Thermocouple Wire

GeoCorp, the leading manufacturer in thermocouple wire technology, uses the most advanced machinery in the world to braid thermocouple wire. Whether you are in need of extension wire to finish your new installation or premium survey wire to meet today's tightest tolerances, GeoCorp will help you find the correct calibration, wire gauge, insulation, and temperature tolerances to make your busy life easier. Why buy from a distributor when you can work directly with us, the manufacturer?

Same Day Shipping

GeoCorp stocks thousands of feet of thermocouple wire for same day shipping. We never charge an expedite fee for wire that's already on the shelf. In today's more time demanding workplace, GeoCorp can help to assure your wire is there by utilizing our blanket order system.

Superior Quality

GeoCorp's raw material is pre-tested to ensure special limits of error accuracy in our state of the art quality control laboratory. Our laboratory is ISO/IEC 17025 accredited by NVLAP, a United States Government entity administered by NIST. Looking for thermocouple wire that is superior to the special limits of error requirements? Ask our temperature control specialists about GEOSPEC Thermocouple Wire, with maximum temperature correction factors NOT exceeding +/-2°F or .2%, whichever is greater.

Wire Product Options

ANSI Letter Designation (Calibration)
Type K Type J Type N Type R/S Type T Type E Type C
B & S Gauge
14ga 16ga 18ga 20ga 22ga 24ga 30ga
Conductor Type / Tolerance
Thermocouple or Extension Grade Solid or Stranded Wire Standard or Special Tolerance
Metallic Overbraid / Wrap Type
Stainless Steel Alloy 600 Tinned Copper Galvanized Steel Wrap Stainless Steel Wrap
Insulation Type
Light Ceramic Fiber Heavy Ceramic Fiber Extra Heavy Ceramic Fiber High Temp Glass Fiber Glass	Light Refrasil Heavy Refrasil Extra Heavy Refrasil Synthetic Fiber Rubber	FEP Teflon (Extruded) FEP Teflon + Shielded PVC PVC + Shielded Fiberglass, Twisted Pair
Product Standard Terms & Conditions