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Fluke 9172 Bench Temperature Source
  • Fluke 9172 Bench Temperature Source
  • Fluke 9172 Bench Temperature Source
  • Fluke 9172 Bench Temperature Source

Fluke 9172 Bench Temperature Source

Fluke Calibration authorised distributor.

Includes: 9172 Metrology Well, 9170-INSX Insert (X=A, B, C, D, E, or F), Power Cord, RS-232 Cable, Getting Started Guide, User’s Guide, Report of Calibration and calibration label, DIN Connector (-R units only), Well Insulator, Tongs (insert removal tool), 9930 Interface-it Software and User’s Guide.

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Fluke’s Hart Metrology Wells (9170, 9171, 9172, and 9173) are designed to be stable heat sources that can be used in a laboratory or field environment. With a calibrated display and an optional built-in reference thermometer input (designated with “-R”), Metrology Wells may also be used as a reference standard.

The Fluke 9172 provides temperatures from 35 °C to 425 °C with a calibrated display accurate to ±0.2 °C at 425 °C. In addition to exceptional accuracy, the 9172 is stable from ±0.005 °C to ±0.01 °C, depending on temperature. With 203 mm (8 in) of immersion, the 9172 significantly reduces stem conduction errors at high temperatures.

The LCD on the front panel of the Fluke 9172 allows direct viewing of the control temperature (actual well temperature), reference thermometer temperature, heating or cooling power, current set-point information and current program information. The temperature displayed is either in °C or °F. The displayed temperature units can easily be changed by pressing the C/F key on the front panel.

Any of six standard inserts may be ordered with each unit, accommodating a variety of metric- and imperial-sized probe diameters. Please see 9172 datasheet for options.


Metrology Well, 35 °C to 425 °C, w/INSX.
Best-performing industrial heat sources (accuracy, stability, uniformity) in the world.
Immersion depth to 203 mm (8 in).
Optional ITS-90 reference input reads PRTs to ±0.006 °C.

Fluke 9172 Specifications
Range (at 23°C ambient) 35°C to 425°C (95°F to 797°F).
Display accuracy ±0.1°C: 35°C to 100°C
±0.15°C: 100°C to 225°C
±0.2°C: 225°C to 425°C.
Stability ±0.005°C: 35°C to 100°C
±0.008°C: 100°C to 225°C
±0.01°C: 225°C to 425°C.
Axial uniformity ±0.05°C: 35°C to 100°C
±0.1°C: 100°C to 225°C
±0.2°C: 225°C to 425°C.
Radial uniformity ±0.01°C: 35°C to 100°C
±0.02°C: 100°C to 225°C
±0.025°C: 225°C to 425°C.
Loading effect (with a 6.35 mm reference probe and three 6.35 mm probes) ±0.01°C full range.
Hysteresis 0.04°C.
Well depth 203 mm (8 in).
Resolution 0.001°C.
Display LCD, °C or °F, user-selectable.
Key pad Ten key with decimal and ± button. Function keys, menu key, and °C / °F key.
Cooling time 220 min: 425°C to 35°C
100 min: 425°C to 100°C.
Heating time 27 min: 35°C to 425°C.
Size (H x W x D) 366 x 203 x 323 mm (14.4 x 8 x 12.7 in).
Weight 13.2 kg (29 lb).
Power 115 V AC (±10%), or
230 V AC (±10%), 50/60 Hz, 1025 W.
Computer interface RS-232 Interface with 9930 Interface-it control software included.
Traceable calibration (NIST) Data at 100°C, 150°C, 250°C, 350°C, and 425°C.
Specifications Built-in Reference Input
Temperature range –200°C to 962°C (–328°F to 1764°F).
Resistance range 0 Ω to 400 Ω, auto-ranging.
Characterisations ITS-90 subranges 4, 6, 7, 8, 9, 10, and 11 Callendar-Van Dusen (CVD): R0, a, b, d.
Resistance accuracy 0 Ω to 20 Ω: 0.0005 W
20 Ω to 400 Ω: 25 ppm.
Temperature accuracy
(does not include probe uncertainty)
10 Ω PRTs:
±0.013°C at 0°C
±0.014°C at 155°C
±0.019°C at 425°C
±0.028°C at 700°C
25 Ω and 100 Ω PRTs:
±0.005°C at –100°C
±0.007°C at 0°C
±0.011°C at 155°C
±0.013°C at 225°C
±0.019°C at 425°C
±0.027°C at 661°C
Resistance resolution 0 Ω to 20 Ω: 0.0001 Ω
20 Ω to 400 Ω: 0.001 Ω.
Measurement period 1 second.
Probe connection 4-wire with shield, 5-pin DIN connector.
Calibration NVLAP accredited (built-in reference input only), NIST-traceable calibration provided.
Fluke 9172 warranty One-year.


Fluke 9170 Series Datasheet

PDF Specifications of the Fluke 9170, 9171, 9172, & 9173 Metrology Well Calibrators

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Fluke 9172 Bench Temperature Source
9172-INSA Insert “A” 9172, Al-Brnz, Misc Holes. 2459922
9172-INSB Insert “B” 9172, Al-Brnz, Comparison Holes. 2459931
9172-INSC Insert “C” 9172, Al-Brnz, 0.25-inch Holes. 2459946
9172-INSD Insert “D” 9172, Al-Brnz, Comparison Metric Holes. 2459954
9172-INSE Insert “E” 9172, Al-Brnz, Misc Metric Holes, w/0.25-inch Ref Hole. 2459968
9172-INSF Insert “F” 9172, Al-Brnz, Metric Comparison Holes, w/0.25-inch Ref Hole. 2459979
9172-INSZ Insert “Z” 9172, Al-Brnz, Blank. 2459993
9170-DCAS Carrying case 9170-3. 2460099

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