Forced Air And Convection - Fluke 4180 Operator's Manual

If uncertain of the emissivity setting of the IR thermometer you are calibrating, consult your IR
thermometer's User's Guide or your IR thermometer's manufacturer.
ɛ
0.90
0.91
0.92
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1.00

Forced Air and Convection

Since the Product has a large surface area, a major component of the temperature uncertainty is
caused by changes in convection. Because of this, keep the Product away from areas with large
amounts of air flow or drafts.
Table 5. Apparent Temperature Limits
4180
HI (°C) LO (°C)
120.0 -15.0
120.0 -15.0
120.0 -15.0
120.0 -15.0
120.0 -15.0
120.0 -15.0
119.2 -14.5
118.4 -14.0
117.6 -13.5
116.8 -13.0
116.0 -12.5
Precision Infrared Calibrator
4181
HI (°C) LO (°C)
500.0 35.0
500.0 35.0
500.0 35.0
500.0 35.0
500.0 35.0
500.0 35.0
496.6 35.0
493.2 35.0
489.8 35.0
486.4 35.0
483.0 35.0
Quick Start
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