Fluke
Fluke 4180/ 4181 Precision Infrared Calibrators
Manufacturer: Fluke Calibration
Model: 4180/ 4181
Features
- Calibrated radiometrically for meaningful, consistent results.
- Accredited calibration included
- Accurate, reliable performance from –15 °C to 500 °C
- Large target size of 152 mm (6 in) is required for calibrating most thermometers.
- Light instrument weight of 8.6 kg (19 lbs) makes it easy to lift and carry.
- Intuitive, easy-to-read display that indicates when temperature is stable.
Specifications
| Specification | 4180 | 4181 |
|---|---|---|
| Temperature range (@ 23 °C ambient, 0.95 emissivity) | –15 °C to 120 °C | 35 °C to 500 °C |
| Display accuracy1 | ± 0.40 °C at –15 °C ± 0.40 °C at 0 °C ± 0.50 °C at 50 °C ± 0.50 °C at 100 °C ± 0.55 °C at 120 °C |
± 0.35 °C at 35 °C ± 0.50 °C at 100 °C ± 0.70 °C at 200 °C ± 1.20 °C at 350 °C ± 1.60 °C at 500 °C |
| Stability | ± 0.10 °C at –15 °C ± 0.05 °C at 0 °C ± 0.10 °C at 120 °C |
± 0.05 °C at 35 °C ± 0.20 °C at 200 °C ± 0.40 °C at 500 °C |
| Uniformity (5.0 in dia of center of target)2 | ± 0.15 °C at –15 °C ± 0.10 °C at 0 °C ± 0.25 °C at 120 °C |
± 0.10 °C at 35 °C ± 0.50 °C at 200 °C ± 1.00 °C at 500 °C |
| Uniformity (2.0 in dia of center of target)2 | ± 0.10 °C at –15 °C ± 0.10 °C at 0 °C ± 0.20 °C at 120 °C |
± 0.10 °C at 35 °C ± 0.25 °C at 200 °C ± 0.50 °C at 500 °C |
| Heating time | 15 min: –15 °C to 120 °C 14 min: 23 °C to 120 °C |
45 min: 35 °C to 500 °C |
| Cooling time | 15 min: 120 °C to 23 °C 20 min: 23 °C to –15 °C |
100 min: 500 °C to 35 °C 40 min: 500 °C to 100 °C |
| Stabilization time | 10 minutes | |
| Nominal emissivity3 | 0.95 | |
| Thermometer emissivity compensation | 0.9 to 1.0 | |
| Target diameter | 152.4 mm (6 in) | |
| Computer interface | RS-232 | |
| Power | 115 V ac (± 10%), 6.3 A, 50/60 Hz, 630 W 230 V ac (± 10%), 3.15 A, 50/60 Hz, 630 W |
115 V ac (± 10%), 10 A, 50/60 Hz, 1000 W 230 V ac (± 10%), 5 A, 50/60 Hz, 1000 W |
| Fuse(s) | 115 V ac 6.3 A, 250 V, slow blow 230 V ac 3.15 A, 250 V, T |
115 V ac 10 A, 250 V, fast blow 230 V ac 5 A, 250 V, F |
| Size (HxWxD) | 356 mm x 241 mm x 216 mm (14 in x 9.5 in x 8.5 in) | 356 mm x 241 mm x 216 mm (14 in x 9.5 in x 8.5 in) |
| Weight | 9.1 kg (20 lb) | 9.5 kg (21 lb) |
Notes:
1. For 8 µm to 14 µm spectral band thermometers with emissivity set between 0.9 and 1.0.
2. The uniformity specification refers to how IR thermometers with different spot sizes both focused at the center of the target will measure the same temperature.
3. The target has a nominal emissivity of 0.95, however it is radiometrically calibrated to minimize emissivity related uncertainties.
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