Temperature Measurement


Ultra-cool field metrology well

February 2022 Temperature Measurement

Comtest is offering the Fluke 9190A ultra-cool field metrology well, a small, lightweight and accurate dry-block calibrator with best-in-class stability.

The 9190A is ideal for pharmaceutical, biomedical and food processing applications that demand strict quality control and regulatory process compliance, including on-location validation and calibration of RTDs, thermocouples, thermometers and other temperature sensors.

The 9190A conforms to EURAMET cg-13 guidelines for best measurement practices for temperature dry-block calibrators. This ensures that its specifications for accuracy, stability, axial (vertical) uniformity, radial (well-to-well) uniformity, loading and hysteresis have been thoroughly and carefully defined and tested.

It has a wide temperature range (-95°C to 140°C) to cover the coldest and warmest temperatures required in pharmaceutical, biomedical and food processing applications, operating at ultra-cold temperatures not typically available with a calibration bath. The 9190A uses no bath fluids, keeping cleanrooms clean, making it easier to transport, and delivering faster heating/cooling rates. It offers temperature stability of +/-0,015°C) for consistent, accurate results.

The 9190A with the ‘process’ option 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 minimise the effects of the axial gradient when a reference PRT is aligned with short sensors.


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