4180 Series
Precision Infrared Calibrators

Model #4180/4181

Fast, portable and easy to use.
Correct target size for most thermometerss
Calibration solutions from 5 to 932°F / –15 to 500°C.
Radiometrically calibrated for traceable and consistent results.

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Should your thermometer be calibrated by one of these?
Business decisions costing thousands of dollars are based on the results of your measurements, so they had better be right! It can be very expensive to shut down a line for repairs and maintenance, but it might be catastrophic if the shutdown is unplanned. To stand by your measurements with confidence, you should definitely have your thermometers calibrated.

How to get consistent results
Even those infrared thermometers that cannot be adjusted can benefit from a calibration that demonstrates the consistency and validity of your results. A trusted calibration means less worry, fewer questions and more time being productive. To get more reliable, traceable, and consistent results, buy a precision infrared calibrator from Thermoworks. The 4180 Series of Precision Infrared Calibrators for infrared thermometers and thermal imagers is fast, accurate, and easy to use. It comes with an accredited calibration from one of the world's most trusted temperature calibration laboratories, sample calibration procedures for thermometers built right in and everything you need to get started making high-quality infrared thermometer calibrations. This is the perfect solution for any infrared thermometer or thermal imager within its temperature range.

The 4180 reaches temperatures from 5 to 248°F / –15 to 120°C and the 4181 has a temperature range from 95 to 932°F / 35 to 500°C. Check out the uniformity of the large six inch / 152.4mm targets shown in the Fluke Ti30 photo. The uniformity and stability are so good that variations can't be detected with a thermal imager. Uniformity is important in infrared temperature calibration work because an infrared thermometer will "see" as much as the entire target when placed at the appropriate calibration distance and each pixel of a thermal imager registers a temperature that needs to be both accurate and consistent across the imager.

In addition, with accuracies as good as ±0.35°C, the 4180 Series can meet its specifications without additional emissivity-related corrections, leading to legitimate test uncertainty ratios (TUR) as good as 4:1.

  4180 4181
Temperature Range
(at 23°C ambient, 0.95 emmissivity)		 5 to 248ºF
–15 to 120°C		 95 to 932ºF
35 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
Uniformity2
(5.0 in. diameter of center of target)		 ± 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
Uniformity2
(2.0 in. diameter of center of target)		 ± 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 to 120°C
14 min: 23 to 120°C		 20 min: 35 to 500°C
Cooling Time 15 min: 120 to 23°C
20 min: 23 to –15°C		 100 min: 500 to 35°C
40 min: 500 to 100°C
Stabilization Time 10 minutes
Nominal Emissivity3 0.95
Thermometer Emissivity Compensation 0.9 to 1.0
Target Diameter 6" / 152.4mm
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 a (± 10%), 5 A,
50/60 Hz, 1000 W
Fuses 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 14 (H) x 9.5 (W) x 8.5 (D) inches
356 (H) x 241 (W) x 216 (D) mm
Weight 9.1 kg (20 lb) 9.5 kg (21 lb) 
Safety EN 61010-1:2001, CAN/CSA C22.2 No. 61010.1-04
1For 8 mm to 14 mm spectral band thermometers with emissivity set between 0.9 and 1.0.
2The uniformity specification refers to how IR thermometers with different spot sizes both focused at the center of the target will measure the same temperature.
3The target has a nominal emissivity of 0.95, however it is radiometrically calibrated to minimize emissivity related uncertainties.

 

PDFDownload 4180 Data sheet

NIST

Calibrate it right the first time.
The 4180 series Hart calibrators feature a traceable, uniform, correctly-sized target.

4180 SERIES INFRARED CALIBRATORS
4180 Precision Infrared Calibrator,
-15 to 120ºC
4181 Precision Infrared Calibrator,
35 to 500ºC
Included Accessories:
Accredited radiometric calibration report, target cover, User Guide, Getting Started Guide, and 9930 Interface-it software with User Guide
Accessories
4181-CASE Carrying case, 4180 or 4181.

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