Make | Series | Model | Beginning S/N | Ending S/N | Eligibility Chart |
---|---|---|---|---|---|
Many | Many | Many | 0 | ZZZZZZZZZZZZZZZ | 6630 |
Alcor EGT and TIT Thermocouple Probes
Alcor EGT probes are accurate +/- 25 deg at 1500 deg F. Includes fire sleeve and ring terminal hardware.
Screw-In Mount:
This option provides the neatest installation. Many engines now come with a hole already threaded for a screw-in probe. If not, threaded weld boss P/N 28113 can be purchased to retrofit an engine. Alcor screw-in probes are available in 7/16"-20 UNF thread common in Continentals or 1/4"-18 NPT common in Lycomings. Some probes are available with adjustable depth to accommodate different weld boss heights. The probe tip should be 3/4" into the tube. Screw-in probes are also available with a 90 deg bend or an 8 deg bend to allow for an engine design that will not accommodate the straight-in type.
P/N |
Description |
Thermocouple Type |
Mount |
Grounded or Ungrounded |
Stagger |
Resistance |
86143 * |
EGT/TIT Probe |
K - Red and Yellow |
Screw-in, 1/4" NPT |
Grounded |
Normal |
0.89 +/- .10 Ohms |
86160 ** |
EGT/TIT Probe |
K - Red and Yellow |
Screw-in, 7/16"-20 |
Grounded |
Reverse |
0.70 +/- .10 Ohms |
86161 * |
EGT/TIT Probe, 90 deg bend |
K - Red and Yellow |
Screw-in, 1/4" NPT |
Grounded |
Reverse |
0.70 +/- .10 Ohms |
86230 * |
EGT/TIT Probe, 8 deg bend |
K - Red and Yellow |
Screw-in, 1/4" NPT |
Grounded |
Normal |
0.89 +/- .10 Ohms |
EGT/TIT Probe |
K - Red and Yellow |
Screw-in, 7/16"-20 |
Grounded |
Normal |
0.80 +/- .10 Ohms |
|
86245 ** |
EGT/TIT Probe, 11.56" |
K - Red and Yellow |
Screw-in, 7/16"-20 |
Grounded |
Reverse |
0.70 +/- .10 Ohms |
86307 *** |
EGT/TIT Probe |
K - Red and Yellow |
Screw-in, 1/4" NPT |
Ungrounded |
Normal |
0.71 +/- .03 Ohms |
86308 *** |
EGT/TIT Probe |
K - Red and Yellow |
Screw-in, 7/16"-20 |
Ungrounded |
Normal |
0.71 +/- .03 Ohms |
86309 ** |
EGT/TIT Probe, Long Lead |
K - Red and Yellow |
Screw-in, 7/16"-20 |
Ungrounded |
Normal |
1.60 Ohms |
86341 * |
EGT/TIT Probe |
K - Red and Yellow |
Screw-in, 1/8" NPT |
Ungrounded |
N/A |
0.94 +/- .10 Ohms |
* Adjustable depth tip
** Built in radiator
*** Adjustable depth tip and built in radiator
Clamp Mount:
The is the most common option because installation is easy and no welding is required. A hole is simply drilled in the exhaust near the mounting flange. The probe is inserted in the hole and a hose-clamp style clamp secures it in place. Clamps are available in various sizes to accommodate different sized exhaust tubes.
P/N |
Description |
Thermocouple Type |
Mount |
Grounded or Ungrounded |
Stagger |
Resistance |
86226 * |
EGT/TIT Probe |
K - Red and Yellow |
Clamp, 3 1/4" Max |
Grounded |
Reverse |
0.70 +/- .10 Ohms |
86255 * |
EGT/TIT Probe |
K - Red and Yellow |
Clamp, 1 1/8" to 3 3/8" |
Grounded |
Normal |
0.80 +/- .10 Ohms |
86275 * |
EGT/TIT Probe, 13.8" |
K - Red and Yellow |
Clamp, 3 1/4" Max |
Grounded |
Normal |
0.80 +/- .10 Ohms |
86281 * |
EGT/TIT Probe |
K - Red and Yellow |
Clamp, 3 1/4" Max |
Grounded |
Normal |
0.85 +/- .10 Ohms |
86310 * |
EGT/TIT Probe |
K - Red and Yellow |
Clamp, 2.35" Max |
Ungrounded |
Normal |
1.60 Ohms |
86343 ** |
EGT/TIT Probe |
K - Red and Yellow |
Clamp, 3 1/4" Max |
Ungrounded |
Normal |
0.80 Ohms |
* Built in radiator
** Omega style male plug connector. Does not include fire sleeve.
For more information on probes, go to Thermocouple Probes.
ALCOR Instruments and Probes
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