Alcor by Tempest 86251 CHT Bayonet-Style Type J Thermocouple Probe

$139.61

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The Alcor by Tempest 86251 CHT Bayonet-Style Type J Thermocouple Probe is a grounded cylinder head temperature (CHT) probe designed for use with compatible Type J CHT instruments and leads in reciprocating aircraft.

The bayonet-style sensor provides secure, responsive cylinder head temperature measurement. Its small-diameter sensing element allows near-instantaneous instrument response while providing sufficient electrical output for compatible unamplified Alcor instrumentation.

Most engine cylinder installations require an appropriate bayonet adapter, such as Alcor 28202, to securely mount the probe.

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Features:

  • Cylinder Head Temperature (CHT) probe
  • Type J thermocouple
  • Bayonet-style mounting
  • Grounded sensor construction
  • 15″ lead length
  • Black and yellow Type J lead identification
  • Small-diameter sensing element for rapid temperature response
  • Designed for compatible Type J CHT instruments and leads
  • FAA-PMA / FAA approved for reciprocating-powered aircraft applications
  • Designed and manufactured in the USA

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Cross-Reference & Specifications:

  • Known to Replace: 216-3, P104, 763-503, 86211, AN5541-1, MS90324-1
  • Manufacturer: Alcor by Tempest
  • Part Number: 86251
  • Sensor: CHT
  • Thermocouple Type: J
  • Mounting Style: Bayonet
  • Grounding: Grounded
  • Lead Length: 15″
  • Lead Colors: Black / Yellow
  • Resistance: 0.24 ± 0.05 Ohm

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Note: Aircraft & instrument compatibility and cross-reference numbers should be verified using the applicable aircraft documentation, instrument manufacturer’s requirements, and approved installation data before installation.

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