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Fluke 9190A-X Field Metrology Well
  • Fluke 9190A-X Field Metrology Well
  • Fluke 9190A-X Field Metrology Well
  • Fluke 9190A-X Field Metrology Well
  • Fluke 9190A-X Field Metrology Well

Fluke 9190A-X Field Metrology Well

Fluke authorised distributor and calibration house.

Includes: 9190-INSX Insert (X=A, B, C, D, E, or F), 2-meter (6-foot) Mains Power Cord, USB Cable, Getting Started Manual, Product CD that contains manuals and remote interface driver files, 9930 Interface-it Calibration Software and Users Guide, Report of Calibration and Calibration Label, Well Insulator Cap 1, Insert Removal Tool.

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NB: ‘X’ in the model number to be replaced with A, B, C, D, E, and F as appropriate for the desired insert.

The Fluke 9190A ultra-cool field metrology well from Fluke Calibration provides excellent stability and uniformity and plenty of well depth for calibrating platinum resistance thermometers (PRTs), thermocouples and other industrial thermometers.

The Fluke 9190A Ultra-Cool Field Metrology Well is the most accurate and stable, cold temperature dry-block on the market. It’s ideal for applications that demand strict quality control and regulatory process compliance. These applications include on-location validation and calibration of RTDs, thermocouples, thermometers, and sensors used with process control equipment such as medical freezers, laboratory refrigerators, cold rooms, blood banks, sterilisers (autoclaves), and freeze dryers.

The 9190A is small and lightweight, making it easy to transport. And since it does not use heat transfer fluids, cleanrooms stay clean. The 9190A cooling and heating times are faster than a calibration bath - that means calibration work gets done more quickly.

The Calibrator has two models: the 9190A and the 9190A-P. The 9190A-P is a “Process” version of the 9190A that combines the heat source with a built-in thermometer input panel.


Dual heater zone: Active heater zone control compensates for differential temperatures between zones.
All controls and inputs on the front panel.
Two-handed carry; built-in handles on front and back. All controls and inputs on the front panel.
Define up to eight set-point temperatures; automatically ramp to and “soak” at each set-point.
Stability indicator: Indicates when the block temperature is stable and within limits defined by the user.
Fast time to temperature and small footprint: Uses compact, efficient free piston stirling cooler technology (FPSC).
Remote operation: USB and RS-232 communications interfaces support remote operation from a computer.
4-20 mA connectors: Power a 4-20 mA transmitter from the drywell. Supplies 24 V dc loop power (process version).
4-wire PRT/RTD input: Reads a 4-wire, 3-wire, or 2-wire PRT/RTD. Accuracy ±0.02 ºC (process version).
Reference thermometer input automatically reads Fluke Calibration PRTs terminated with a “smart” connector.
Thermocouple input: Accepts common thermocouples with mini-jack termination. Types: J, K, T, E, R, S, M, L, U, N, C.

Fluke 9190A Product Video

Fluke 9190A Specifications
Temperature range at 23 °C –95 °C to 140 °C (–139 °F to 284 °F).
Display accuracy ± 0.2 °C full range.
Accuracy with external reference3 One year.
Stability ± 0.015 °C full range.
Axial uniformity at 40 mm (1.6 in) ± 0.05 °C full range.
Radial gradient ±0.01 °C full range.
Loading effect (with a 6.35 mm reference probe and three 6.35 mm probes)
± 0.006 °C full range
(versus display with one 6.35 mm probe)
± 0.25 °C at –95 °C
± 0.10 °C at 140 °C.
Operating conditions 0 °C to 35 °C, 0 % to 90 %
RH (non-condensing) < 2000 m altitude.
Environmental conditions for all specifications except temperature range 13 °C to 33 °C.
Immersion (well) depth 160 mm (6.3 in).
Well diameter 30 mm (1.18 in).
Heating time1 –95 °C to 140 °C: 40 min.
Cooling time1 23 °C to –90 °C: 80 min
23 °C to –95 °C: 90 min
140 °C to 23 °C: 60 min.
Stabilisation time2 15 min.
Resolution 0.01 °.
Display LCD, °C or °F user selectable.
Power requirements 100 V to 115 V (± 10 %) 50/60 Hz, 575 W
200 V to 230 V (± 10 %) 50/60 Hz, 575 W.
System fuse ratings 115 V: 6.3 A T 250 V
230 V: 3.15 A T 250 V.
Computer interface RS-232, USB Serial, and 9930 interface-it temperature calibration software included.
Safety IEC 61010-1, Installation Category II, Pollution degree 2.
Electromagnetic environment IEC 61326-1: Basic.
Refrigerants R32 (Difluoromethane)
< 20 g, ASHRAE safety group A2L
R704 (Helium)
< 20 g, ASHRAE safety group A1.
Dimensions (H x W x D) 380 mm x 205 mm x 480 mm (14.9 in x 8.0 in x 18.8 in).
Weight 16 kg (35 lb).
Fluke 9190A warranty One year.
1For ambient temperature of 23 °C.
2Time from when the SETPOINT is reached to when the unit is with in stability specification.
3The temperature range may be limited by the reference probe connected to the readout.
The built-in reference accuracy does not include the sensor probe accuracy. It does not include the probe uncertainty or probe characterisation errors.


Fluke 9190A Datasheet

PDF Specifications of the Fluke 9190A Ultra-Cool Field Metrology Wells.

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Fluke 9190A-X Field Metrology Well
9190-INSA Insert "A" 9190A, imperial miscellaneous holes. 4231692
9190-INSB Insert "B" 9190A, imperial comparison holes. 4231704
9190-INSC Insert "C" 9190A, 0.25 inch holes. 4231719
9190-INSD Insert "D" 9190A, metric comparison holes. 4231728
9190-INSE Insert "E" 9190A, metric miscellaneous holes with 0.25 inch hole. 4231737
9190-INSF Insert "F" 9190A, metric comparison miscellaneous holes with 0.25 inch hole. 4231743
9190-INSZ Insert “Z” 9190, blank. 4231781
9190-INSY1 Insert "Y1" 9190A, custom insert with blank insulator. 4231770
9190-INSY2 Insert "Y2" 9190A, custom insert with custom insulator. 4319562
9190-CASE Carrying case for 9190A. 4231689

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