TCA-8 Eight Channel Thermocouple Amplifier

Native 8-Channel Thermal Intelligence for Nexus & Elite

The TCA-8 Eight Channel Thermocouple Amplifier is the flagship thermal data acquisition module for modern Haltech ecosystems. Designed to interface natively with the Nexus R5/R3 and late-model Elite Series ECUs, this unit provides a unified stream of 8 high-precision temperature channels over a single CAN bus connection. It is the gold standard for comprehensive engine health monitoring, capable of tracking EGTs across V8 engines, or a complex array of fluid and air temperatures on endurance vehicles.

Next-Generation Signal Conditioning

Engineered for the demands of professional motorsport, the TCA-8 utilizes advanced 24-bit Analog-to-Digital converters to deliver exceptional resolution and noise rejection. Unlike split-box configurations, this unit operates as a single 8-channel node, simplifying device management in the NSP (Nexus Software Programmer) environment. The integrated Cold Junction Compensation is thermally mapped to the enclosure, ensuring that even if the unit is mounted in a hot engine bay, the thermocouple readings remain accurate to the degree.

The ruggedized billet-style enclosure is sealed against moisture and dust, featuring a high-density connector system that ensures reliable contact under 50G impact loads. This is not just a sensor interface; it is a critical diagnostic tool that allows the ECU to see the thermal fingerprint of the entire powertrain.

Operational Benefits

• Unified Device Architecture: Recognized as a single 8-channel device by Nexus/Elite software, streamlining configuration and data logging setup.
• High-Density Monitoring: Perfect for V8 individual cylinder tuning, or for monitoring 4x EGTs plus Intercooler In/Out, Oil Temp, and Transmission Temp on a 4-cylinder time attack car.
• Superior Noise Immunity: Digital CAN transmission eliminates the risk of ground loops and EMI corruption common with analog sensor wiring.
• Plug ‘n’ Play Nexus Compatibility: Includes the necessary cabling to connect directly to the Haltech CAN ecosystem immediately out of the box.

Technical Specifications

Includes

• 1 x TCA-8 Eight Channel Amplifier
• 1 x CAN Cable (DTM-4 to Circular)
• Quick Start Guide

Fitment Note: Suited for Elite and Nexus Series ECUs only. For older Platinum series compatibility, please see the “4+4” emulation version (HT-059908).