The Fluke 9190A Ultra-Cool Field Metrology Well is the most accurate and stable, cold temperature dry-block on the market.
The Fluke 9190A Ultra-Cool Field Metrology Well is the most accurate and stable, cold temperature dry-block on the market.
| Manufacturer part number (MPN) | 4178780 |
| Brand | Fluke |
| Category | Tools |
| 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) |
| Operating conditions | 0°C to 35°C, 0% to 90% |
| 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 |
| 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 |
| System fuse ratings | 115 V: 6.3 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) |
| 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 |
| RTD resistance range | 0 Ω to 400 Ω |
| Resistance accuracy4 | 0 Ω to 25 Ω: ±0.002 Ω |
| 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 |
| 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 |
| MOQ | 1 |