The Fluke Calibration 5615-6-S Secondary Standard PRT Probe provides reliable and accurate temperature measurements for professional calibration and monitoring tasks. Featuring a 100 Ω Platinum Resistance Thermometer (PRT) element, this probe ensures precise and traceable readings for thermometer verification, instrument calibration, and high-precision temperature monitoring. Its 0.188″ × 6″ design allows easy placement in various setups, while spade lug connectors offer secure integration with compatible instruments. Engineered to meet international calibration standards, the 5615-6-S delivers consistent performance, durability, and dependable results for laboratory and industrial workflows.
Key Features:
PRT element: 100 Ω for high-accuracy measurements
Dimensions: 0.188″ × 6″
Temperature range: -200 °C to 300 °C
Spade lug connectors for easy and secure integration
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.





