FLIR
TG54_TG56
User
Manual
12
Document
Identifier:
TG54_TG56
‐
en
‐
US_AA
10,
or
20
seconds),
after
which
the
meter
switches
off
automatically.
To
set
the
Auto
Power
OFF
period
please
refer
to
Section
6,
Programming
Menu
.
6.
The
laser
pointer
targets
the
measurement
‘spot’.
The
Laser
pointer
can
be
deactivated
in
the
Programming
menu.
7.
At
this
point
it
is
important
to
read
Section
9.2,
Infrared
Energy
and
IR
Thermometer
Theory,
and
Section
5.3,
Distance
‐
To
‐
Spot
Ratio
.
5.3
Distance
‐
To
‐
Spot
Ratio
The
TG54
Distance
‐
to
‐
Spot
ratio
(D:S)
is
24:1
From
a
distance
of
24”
the
TG54
measures
the
average
temperature
of
a
spot
1”
in
diameter.
From
a
distance
of
48”
the
spot
diameter
is
2”
and
from
a
distance
of
72”
the
spot
diameter
is
3”.
The
temperature
is
shown
at
the
center
of
the
display.
Refer
to
Figs.
5
‐
1
(a)
below
for
illustrative
examples
of
Distance
to
Spot
ratio.
The
TG56
Distance
‐
to
‐
Spot
ratio
(D:S)
is
30:1
From
a
distance
of
30”
the
TG56
measures
the
average
temperature
of
a
spot
1”
in
diameter.
From
a
distance
of
60”
the
spot
diameter
is
2”
and
from
a
distance
of
90”
the
spot
diameter
is
3”.
The
temperature
is
shown
at
the
center
of
the
display.
Refer
to
Figs.
5
‐
1
(b)
below
for
illustrative
examples
of
Distance
to
Spot
ratio.
Fig
5
‐
1
(a)
TG54
Distance
to
Spot
ratio
24:1
