Our metrology labs offer secondary/industrial level thermometer calibration, thermocouple calibration, and temperature transmitter calibration. We also offer reference-level SPRT probe and primary standard temperature calibrations by comparison to Indium, Tin, Zinc, and Aluminum fixed point reference cells. Transcat's temperature calibrations are ISO 9001-compliant, with true SI Unit traceability through NIST, equivalent sources, or physical constants.Transcat offers temperature calibration services in all our 17025 accredited calibration laboratories across North America, including resistance thermometry measurements (PRT probe calibrations) from -196°C to 660.323°C in our Philadelphia and Dayton, OH, labs & infrared (IR)/radiation thermometer calibration capabilities up to 1,000° C in 7 of our labs. We also offer the convenience of high quality on-site calibration services at your location, calibrated to OEM or custom specifications. Whether you have one thermometer, or a series of high-accuracy temperature baths, you can be certain that Transcat's team of quality and metrology metrology experts will provide industry-leading calibration services.