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The Ametek Jofra STS Superior Temperature Reference Sensors (STS050/ STS100/ STS102/ STS103) are a series of high quality reference sensors. Ideal for industrial temperature calibration applications where accuracy and long-term stability are important. JOFRA STS Superior Temperature reference Sensors are based on more than 50 years of industrial temperature sensor manufacturing experience.
The Ametek Jofra STS temperature reference sensors are fully traceable thermometers recommended as the reference instrument to verify true temperature in any type of temperature calibrator, liquid bath, or dry-block calibrator.
The main requirement of a reference sensor is stability: The less the sensor drifts, the lower the measurement uncertainty. All JOFRA Superior Temperature Standard sensors are economical and offer fast response times, low immersion depths, compact physical sizes, and specified low drift rates: even at high temperatures. These are all important considerations when selecting a reference sensor.
In addition to straight sensors, AMETEK offers a 90° angled version specifically developed for use with dry-block temperature calibrators. This sensor allows the user to have both the sensor-under-test and the reference sensor in the thermowell at the same time: even if the sensors have a connection or a transmitter head.
AMETEK has also designed a special cable type reference sensor permitting the sensor to be positioned throughout the depth of the well in a dry-block, eg. under a sanitary flange.
