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Keller Series 7LHP Piezoresistive OEM High Pressure Transducer

The 7LHP Series are high pressure transducer with a robust stainless steel housing for optimum long-term stability for a wide range of OEM applications. The transducers includes a robust and corrosion-resistant front-flush diaphragm welded with no gaps and an insulated piezoresistive pressure sensor encapsulated in an oil-filled metal housing with O-ring and support ring. Transducers are available with Stainless Steel, Inconel and Titanium for operating pressures up to 2,000 Bar and temperature for up to 180°C. Low power consumption: 1mA (Max 3mA) and typical output signal range of 160mV/mA. Transducers supplied with calibration sheet.

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Series 7LHP OEM High Pressure Transducers

Description

Features

  • High long-term stability
  • Robust housings made from Stainless Steel, Inconel or Titanium
  • Front-flush diaphragm welded with no gaps
  • High operating temperature up to 180°C
  • Optimised thermal behaviour

Specifications

Pressure Range Burst Pressure Sensitivity (mV/(mA x Bar)
PA PAA Min Typical Max
0 to 100 Bar 250 Bar 1.20 1.60 2.00
0 to 160 Bar 400 Bar 0.75 1.00 1.25
0 to 250 Bar 625 Bar 0.48 0.64 0.80
0 to 400 Bar 1,000 Bar 0.30 0.40 0.50
0 to 600 Bar 1,500 Bar 0.20 0.267 0.333
0 to 1,000 Bar 2,200 Bar 0.12 0.16 0.20
0 to 1,600 Bar 2,200 Bar 0.075 0.10 0.125
0 to 2,000 Bar 2,200 Bar 0.075 0.10 0.125

Diagram

Customer Specific Options

  • Custom Pressure Ranges
  • Custom Temperature Ranges between -55 and +180°C
  • Custom Mathematical Modelling
  • Electrical Connection with Silicone Wires
  • O-Rings made of Other Materials
  • Other Oil Filling type for Pressure Transducers: eg. Special Oils for Oxygen Applications.
  • Modifications to Customer Specific Applications

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