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Fluke 9170 Metrology Well Calibrator
  • Fluke 9170 Metrology Well Calibrator
  • Fluke 9170 Metrology Well Calibrator
  • Fluke 9170 Metrology Well Calibrator

Fluke 9170 Metrology Well Calibrator

Fluke Calibration authorised distributor.

Includes: 9170 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 low temperature produced by the Fluke 9170 is available in normal room conditions, delivering outstanding performance making it ideally suited to pharmaceutical applications and others. The well can be ordered with any one of several inserts to cater for most probe sizes and the inserts are interchangeable.

The LCD on the front panel of the Fluke 9170 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 9170 datasheet for options.

For even better accuracy, Metrology Wells may be ordered with built-in electronics for reading external PRTs with ITS-90 characterisations. See the 'Options' dropdown above to order the 'R' version.

Built-In Reference Thermometry

This optionally built-in input accepts 100-, 25-, and 10-ohm PRTs. It reads thermometer probes accurately from ±0.006 °C at 0 °C to ±0.027 °C at 661 °C, not including errors from the probe. It is compatible with every PRT sold by Fluke Calibration and connects to Metrology Wells via a 5-pin DIN connector.


Metrology Well, –45 °C to 140 °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 9170 Specifications
Range (at 23°C ambient) –45°C to 140°C (–49°F to 284°F).
Display accuracy ±0.1°C full range.
Stability ±0.005°C full range.
Axial uniformity ±0.1°C at –45°C
±0.04°C at –35°C
±0.02°C at 0°C
±0.07°C at 140°C.
Radial uniformity ±0.01°C full range.
Loading effect (with a 6.35 mm reference probe and three 6.35 mm probes) ±0.02°C at –45°C
±0.005°C at –35°C
±0.01°C at 140°C.
Hysteresis 0.025°C.
Well depth 160 mm (6.3 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 44 min: 23°C to –45°C
19 min: 23°C to –30°C
19 min: 140°C to 23°C.
Heating time 32 min: 23°C to 140°C
45 min: –45°C to 140°C.
Size (H x W x D) 366 x 203 x 323 mm (14.4 x 8 x 12.7 in).
Weight 14.2 kg (31.5 lb).
Power 115 V AC (±10%), or
230 V AC (±10%), 50/60 Hz, 550 W.
Computer interface RS-232 Interface with 9930 Interface-it control software included.
Traceable calibration (NIST) Data at –45°C, 0°C, 50°C, 100°C, and 140°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 9170 warranty One-year.


Fluke 9170 Series Datasheet

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

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Fluke 9170 Metrology Well Calibrator
9170-INSA Insert “A” 9170, Al, Misc Holes. 2459766
9170-INSB Insert “B” 9170, Al, Comparison Holes. 2459775
9170-INSC Insert “C” 9170, Al, 0.25-inch Holes. 2459782
9170-INSD Insert “D” 9170, Al, Comparison Metric Holes. 2459794
9170-INSE Insert “E” 9170, Al, Misc Metric Holes, w/0.25-inch Ref Hole. 2459802
9170-INSF Insert “F” 9170, Al, Metric Comparison Holes, w/0.25-inch Ref Hole. 2459816
9170-INSZ Insert “Z” 9170, Al, Blank. 2459833
9170-DCAS Carrying case 9170-3. 2460099

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