Fluke VT02 User Manual page 25

Figure 8 shows how the D:S ratio compares on-screen for both models. The
higher the ratio, the smaller the target area needs to be for an accurate
measurement. Figure 9 illustrates the detection ability.
VT02 D:S = 6:1
Figure 8. On-Screen Comparison of D:S Ratio
Can detect a 1" spot in your field of view that
is at least 5 °C different from the surrounding area.
VT02
VT04A/VT04
Figure 9. Detection Ability
Visual IR Thermometer
VT04A/VT04 D:S = 9:1
A
B
A
25 mm @ 762 mm
25 mm @ 1090 mm
Menu Functions
hak21.eps
B
1 in @ 30 in
1 in @ 43 in
hak14.eps
17