HKM-20-437 - Miniature High Pressure Pressure Transducer
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HKM-20-437

Miniature High Pressure Pressure Transducer


  • Excellent Stability
  • All Welded Construction
  • Robust Construction
  • Suitable For Shock Pressure Measurements
  • High Natural Frequency
  • 7/16-20 UNJF-3A Thread

The HKM-20-437 is a miniature threaded pressure transducer. The hexagonal head and o-ring seal make it easy to mount and simple to apply.

The HKM-20-437 utilizes a flush metal diaphragm as a force collector. A solid state piezoresistive sensing element is located immediately behind this metal diaphragm which is protected by a metal screen. Force transfer is accomplished via an intervening film of non-compressible silicone oil. This sensing sub assembly
is welded to a stainless steel body.


This advanced construction results in a highly stable, reliable and rugged instrument with all the advantages of microcircuitry: significant miniaturization, excellent repeatability, low power consumption, etc. The miniaturization process also yields a marked increase in the natural frequencies of the transducers, making them suitable for use even in shock pressure measurements.