Fluke 4180 and 4181 Infrared Calibrator Specifications

	*Models 4180/4181 Infrared Calibrator Specifications*
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Models 4180 and 4181 Precision Infrared Calibrator - Specifications

Item

Model 4180

Model 4181

Temperature range @ 23°C ambient 0.95 emissivity

-15°C to 120°C

35°C to 500°C

Display Accuracy ^{Note 1.}

±0.40°C at -15°C

±0.35°C at 35°C

±0.40°C at 0°C

±0.50°C at 100°C

±0.50°C at 50°C

±0.70°C at 200°C

±0.50°C at 100°C

±1.20°C at 350°C

±0.55°C at 120°C

±1.60°C at 500°C

Stability

±0.10°C at -15°C

±0.50°C at 35°C

±0.05°C at 0°C

±0.20°C at 200°C

±0.10°C at 120°C

±0.40°C at 500°C

Uniformity (5.0 inch Dia of center of target) ^{Note 2.}

±0.15°C at -15°C

±0.10°C at 35°C

±0.10°C at 0°C

±0.50°C at 250°C

±0.25°C at 120°C

±1.00°C at 500°C

Uniformity (2.0 inch Dia of center of target) ^{Note 2.}

±0.10°C at -15°C

±0.10°C at 35°C

±0.10°C at 0°C

±0.25°C at 250°C

±0.20°C at 120°C

±0.50°C at 500°C

Heating Time

15 min: -15°C to 120°C

20 min: 35°C to 500°C

14 min: 23°C to 120°C

Cooling Time

15 min: 120°C to 23°C

40 min: 500°C to 100°C

20 min: 23°C to -15°C

Stabilization Time

10 minutes

Nominal Emissivity ^{Note 3.}

0.95

Thermometer Emissivity Compensation

0.9 to 1.0

Target Diameter

152.4mm (6 inches)

Computer Interface

RS-232

Power (50/60 Hz, 630 W)

115V AC (±10%), 6.3A

230V AC (±10%), 3.15A

Power (50/60 Hz, 1000 W)

115V AC (±10%), 10A

230V AC (±10%), 5A

Fuses	115V AC
	230V AC

6.3A 250V slow blow

10A 250V slow blow

3.15A 250V

5A 250V very fast blow

Dimensions

356mm (H) x 241mm (W) x 216mm (D)

Weight

9.1kg

9.5kg

Safety

EN 61010-1:2001, CAN/CSA C22.2 No. 61010.1-04

Note ^1.	For 8um to 14um spectral band thermometers with emissivity set between 0.9 and 1.0
Note ^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.
Note^3.	The target has a nominal emissivity of 0.95, however it is radiometrically calibrated to minimize emissivity
	related uncertainties.