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Part Number: 46171
Description: CHT METER 2 1/4" TYPE J, CELSI
PMA Supplement ALC2
Qty per Aircraft:
Unit of Measure: EACH
Retail Price: $321.72
Inventory Status: 30 Days
Your Discount Price: $260.59

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Product Image

EGT in a Nutshell 

Indicates true temperature from 200-600 deg F or 100-300 deg C in 25 deg increments.

Installation Instructions



Compatible Thermocouple Type 


Calibration * 


CHT Gauge Celsius 

J - Black and Yellow 

2 1/4" 

250C @ 8.0 Ohms 


CHT Gauge 

J - Black and Yellow 

2 1/4" 

500F @ 8.0 Ohms 


CHT/CHT Dual Gauge 

J - Black and Yellow 

2 1/4" 

500F @ 8.0 Ohms


CHT/CHT Dual Gauge 

J - Black and Yellow 

3 1/8" 

500F @ 8.0 Ohms 

* Factory calibrated at the specified temperature for any Alcor type J leads and probes. 

Save with complete kits!


ALCOR Instruments and Probes

Don't waste your money on cheap instruments and probes. There is a big difference!
McFarlane is your lowest price and quickest source for Alcor products!

Increase engine life and enhance safety through proper monitoring

  • Faster responding probes than low dollar alternatives
  • Temperature compensated gauges for accuracy all year round at any altitude
  • Single gauges monitor one cylinder, dual gauges for twin engine aircraft monitor one cylinder per engine. Add a selector switch to make an economical full engine analyzer.
    Lighted gauges and custom dials also available!

Alcor: A name you can trust

  • Over 50 years experience - Designed, manufactured and supported in the USA
  • Generous warranty: 3 years for gauges, 5 years for grounded probes, 1 year for ungrounded probes
  • FAA-PMA/STC approved for all aircraft with reciprocating engines

Simple installation

  • No power required from the aircraft (lighted gauges require power)
  • Works even with an electrical failure
  • Great for homebuilt or antique aircraft with no electrical system
  • Gauges include all mounting hardware
  • Standard 2 1/4" or 3 1/8" gauge sizes


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