N
O
RM
A
L M
E
ASU
R
E
M
E
N
T
:
1. Turn meter on by pressing “ON/OFF” button.
2. Press “C/F” key to convert reading to
desired range. Both temperature and
relative humidity measurement will
display simultaneously.
M
IN/MA
X
FUNCTION:
1. Press and hold “MIN/MAX” button until
(MIN) appears on display. Display is now
showing minimum humidity and temperature
reading in memory.
2. Press and hold “MIN/MAX” button again
until (MAX) appears on display. Display is
now showing maximum humidity and
temperature readings in memory.
3. To return to current temperature and
humidity readings, press and hold
“MIN/MAX” button until (MIN) or (MAX)
disappears from display.
4. To clear current “MIN” and “MAX” reading
from memory, press and hold “RESET”
button until entire display flashes.
D
ATE
H
O
L
D
FU
NC
T
I
O
N:
1. Press “HOLD” button until (HLD) appears
in display. The current reading is now
being held and will not change until
“HOLD” function is cancelled.
2. Press “RESET” button to cancel the
“HOLD” function. The Hold function
can be used for temperature, humidity,
dew-point and wet bulb.
A
UT
O
PO
W
ER
O
F
F:
1. Unit will turn itself off after 20 minutes.
(Sleep mode)
2. To override Auto Power Off function
(Non-Sleep Mode) press “ON/OFF” and
“MIN/MAX” button simultaneously.
After the full display appears release
“ON/OFF” button, the display will show
“n” in left side. When “n” appears, then
release “MIN/MAX” button. Unit will now
be in Non-sleep Mode.
C
HA
NG
I
N
G
TH
E
BAT
T
ER
Y
:
1. Use a coin to turn off the battery cover.
2. Put the battery whose “+” faces out
into the battery compartment, place the
battery cover back and lock it.
NO
TE:
Remember low batteries will tend
to give inaccurate readings, so make sure
you have good batteries.
Please do not immerse probe into liquids
as this will cause permanent damage
to the sensor.
PTH8708 Manual Page 2 060815
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