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The FLUKE 80PT-EXT is a thermocouple extension wire kit designed for use with T-type thermometers. It extends the reach between a thermocouple probe and its measuring instrument, allowing technicians to position sensors precisely without relocating the meter. The kit includes one pair of male or female mini-connectors and 3 meters of T-type thermocouple wire. HVAC technicians, refrigeration mechanics, and industrial instrumentation techs use this kit when taking temperature measurements in confined or hard-to-reach locations. It is a direct accessory for compatible FLUKE T-type thermometer setups.
This extension wire kit is suited for residential and light commercial HVAC service, refrigeration diagnostics, and general temperature measurement applications where additional wire length is needed between the probe and the meter. The included mini-connectors allow for a clean, secure connection without splicing or improvising field extensions. Technicians working on duct systems, refrigerant circuits, or process piping will find this kit useful when the measurement point is remote from the instrument location.
Designed for use with T-type thermometer instruments that accept standard mini-connector terminations. Refer to your instrument documentation to confirm connector compatibility before installation.
Installation of this extension wire kit is typically performed by HVAC technicians or instrumentation professionals. Ensure the thermometer and any associated equipment are powered down or in a safe measurement state before connecting or disconnecting the extension wire. Verify that the mini-connector polarity is observed correctly during connection, as reversed connections can produce inaccurate readings. Do not route thermocouple extension wire alongside high-voltage conductors, as electromagnetic interference can affect measurement accuracy.
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