The Fluke Calibration 5615-9-B Secondary Standard PRT Probe provides precise and reliable temperature measurements for professional calibration tasks. Featuring a 100 Ω Platinum Resistance Thermometer (PRT) element, this probe ensures traceable readings ideal for thermometer verification, instrument calibration, and high-accuracy temperature monitoring. Its 0.188″ × 9″ design allows flexible placement in laboratory and industrial setups, while bare wire connectors offer easy integration with compatible instruments. Built to meet international calibration standards, the 5615-9-B delivers consistent performance, durability, and high-confidence results across demanding calibration workflows.
Key Features:
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PRT element: 100 Ω for high-accuracy measurements
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Dimensions: 0.188″ × 9″
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Temperature range: -200 °C to 420 °C
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Bare wire connectors for versatile integration
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Provides repeatable and traceable temperature readings
Compatible Applications: Laboratory calibration, industrial temperature measurement, thermometer verification, research facilities, 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 provides reliable performance in extreme temperature conditions.





