less (25°C) ±3% F.S or less (-10°C to 70°C)
  • Impressed pressure 0 to 0.98 MPa
  • Endurance: 2 million cycles