calibrator fluke 9190a ultra coolThe Fluke 9190A Ultra-Cool field metrology well dry-block calibrator provides on-location validation and calibration of RTDs, thermocouples, thermometers and other temperature sensors. The calibrator has a temperature range of -95°C to 140°C; it offers a temperature stability of +/-0.015°C. The unit features 4-20 mA connectors, a reference thermometer input, 4-wire PRT/RTD input with an accuracy of +/-0.02°C and a reference sensor control to minimize the effects of the axial gradient when a reference PRT is aligned with short sensors.
 
Fluke Calibration; 877-355-3225; www.flukecal.com