Operation
5
5. Press the Laser pointer button to switch ON the Laser pointer. The Laser
pointer has a circular spot indicating the area that is being monitored for
temperature. See the Laser pointer image example below in
Figure 5.2
. If
the Laser beam does not appear when the button is pressed, enable it in
the menu system (under
Device Settings
).
6. The temperature reading on the display represents the measurement of
the targeted spot. See
Figure 5–1
.
7. The distance-to-spot ratio is 24:1 (TG267) or 30:1 (TG297) and the mini-
mum target distance is 10.2 in. (26 cm).
8. To measure higher than 752
℉
(400
℃
) on the TG297 use the High Tem-
perature Switch, see Section 5.3 below.
9. If a measurement is out of range, the display will show ‘
OL
’.
10. To adjust the Emissivity, use the menu system (under
Measurement
).
11. To change the display color palette, use the menu system (under
Image
Adjustments/Colors
).
Figure 5.2
Laser pointer with temperature measurement spot
5.3
High Temperature Switch (TG297)
1. To access the high temperature mode of the TG297, slide the lever to the
right (to expose the red color code).
2. The lever is located directly below the lens area and above the image cap-
ture trigger.
3. When engaged, the high end of the temperature range (>752
℉
[400
℃
])
is accessible.
5.4
Type-K Thermocouple Measurements (TG267)
WARNING
Note the temperature range limit printed on the thermocouple connector (or verify the
range with the manufacturer). The supplied probe cannot be used to measure temperature
through the entire display range listed in the specification section of this manual; measur-
ing temperature beyond the range printed on the thermocouple connector can damage the
probe and the TG267. If the thermocouple does not include a range label, please contact
FLIR technical support.
#NAS100014; r. AA/59807/59807; en-US
8
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