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Home / Pressure Sensors / OEM Pressure Transducer / Keller Series 7LHP Piezoresistive OEM High Pressure Transducer
Keller Series 7LHP Piezoresistive OEM High Pressure Transducer

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.

Pressure Reference Pressure Reference

Materials Materials

Pressure Range Pressure Range

Diaphragm Oil Diaphragm Oil

O2 Cleaning O2 Cleaning

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    Datasheet

    Series 7LHP OEM High Pressure Transducers

    • Description

    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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