Fluke 9190A Ultra-Cool Field Metrology Well

Model#:9190A-A-156Part#:4178780UPC#:0 95969 63548 6
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  • Fluke 9190A Ultra-Cool Field Metrology Well
  • Fluke 9190A Ultra-Cool Field Metrology Well
  • Fluke 9190A Ultra-Cool Field Metrology Well
  • Fluke 9190A Ultra-Cool Field Metrology Well

Key features

  • Wide temperature range: –95 °C to 140 °C.
  • Excellent accuracy
  • Accuracy using built-in reference thermometer readout: ± 0.05 °C full range.
  • Display accuracy: ± 0.2 °C full range.
  • Best-in-class stability: ± 0.015 °C full range

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Product overview: Fluke 9190A Ultra-Cool Field Metrology Well

Ideal for cleanroom environments and demanding calibration work

Cleanroom-Compatible, Ultra-Portable, and Fast

Traditional calibration baths are known for stability and uniformity—but they’re far from ideal for cleanroom use. Their large size, fluid handling requirements, and potential for spills or vapors make them a poor fit for controlled environments.

The Fluke 9190A Ultra-Cool Field Metrology Well offers a smarter solution. Designed specifically for cleanrooms and critical process industries, it provides:

  • Wide temperature range suitable for pharmaceutical, biomedical, and food processing needs
  • Compact, lightweight design for easy transport and field use
  • No heat transfer fluids, keeping your environment contaminant-free
  • Faster heating and cooling times than traditional calibration baths—so you complete calibrations faster

Precision You Can Trust for Process Accuracy

Accurate process measurements are essential for quality control. Inaccurate data can lead to product recalls, regulatory penalties, lost profits, and reputational damage. That’s why your calibration equipment needs to be just as dependable as your measurement systems.

The 9190A Ultra-Cool Field Metrology Well delivers:

  • Best-in-class accuracy, stability, and uniformity
  • Designed using decades of Fluke dry-block technology expertise
  • Conformance to EURAMET cg-13 best practices for temperature block calibrators
  • Thoroughly tested specs for axial and radial uniformity, hysteresis, and loading effects

Make Every Measurement Count

When you use the 9190A, you’re choosing the most accurate and stable ultra-cool dry-block calibrator available. That confidence translates into better product quality, more efficient compliance, and measurable business impact.

Specifications: Fluke 9190A Ultra-Cool Field Metrology Well

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±0.05°C full range
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 conditions0°C to 35°C, 0% to 90%
RH (non-condensing) < 2000 m altitude
Environmental conditions for all specifications except temperature range13°C to 33°C
Immersion (well) depth160 mm (6.3 in)
Well diameter30 mm (1.18 in)
Heating time1–95°C to 140°C: 40 min
Cooling time123°C to –90°C: 80 min
23°C to –95°C: 90 min
140°C to 23°C: 60 min
Stabilization time215 min
Resolution0.01°
DisplayLCD, °C or °F user selectable
Size (H x W x D)480 x 205 x 380 mm (18.8 x 8.0 x 14.9 in)
Weight16 kg (35 lb)
Power requirements100 V to 115 V (±10%) 50/60 Hz, 575 W
200 V to 230 V (±10%) 50/60 Hz, 575 W
System fuse ratings115 V: 6.3 A T 250 V
230 V: 3.15 A T 250 V
4–20 mA fuse (-P model only)50 mA F 250 V
Computer interfaceRS-232, and USB Serial included
SafetyIEC 61010-1, Installation Category II, Pollution degree 2
Electromagnetic environmentIEC 61326-1: Basic
RefrigerantsR32 (Difluoromethane)
< 20 g, ASHRAE safety group A2L
R704 (Helium)
< 20 g, ASHRAE safety group A1
-P Specifications
Built-in reference thermometer readout accuracy (4-wire reference probe)3±0.010°C at –95°C
±0.013°C at –25°C
±0.015°C at 0°C
±0.020°C at 50°C
±0.025°C at 140°C
Reference resistance range0 Ω to 400 Ω
Reference resistance accuracy40 Ω to 42 Ω: ±0.0025 Ω
42 Ω to 400 Ω: ±60 ppm of reading
Reference characterizationsITS-90, CVD, IEC-751, resistance
Reference measurement capability4 wire
Reference probe connection6-pin din with INFO-CON technology
Built-in RTD thermometer readout accuracyNI-120: ±0.015°C at 0°C
PT-100 (385): ±0.02°C at 0°C
PT-100 (3926): ±0.02°C at 0°C
PT-100 (JIS): ±0.02°C at 0°C
RTD resistance range0 Ω to 400 Ω
Resistance accuracy40 Ω to 25 Ω: ±0.002 Ω
25 Ω to 400 Ω: ±80 ppm of reading
RTD characterizationsPT-100 (385), (JIS), (3926), NI-120, resistance
RTD measurement capability2-wire, 3-wire, and 4-wire RTD with jumpers only
RTD connection4-terminal input
Built-in TC thermometer readout accuracy5Type J: ±0.70°C at 140°C
Type K: ±0.75°C at 140°C
Type T: ±0.60°C at 140°C
Type E: ±0.60°C at 140°C
Type R: ±1.60°C at 140°C
Type S: ±1.60°C at 140°C
Type M: ±0.65°C at 140°C
Type L: ±0.65°C at 140°C
Type U: ±0.70°C at 140°C
Type N: ±0.75°C at 140°C
Type C: ±1.00°C at 140°C
TC millivolt range–10 mV to 75 mV
Voltage accuracy0.025% of reading +0.01 mV
Internal cold junction compensation accuracy±0.35°C (ambient of 13°C to 33°C)
TC connectionMiniature connectors (ASTM E1684)
Built-in mA readout accuracy0.02% of reading + 0.002 mA
mA rangeCal 4-22 mA, Spec 4-24 mA
mA connection2 terminal input
Loop power function24 V DC loop power
Built-in electronics temperature coefficient
(0°C to 13°C, 33°C to 50°C)
±0.005% of range per °C
1. For ambient temperature of 23°C.
2. Time from when the SETPOINT is reached to when the unit is with in stability specification.
3. The 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 characterization errors.
4. Measurement accuracy specifications apply within the operating range and assume 4 wires for PRTs. With 3-wire RTDs add 0.05 Ω to the measurement accuracy plus the maximum possible difference between the resistances of the lead wires.
5. The thermocouple input readout is sensitive to EM fields in the frequency range of 500 MHz to 700 MHz.

Models: Fluke 9190A Ultra-Cool Field Metrology Well

9190A-A-156
Fluke 9190A-A-156 Ultra-Cool Field Metrology Well
Insert "A", imperial miscellaneous holes
–95°C to 140°C
Part#: 4178780
UPC#: 0 95969 63548 6
9190A-A-P-156
Fluke 9190A-A-P-156 Ultra-Cool Field Metrology Well
Insert "A", imperial miscellaneous holes
–95°C to 140°C, with Process Electronics
Part#: 4178800
UPC#: 0 95969 63550 9
9190A-B-156
Fluke 9190A-B-156 Ultra-Cool Field Metrology Well
Insert "B", imperial comparison holes
–95°C to 140°C
Part#: 4178821
UPC#: 0 95969 63552 3
9190A-B-P-156
Fluke 9190A-B-P-156 Ultra-Cool Field Metrology Well
Insert "B", imperial comparison holes
–95°C to 140°C, with Process Electronics
Part#: 4178842
UPC#: 0 95969 63554 7
9190A-C-156
Fluke 9190A-C-156 Ultra-Cool Field Metrology Well
Insert "C", 0.25 inch holes
–95°C to 140°C
Part#: 4178863
UPC#: 0 95969 63556 1
9190A-C-P-156
Fluke 9190A-C-P-156 Ultra-Cool Field Metrology Well
Insert "C", 0.25 inch holes
–95°C to 140°C, with Process Electronics
Part#: 4178888
UPC#: 0 95969 63558 5
9190A-D-156
Fluke 9190A-D-156 Ultra-Cool Field Metrology Well
Insert "D", metric comparison holes
–95°C to 140°C
Part#: 4178901
UPC#: 0 95969 63560 8
9190A-D-P-156
Fluke 9190A-D-P-156 Ultra-Cool Field Metrology Well
Insert "D", metric comparison holes
–95°C to 140°C, with Process Electronics
Part#: 4178935
UPC#: 0 95969 63563 9
9190A-DW-156
Fluke 9190A-DW-156 Ultra-Cool Field Metrology Well
Insert "DW", metric comparison holes
–95°C to 140°C
Part#: 4178947
UPC#: 0 95969 63564 6
9190A-DW-P-156
Fluke 9190A-DW-P-156 Ultra-Cool Field Metrology Well
Insert "DW", metric comparison holes
–95°C to 140°C, with Process Electronics
Part#: 4178964
UPC#: 0 95969 63566 0
9190A-E-156
Fluke 9190A-E-156 Ultra-Cool Field Metrology Well
Insert "E", metric miscellaneous holes with 0.25 inch hole
–95°C to 140°C
Part#: 4178986
UPC#: 0 95969 63568 4
9190A-E-P-156
Fluke 9190A-E-P-156 Ultra-Cool Field Metrology Well
Insert "E", metric miscellaneous holes with 0.25 inch hole
–95°C to 140°C, with Process Electronics
Part#: 4179006
UPC#: 0 95969 63570 7
9190A-F-156
Fluke 9190A-F-156 Ultra-Cool Field Metrology Well
Insert "F", metric comparison miscellaneous holes with 0.25 inch hole
–95°C to 140°C
Part#: 4179023
UPC#: 0 95969 63572 1
9190A-F-P-156
Fluke 9190A-F-P-156 Ultra-Cool Field Metrology Well
Insert "F", metric comparison miscellaneous holes with 0.25 inch hole
–95°C to 140°C, with Process Electronics
Part#: 4179045
UPC#: 0 95969 63574 5
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