For Temperature Parameter covers the Range from -95 o +1200 Deg: All type of temperature sensors, Gauges, Ultra Cool Deep Freezer - 192 to 50 Degrees. Using the High Stability Temperature Source of Fluke make 9190 and 9150 and High accuracy sensor IRTD sensor, 6 and a half DMM and Fluke indicator with best CMC started from 0.05, Nist Traceability by using Below Standards instruments SOURCE FLUKE, MASTER IRTD SENSOR WITH INDICATOR