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Quick Specs

  • Size:2-1/16" (52.4mm)
  • Type:Digital Stepper Motor
  • Range:0-2000 °F
  • Lighting:LED
  • Instructions: Download PDF


Watching your precise exhaust temperature can mean the difference between maximum performance and catastrophic engine damage. On high output diesel or forced induction applications, there are few gauges that are more critical. AutoMeter’s Digital Stepper Motor display combined with our high definition LED backlighting make viewing your exact exhaust temperature effortless. The included Type K thermocouple assures maximum accuracy and minimum response time. There is, quite simply, not a better measurement of your exact exhaust gas temperature available anywhere, for any price. A variety of included installation options and direct plug in harness simplify installation on any application.
Feature Points
  • 7 user selectable colors (blue, white, red, green, cyan, violet, and yellow) to match visual preferences of driver and visibility conditions
  • Built-in Pro-Control circuits with custom programmable activation & deactivation points for key functions like lights, fans, switches, & pumps allow drivers to focus on the competition while the gauges control key vehicle systems
  • Set custom alert High and Low points specific to your vehicle & receive full dial warning notification to highlight the need for driver attention
  • Acquire data for later review with one-touch Peak Recall functionality
  • Gauge kit includes Type-K Thermocouple, wiring harness, thermocouple installation kit, mounting hardware, and detailed instructions for installation
  • 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system
  • AutoMeter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
Ships With
  • 3256
  • Wire Harness: 5296
  • 2230
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm


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Can you use this gage in data acquisition on the Holley Dominator ecu?

Asked by: Ross M
This does not have a 0-5v analog output wire to datalog with.
Answered by: Steve from AutoMeter
Date published: 2020-06-03

Can I buy just the probe and wire harness for the elite pyrometer separate from the gauge?

Asked by: Ryan33
Hi Ryan, Our 5296 is the correct harness and thermocouple for this gauge: Thanks, Jim
Answered by: Jim from AutoMeter
Date published: 2020-06-07

How long is the probe wire harness? Can it be extended? What guage wire is used? I have to run it 35 ft. 

Asked by: T. Mann
Thank you for your inquiry. The thermocouple wire is 10 feet in length. The length cannot be altered without severely affecting performance of this gauge.
Answered by: Jim from AutoMeter
Date published: 2019-12-09

Does this come with a exhaust temperature sensor / probe?

Asked by: Edwin Heatwole
Hi Edwin, Yes, the 5645 includes the probe and wiring harness connection from the probe to the gauge. Thank you!
Answered by: Matt from AutoMeter
Date published: 2019-08-30

Does this item come with the pyrometer probe?

Asked by: Jsimon7
Thank you for connecting with us. Yes, the Elite Series Pyrometer is sold complete with the probe and harness.
Answered by: Matt from AutoMeter
Date published: 2020-04-11
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