relative pressure transmitter / atmospheric / piezoresistive / digital

Add to MyDirectIndustry favorites
Compare this product
relative pressure transmitter / atmospheric / piezoresistive / digital relative pressure transmitter / atmospheric / piezoresistive / digital - LH840


  • Pressure type:

    relative, atmospheric

  • Technology:


  • Output signal:


  • Mounting:


  • Other characteristics:

    stainless steel, process, two-wire, sanitary, passive, for liquids and gases, for the food industry, for water treatment, IP68

  • Process temperature:

    Min.: -10 °C (14 °F)

    Max.: 80 °C (176 °F)

  • Pressure range:

    Min.: 0 bar (0 psi)

    Max.: 60 bar (870.23 psi)


The LH840 is an ideal pressure or level measurement solution for water or other liquids with low amounts of sediment. The LH840 features a 316SS piezoresistive sensor, 316SS body, a polypropylene vented cable. Pressure ranges from 0…1 bar to 600bar.

Optional Accessories:

TR202 Relay Digital readout + 2X active relays/ 1X F.S. Relay + passive 4…20mA out
CH65 Weatherproof Termination Box – Provides atmospheric venting with terminals for non-vented cable out

Application: Level Measurement for Liquids
Operating Voltage: 12...30Vdc
Consumption: Max 22mA
Output Signal: 4...20mA (2 wires) + HART protocol
Accuracy: 0.25%...0.5%
Sensor: 316S.S Piezoresistive Silicone or Olive oil filled (for sanitary application)
Measurement Range: 0 to 60 Bar
Electrical Connection: Armored Polyethylene cable with Polyurethane Vent Tube
Body Material: 316 Stainless Stel
Work Temperature: -10 to+80ºC / -10 to+70ºC (Compensated) / 0 to+80ºC / 0 to+70ºC (compensated) for Olive oil sensor
Protection: Polarity inversion and Power surges
Class Protection: IP68 (IEC 60529)

Water and Waste Water Utilities
Sump or River Level Monitoring
Sanitary Process Level Measurement
Food and Beverage applications
Pulp and Paper Industry

Other Sitron products