86307 Alcor EGT/TIT Ungrounded, Screw-In 1/4″, Thermocouple Probe (Type K) | McFarlane Aviation

Please confirm the 86307 probe’s compatibility with your aircraft using these documents:

• Instruments, probes, and leads section of McFarlane Aviation catalog (PDF)
• Alcor EGT probe installation instructions (PDF)
• Alcor EGT CHT gauge installation instructions (PDF)

With Alcor’s blanket STC, p/n 86307 can replace many existing Screw-in Type K EGT/TIT probes, including old or obsolete part numbers.

Product Details:

• EGT/TIT Ungrounded Probe
• Thermocouple Type: K – Red and Yellow
• Mount: Screw-in, 1/4″ NPT
• Stagger: Normal
• Resistance: 0.71 +/- .03 Ohms
• Adjustable depth tip and built in radiator
• Replaces: 481-386, 86271
• Approved by: EASA-STC (European Union), FAA-PMA, FAA-STC (Modification Article)
• Manufactured by Alcor, Inc.

• Ungrounded probe designed to reduce electrical “noise” in digital indicators
• Small element diameter provides for near instantaneous instrument response
• Built in radiator minimizes the high temperature effects on internal spotweld connections
• Intended for use with Type K EGT or TIT instruments and leads
• Adjustable insertion depth enables a perfect fit
• Accurate to ± 25 degrees at 1500 degrees Fahrenheit
• PMA and FAA approved for all reciprocating powered aircraft
• Alcor probes are designed, manufactured, and supported in the U.S.A.