The Fluke Calibration 5609-12-D Secondary Reference PRT Probe delivers highly accurate and repeatable temperature measurement across an extended range of -200 °C to 670 °C. Designed with a 1/4×12″ dimension and 5-pin DIN connector, it integrates seamlessly with calibration systems for laboratory, research, and industrial applications. Engineered for stability and precision, this probe supports traceable measurements, ensuring reliable verification of thermometers and other temperature-measuring instruments. Ideal for secondary reference applications, the 5609-12-D provides consistent, high-confidence readings that comply with international calibration standards.
Key Features:
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Temperature range: -200 °C to 670 °C
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Secondary reference PRT probe for high-accuracy measurements
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1/4×12″ size with 5-pin DIN connector
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Durable and stable construction
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Provides repeatable and traceable temperature readings
Compatible Applications: Laboratory calibration, industrial temperature measurement, research facilities, instrument verification, and high-precision temperature monitoring.
Included Accessories: User manual.
Compliance: ISO 17025 compatible and meets international calibration standards.
Benefits for Lab Users: Ensures precise, repeatable, and traceable temperature measurements, supports accurate instrument calibration, enhances workflow efficiency, and delivers reliable performance in laboratory and industrial environments.





