TiS55+/TiS75+
Users Manual
20
Delta-T
Use Delta-T to set the center point or a spot marker to use as a temperature reference mark.
The other markers will show the temperature difference from the reference point. At least
one marker must be on to use the Delta-T feature.
To set a temperature reference mark:
1. Select
m
>
Markers
>
Delta-T
.
2. Select the marker to use as the reference, or select the Center Point.
[
The temperature shows next to the reference mark
Δ
The temperature difference relative to the temperature of the reference mark shows
next to the other spot markers.
Note
If you only have one marker, the reference marker is the Center Point. The Center
Point can be a temperature reference mark, but it cannot be the delta point. It is
either the main reference mark or it is not a delta reference at all.
Spot Box
Use the Spot Box feature to set a temperature measurement zone (box) to center on the
target and to adjust the sizes or position of the box. The box expands or contracts to
different levels within the infrared image. The box shows an approximate maximum (MAX),
average (AVG), and minimum (MIN) temperature measurement in that area.
To set a spot box:
1. Select
m
>
Spot Boxes
.
2. Select the number of Spot Boxes.
A white box shows on the display.
a
toggles between
Size
and
Position
.
3. If necessary, push
a
to select
Size
.
;
shows on the display.
4. Drag
to increase or decrease the size of the Spot Box.
Or,
Push:
•
W
to decrease the vertical size.
•
X
to increase the vertical size.
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