Manufacturer, Sales and Service Two dry temperature calibrators for calibrating many types of temperature sensors and systems, including glass thermometers, thermocouples, RTDS, PRTS, thermal switches, temperature transmitters, dial thermometers, bimetallic liquid thermometers, temperature controllers, handheld indicators, infrared (IR) pyrometers, temperature recorders and thermistors. These units offer a temperature range of -25 to 455°C, ideal for portable field use or laboratory workstations. All units include an NIST traceable calibration certificate in compliance with ISO 17025. Fully approved ISO17025 calibration is provided.