Alcor By Tempest 2-1/4 CHT / CHT Meter Type J FAA PMA

Part# 10-00127
MFR Model# 46127


Alcor gauges are aircraft quality gauges which will provide precise monitoring of engine temperatures. PMA/FAA approved.
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WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • The best value in the industry backed by a generous 3 year warranty
  • Increase the life of your engine and enhance safety through proper monitoring
  • Intended for use on twin engine aircraft and calibrated to true temperature—500 degrees Fahrenheit at 8 Ohm
  • Designed to provide temperature compensation for accurate readings year round, on the ground and at altitude
  • No risk of malfunction during electrical failure—requires no external source of power for operation
  • All necessary mounting hardware included
  • Alcor instruments are designed, manufactured, and supported in the U.S.A.


  • Type: J – Black and Yellow
  • Size: 2-1/4" diameter
  • Resistance: Scale 500F at 8 Ohm
  • Weight: 0.2 lbs
  • Alcor P/N: 46127
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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Is this egt gauge certified as a Primary instrument

This is a CHT gauge and it is FAA/PMA approved and can be used as a primary instrument.

Q: Are the J probes included with the instrument, or are they sold separately?

This is the instrument only. Probes must be purchased separately.

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