The Fluke 5623B-6-B Industrial PRT Probe is engineered for precise temperature measurement in freezer and low-temperature industrial calibration applications. Its 6″ length and 1/4″ diameter fit standard calibration wells, providing reliable and consistent readings. Built from durable, chemically resistant materials, this probe ensures long-term performance even in challenging environments. Ideal for laboratories and industrial facilities requiring accurate low-temperature calibration, it is a dependable tool for professional-grade temperature monitoring.
Key Features:
Platinum resistance sensor for high-accuracy low-temperature measurement
1/4″ diameter x 6″ length suitable for standard freezer calibration wells
Optimized for freezer and low-temperature industrial applications
Durable and chemically resistant construction for extended use
Quick response time for efficient calibration
Compatible Chemicals:
Safe for use with standard calibration oils and inert fluids suitable for low-temperature applications.
Included Accessories:
Probe only; compatible with Fluke Calibration instruments and freezer calibration baths.
Compliance:
Manufactured to ISO 17025 standards, ensuring laboratory-grade accuracy and industrial compliance.
Benefits for Lab Users:
The Fluke 5623B-6-B provides precise, repeatable low-temperature readings, reducing calibration errors and improving workflow efficiency. Its rugged construction and reliable performance make it ideal for industrial labs, freezer calibration, and professional environments requiring accurate low-temperature measurements.





