Haltech HT-010867 1/4in open tip K-type thermocouple 55.5in
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Haltech 1/4in Open Tip K-Type Thermocouple - 55-1/2in Long (No Fitting Hardware)

Haltech
HALHT-010867
9356450001076
Programmer Accessories
20+ Units In Stock - Ships Next Business Day
$ 95.00
$ 95.00

Fast-Response EGT Sensing for Tuning and Monitoring

This is the Haltech 1/4in open tip K-type thermocouple, a 55-1/2in long exhaust gas temperature sensor built for naturally aspirated or forced induction applications. The open tip design reacts to temperature changes in roughly 200ms, making it well suited for real-time EGT monitoring during dyno tuning and calibration work.

Key Features

  • 1/4in open tip K-type thermocouple for fast EGT response.
  • 55-1/2in (1.41m) cable length.
  • Terminates into a Mini K Type connector for simple plug-in installation.
  • Suits naturally aspirated or forced induction applications.

Fitment

Application Requirements
Haltech engine management systems with a compatible thermocouple amplifier input Requires a Haltech TCA 2 or TCA 4 thermocouple amplifier, sold separately. Fitting hardware for exhaust installation is not included

Specifications

Detail Value
Brand Haltech
Sensor Type K-type thermocouple, open tip
Probe Diameter 1/4in
Cable Length 55-1/2in (1.41m)
Connector Mini K Type
Amplifier Required TCA 2 or TCA 4 (sold separately)
Fitting Hardware Not included
Response Time Approximately 200ms (open tip design)

What's Included

  • One Haltech 1/4in open tip K-type thermocouple, 55-1/2in length, with Mini K Type connector

About Haltech

Haltech designs engine management systems, sensors, and wiring components for performance and race applications, engineering its thermocouple lineup in multiple lengths and tip styles to match different EGT monitoring and tuning needs.

FAQ

Does this thermocouple include an amplifier?
No, a Haltech TCA 2 or TCA 4 thermocouple amplifier is required and sold separately.

Does this include fitting hardware for exhaust installation?
No, fitting hardware such as a weld-in boss is not included and must be ordered separately if needed.

What connector does this thermocouple use?
A Mini K Type connector.

What is the difference between an open tip and closed tip thermocouple?
An open tip sensor reacts to temperature changes in about 200ms, while a closed tip sensor reacts in about 800ms, making the open tip better suited for rapid changes like monitoring for misfires.

What applications is this thermocouple suited for?
Naturally aspirated or forced induction applications requiring EGT monitoring.

How long is the cable on this thermocouple?
55-1/2in, or 1.41 meters.

Can I use this thermocouple with any ECU?
It is designed to work with a Haltech TCA 2 or TCA 4 thermocouple amplifier feeding into a compatible engine management system.

What sensor type is used inside this probe?
A K-type thermocouple, made from Nickel-Chromium and Nickel-Alumel, with an operating range of approximately -200C to 1260C.

Installation Instructions

  1. Select a mounting location in the exhaust system appropriate for EGT measurement, typically near the exhaust manifold or collector.
  2. Install a compatible weld-in boss or fitting at the mounting location if one is not already present (sold separately).
  3. Insert the open tip thermocouple probe into the fitting and secure per the fitting manufacturer's instructions.
  4. Route the cable away from excessive heat sources and secure it to prevent chafing.
  5. Connect the Mini K Type connector to a compatible TCA 2 or TCA 4 thermocouple amplifier.
  6. Configure the input type as Thermocouple - Type K in the engine management software before use.

Request For Information

Have questions about Haltech 1/4in Open Tip K-Type Thermocouple - 55-1/2in Long (No Fitting Hardware)? Fill out the form below and we'll get back to you by the next business day.
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