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Fluke 9171-X-256 Field Metrology Well – Choice of Insert

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Fluke 9171-X-256
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Fluke 9171-X-256 Field Metrology Well – Choice of Insert
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Only available from authorised Fluke distributors, such as PASS Ltd. Terms and conditions apply.

The Fluke 9171-X-256 Field Metrology Well – Choice of Insert is optimised for calibrating temperature sensing instruments such as temperature probes, thermometers and thermal switches. It has a temperature range of -30°C to 155°C and is available in seven models with different disc inserts; please see the table below for further details.

Product Code  Product Name 9171 Disc Insert Name Disc Insert Part Number  Hole Types
9171-A-256 Fluke 9171-A-256 Field Metrology Well A 9171-INSA Misc Holes
9171-B-256 Fluke 9171-B-256 Field Metrology Well B 9171-INSB Comparison Holes
9171-C-256 Fluke 9171-C-256 Field Metrology Well C 9171-INSC 0.25-inch Holes
9171-D-256 Fluke 9171-D-256 Field Metrology Well D 9171-INSD Metric Comparison Holes
9171-DW-256 Fluke 9171-DW-256 Field Metrology Well DW N/A **INDICATES THAT A DISC IS NOT INCLUDED**
9171-E-256 Fluke 9171-E-256 Field Metrology Well E 9171-INSE Metric Misc Holes with 0.25-inch Ref Hole
9171-F-256 Fluke 9171-F-256 Field Metrology Well F 9171-INSF Metric Comparison Misc Holes with 0.25-inch Ref Hole
For a visual indication of how these discs will appear, please see the attached datasheet listed under 'Technical Specifications'.

PLEASE NOTE that these instruments do NOT include integrated reference thermometry, therefore they cannot read external PRTs with ITS-90 coefficients. Versions of these instruments with integrated reference thermometry are available here.

The Fluke 9171-X-256 Field Metrology Well is able to provide the user with a heat source that is stable to ±0.005°C across its full temperature range. This is achieved as a result of the inclusion of Fluke’s patent-pending proprietary electronics and dual-zone control (analogue and digital). These features, as well as the inclusion of a well with a depth of 203mm, also facilitates the calibrator’s ability to provide temperature uniformity over a zone of 60mm, with an axial/vertical uniformity of up to ±0.02°C (at 0°C). The Fluke 9171-X-256 Field Metrology Well also provides a radial uniformity between wells of ±0.01°C.

The depth of the well and dual-zone controls also help to minimise loading effects, reducing them to ±0.005°C. Furthermore, a deeper well ensures that temperature probes are properly immersed thereby accounting for and testing all the characteristics of the instrument, including:

  • The location and size of the sensor
  • The width and thermal mass of the probe
  • Any lead wires

The depth of the integrated well, therefore, ensures that temperature sensing instruments are accurately calibrated. The instrument itself has been calibrated using accredited, traceable PRTs in order to ensure its accuracy. This combined with the Fluke 9171-X-256 Field Metrology Well’s proprietary electronics maintains the instrument’s repeatable, display accuracy of ±0.1°C and lowers the effects of hysteresis to 0.025°C.

All these features work to maintain the Fluke 9171-X-256 Field Metrology Well’s conformity with the six critical components of performance outlined in the European Metrology Community’s EA-10/13 document, these include:

  • Calibrated display accuracy
  • Stability
  • Axial uniformity
  • Radial uniformity
  • Loading effects
  • Hysteresis

Conformity is not compromised by the instrument’s small, rugged and lightweight design. It can be used in a variety of worksites and is particularly well suited for use in hard-to-access places.

The Fluke 9171-X-256 Field Metrology Well includes a large, LCD display where the user can view the block temperature, cut-out temperature, stability criteria and the ramp rate. A numeric keypad and on-screen menus facilitate the user’s ability to adjust the aforementioned entities; access the Switch Test protocol that zeros in on the ‘dead-band’ for thermal switches, as well as tailor the four pre-programmed calibration tasks to his/her requirements. The user is able to enter up to eight temperature set points with ‘ramp and soak’ times between each one. He/she is also able to select the desired measurement unit (°C or °F) using the dedicated function button.

Also adding to this instrument’s adaptability is its ability to display menus in English, French or Chinese.

Further to this, using the Fluke 9171-X-256 Field Metrology Well’s RS-232 serial interface and Fluke’s Model 9930 Interface-it Software the operator is able to view results remotely from his/her PC. He/she is also able to access and adjust various settings and features allowing him/her to run calibrations remotely.

Alternatively, the Fluke 9171-X-256 Field Metrology Well can be used in conjunction with Fluke’s MET/ TEMP II Software in order to perform automatic calibrations of RTDs, thermocouples and thermistors.

The Fluke 9171-X-256 Field Metrology Well – Choice of Insert is ideal for calibrating a variety of temperature sensing instruments used in an array of industries. It offers the user the accuracy, stability and uniformity of a bath temperature calibrator with the practicality and functionality of a dry well tester.

Fluke 9171-X-256 Field Metrology Well – Choice of Insert Key Features

  • Optimised for calibrating temperature sensing instruments such as temperature probes, thermometers and thermal switches
  • Temperature range: -30°C to 155°C
  • Available in seven models with different disc inserts
  • Does NOT include integrated reference thermometry
  • Stability of ±0.005°C across its full range
  • Includes patent-pending Fluke proprietary electronics
  • Dual-zone control (analogue and digital)
  • Includes a well with a depth of 203mm
  • Homogenous temperature zone spanning 60mm from the bottom of the well
  • Axial uniformity of up to ±0.02°C (at 0°C)
  • Radial uniformity of ±0.01°C
  • Loading effects are reduced to as low as ±0.005°C
  • Deeper well ensures that all the temperature probe’s characteristics are accounted for and tested
  • The metrology well is calibrated using accredited, traceable PRTs
  • Proprietary electronics helps to maintain the instrument’s repeatability and display accuracy
  • Display accuracy of ±0.1°C
  • Hysteresis: 0.025°C
  • Conforms with the six critical components of performance as outlined by the EA-10/13
  • Small, rugged and lightweight design
  • Large, LCD display
  • Block temperature, cut-out temperature, stability criteria and ramp rate are all viewable via this display
  • Numeric keypad
  • Onscreen menus
  • Switch Test protocol zeros in on the ‘dead-band’ for thermal switches
  • Four pre-programmed calibration tasks
  • Up to eight set point temperatures with ‘ramp and soak’ times can be entered into these pre-programmed tasks
  • Function button for selecting between °C and °F
  • Menus can be displayed in English, French or Chinese
  • RS-232 interface
  • Supplied with Fluke’s Model 9930 Interface-It Software
  • RS-232 and Interface-it Software can be used to view results and operate the instrument remotely
  • Can be used with Fluke’s MET/ TEMP II Software (NOT included)
  • Ideal for calibrating a variety of temperature sensing instruments in an array of industries
  • Offers the stability, accuracy and uniformity of a bath temperature calibrator and the practicality and functionality of a dry well tester

What’s Included?

  • Your Choice of Fluke 9171-X-256 Field Metrology Well – Choice of Insert
  • Fluke Interface-It Software

Fluke 9171-X-256 Field Metrology Well – Choice of Insert Technical Specifications

The Fluke 9171-X-256 Field Metrology Well is apart of Fluke's 917X series of Metrology Wells; please find below the technical specifications for the models included in this series.

Specifications 9170 9171 9172 9173
Range
(at 23 °C ambient)
–45 °C to 140 °C
(–49 °F to 284 °F)
–30 °C to 155 °C
(–22 °F to 311 °F)
35 °C to 425 °C
(95 °F to 797 °F)
50 °C to 700 °C†
(122 °F to 1292 °F)
Display Accuracy ± 0.1 °C full range ± 0.1 °C: 35 °C to 100 °C
± 0.15 °C: 100 °C to 225 °C
± 0.2 °C: 225 °C to 425 °C
± 0.2 °C: 50 °C to 425 °C
± 0.25 °C: 425 °C to 660 °C
Stability ± 0.005 °C full range ± 0.005 °C: 35 °C to 100 °C
± 0.008 °C: 100 °C to 225 °C
± 0.01 °C: 225 °C to 425 °C
± 0.005 °C: 50 °C to 100 °C
± 0.01 °C: 100 °C to 425 °C
± 0.03 °C: 425 °C to 700 °C
Axial Uniformity
(60 mm)
 
± 0.1 °C at –45 °C
± 0.04 °C at –35 °C
± 0.02 °C at 0 °C
± 0.07 °C at 140 °C
± 0.025 °C at –30 °C
± 0.02 °C at 0 °C± 0.07 °C at 155 °C
 
± 0.05 °C: 35 °C to 100 °C
± 0.1 °C: 100 °C to 225 °C
± 0.2 °C: 225 °C to 425 °C
 
± 0.1 °C: 50 °C to 100 °C
± 0.25 °C: 100 °C to 425 °C± 0.4 °C: 425 °C to 700 °C
Radial Uniformity
 
± 0.01 °C full range ± 0.01 °C: 35 °C to 100 °C
± 0.02 °C: 100 °C to 225 °C
± 0.025 °C: 225 °C to 425 °C
± 0.01 °C: 50 °C to 100 °C
± 0.025 °C: 100 °C to 425 °C
± 0.04 °C: 425 °C to 700 °C
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
± 0.005 °C at –30 °C
± 0.005 °C at 0 °C
± 0.01 °C at 155 °C
± 0.01 °C full range ± 0.02 °C at 425 °C
± 0.04 °C at 700 °C
Hysteresis 0.025 °C 0.04 °C 0.07 °C
Well Depth 160 mm (6.3 in) 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
 
44 min: 23 °C to –45 °C
19 min: 23 °C to –30 °C
19 min: 140 °C to 23 °C
30 min: 23 °C to –30 °C
25 min: 155 °C to 23 °C
220 min: 425 °C to 35 °C
100 min: 425 °C to 100 °C
235 min: 700 °C to 50 °C
153 min: 700 °C to 100 °C
 
Heating Time 32 min: 23 °C to 140 °C
45 min: –45 °C to 140 °C
44 min: 23 °C to 155 °C
56 min: –30 °C to 155 °C
27 min: 35 °C to 425 °C 46 min: 50 °C to 700 °C
Size (HxWxD) 366 x 203 x 323 mm (14.4 x 8 x 12.7 in)
Weight 14.2 kg (31.5 lb) 15 kg (33 lb)
13.2 kg (29 lb) 15 kg (33 lb)
Power 115 V ac (± 10 %), or
230 V ac (± 10 %), 50/60 Hz, 550 W
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 –45 °C, 0 °C, 50 °C, 100 °C, and 140 °C Data at –30 °C, 0 °C, 50 °C, 100 °C, and 155 °C Data at 100 °C, 150 °C, 250 °C, 350 °C, and 425 °C Data at 100 °C, 200 °C, 350 °C, 500 °C, and 660 °C
†Calibrated to 660 °C; reference thermometer recommended at higher temperatures.
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Additional Information
SKU Fluke 9171-X-256
Manufacturer Part Code 3015978

Made to Order item: This item is made-to-order with a lead time once the order is placed. Once an order is placed it cannot be cancelled or returned unless the unit is found to be faulty.

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