User's Manual

Table Of Contents
10400603;a2
Figure 34.3 Relative magnitudes of radiation sources under varying measurement conditions (SW camera).
1: Object temperature; 2: Emittance; Obj: Object radiation; Refl: Reflected radiation; Atm: atmosphere
radiation. Fixed parameters: τ = 0.88; T
refl
= 20°C (+68°F); T
atm
= 20°C (+68°F).
Publ. No. T559597 Rev. a554 ENGLISH (EN) September 27, 2011 183
34 The measurement formula