![background image](http://html1.mh-extra.com/html/extech-instruments/gx900/gx900_user-manual_2453311022.webp)
Extech
Instruments
22 GX900-EU-EN V1.6 4/14
TEMPERATURE
MEASUREMENTS
1.
Set
the
function
switch
to
the
TEMP
position.
2.
Press
the
F1
key
(MENU),
move
the
menu
selector
to
the
item
labeled
TEMP,
and
then
press
the
OK
key
3.
Move
the
menu
selector
to
menu
item
labeled
FAHRENHEIT,
Celsius,
or
Kelvin
and
then
press
the
OK
key
4.
Insert
the
Temperature
Probe
into
the
input
jacks
ensuring
correct
polarity.
5.
Touch
the
Temperature
Probe
head
to
the
device
under
test.
Maintain
contact
with
the
device
until
the
reading
stabilizes
(about
30
seconds).
6.
Read
the
temperature
in
the
display.
To
input
a
temperature
offset
value,
press
the
F3
key
(OFFSET).
A
message
box
will
appear
showing
the
currently
selected
offset
value.
Use
the
right/left
arrow
keys
to
position
the
cursor
over
one
of
the
digits
(or
the
polarity
sign).
Then
use
the
up/down
arrows
to
edit
the
selected
digit
or
polarity
sign.
With
the
desired
value
displayed,
press
the
F1
key
(OK)
to
confirm
the
temperature
offset.
Note:
The
temperature
probe
is
fitted
with
a
type
K
mini
connector.
A
mini
connector
to
banana
connector
adaptor
is
supplied
for
connection
to
the
input
banana
jacks.
The
adapter
connects
to
COM
(
‐
)
and
V
(+).
Note:
The
temperature
range
of
the
supplied
thermocouple
probe
is
‐
20
to
250°C
(
‐
4
to
482°F)