In May 2001, Hart Scientific Inc was acquired by Fluke Corporation. Hart Scientific is a manufacturer of temperature calibration and measurement equipment. Hart Scientific makes everything you need for calibrating thermometers including SPRTs, PRTs, thermistors, and thermocouples. Primary Standards: SPRTs Fixed-Point Cells, Furnaces and Apparatus, Bridges, Mini Fixed-Point Cells. Thermometry: Standards Thermometer Readouts, Reference Probes Software. Baths: Refrigerated Baths, Standard Heated Baths, Benchtop Baths, Standard Resistor Baths. Dry-Wells: Micro-Baths, Handheld Dry-Wells, Field Dry-Wells, High-Accuracy Dry-Wells. Furnaces, RTD and Thermocouple Simulators, Digital Multimeters, Humidity Monitors and Calibrators
