Fluke 9171-C-R-156 Metrology Well

Overview

The Fluke 9171-C-R-156 Metrology Well is a high-precision temperature calibrator featuring integrated built-in reference thermometer input for enhanced measurement traceability. Designed for laboratory and field calibration of temperature sensors and instruments, it provides 203 mm (8 in) of immersion depth with full-range stability of ±0.005°C. The -R option includes Fluke's Tweener measurement technology, enabling direct reading of PRTs with ITS-90 characterization coefficients for maximum measurement precision.

Key Features

• Temperature Range: -30°C to 155°C (-22°F to 311°F) at 23°C ambient
• Display Accuracy: ±0.1°C full range with 0.001°C resolution
• Full-range Stability: ±0.005°C with exceptional temperature uniformity
• Axial Uniformity: ±0.025°C at -30°C, ±0.02°C at 0°C, ±0.07°C at 155°C
• Radial Uniformity: ±0.01°C full range
• Well Depth: 203 mm (8 in) for deep probe immersion
• Built-in Reference Input: Accepts 100-, 25-, and 10-ohm PRTs via 5-pin DIN connector
• Reference Measurement Accuracy: ±0.006°C at 0°C to ±0.027°C at 661°C (probe errors excluded)
• LCD Display with user-selectable °C or °F modes
• RS-232 serial interface for automated calibration and data logging
• 8 temperature set points with programmable ramp and soak times
• Automated switch test protocol for functional verification

Applications

• Calibration of RTDs (Resistance Temperature Detectors)
• Thermocouple calibration and verification
• Thermistor testing and characterization
• Reference standard temperature measurement
• Industrial and laboratory temperature instrument certification
• Field calibration with integrated reference traceability

Included Accessories

• Insert C (Aluminum with six 0.25-inch holes)
• Power Cord and RS-232 Cable
• Insert Removal Tool (tongs)
• 9930 Interface-it Software and User's Guide
• Report of Calibration and calibration label
• Getting Started Guide and full User's Manual