Fluke
Fluke 9190A Ultra-Cool Field Metrology Well
Manufacturer: Fluke Calibration
Model: 9190A
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
Specifications
| Specification | Details |
|---|---|
| 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 conditions | 0°C to 35°C, 0% to 90% RH (non-condensing) |
| 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 | |
| Stabilization time2 | 15 min |
| Resolution | 0.01° |
| Display | LCD, °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) |
| Weight | 16 kg (35 lb) |
| 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 | |
| 4–20 mA fuse (-P model only) | 50 mA F 250 V |
| Computer interface | RS-232, and USB Serial 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 |
| 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 range | 0 Ω to 400 Ω |
| Reference resistance accuracy4 | 0 Ω to 42 Ω: ±0.0025 Ω 42 Ω to 400 Ω: ±60 ppm of reading |
| Reference characterizations | ITS-90, CVD, IEC-751, resistance |
| Reference measurement capability | 4-wire |
| Reference probe connection | 6-pin din with INFO-CON technology |
| Built-in RTD thermometer readout accuracy | NI-120: ±0.015°C at 0°C |
| PT-100 (385): ±0.02°C at 0°C | |
| (3926): ±0.02°C at 0°C | |
| PT-100 (JIS): ±0.02°C at 0°C | |
| RTD resistance range | 0 Ω to 400 Ω |
| Resistance accuracy4 | 0 Ω to 25 Ω: ±0.002 Ω |
| 25 Ω to 400 Ω: ±80 ppm of reading | |
| RTD characterizations | PT-100 (385), (JIS), (3926), NI-120, resistance |
| RTD measurement capability | 2-wire, 3-wire, and 4-wire RTD with jumpers only |
| RTD connection | 4-terminal input |
| Built-in TC thermometer readout accuracy5 | Type J: ±0.70°C at 140°C |
| K: ±0.75°C at 140°C | |
| Type T: ±0.60°C at 140°C | |
| E: ±0.60°C at 140°C | |
| Type R: ±1.60°C at 140°C | |
| Type S: ±1.60°C at 140°C | |
| M: ±0.65°C at 140°C | |
| Type L: ±0.65°C at 140°C | |
| U: ±0.70°C at 140°C | |
| Type N: ±0.75°C at 140°C | |
| C: ±1.00°C at 140°C | |
| TC millivolt range | –10 mV to 75 mV |
| Voltage accuracy | 0.025% of reading +0.01 mV |
| Internal cold junction compensation accuracy | ±0.35°C (ambient of 13°C to 33°C) |
| TC connection | Miniature connectors (ASTM E1684) |
| Built-in mA readout accuracy | 0.02% of reading + 0.002 mA |
| mA range | Cal 4-22 mA, Spec 4-24 mA |
| mA connection | 2 terminal input |
| Loop power function | 24 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 within 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.
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