Battery Replacement
Always use a fresh replacement battery of the specified size and type.
Immediately remove the old or weak battery from the meter and
dispose of it in accordance with your local disposal regulations. Batteries
can leak chemicals that corrode electronic circuits. If your meter is not
going to be used for a month or more, remove and store the battery in
a place that will not allow leakage to damage other materials.
To install a new battery, follow these procedures:
1. Remove battery cover, by using a coin.
2. Replace batter with “
+
” side up. Replace cover.
S p e c i f i c a t i o n s
Safety Notes
Before using this instrument, read all safety information carefully. In
this manual the word
"WARNING"
is used to indicate conditions
or actions that may pose physical hazards to the user. The word
"CAUTION"
is used to indicate conditions or actions that may
damage this instrument.
WARNING!
DO NOT
immerse probes into liquids as this will cause permanent
damage to the sensor
Operating Instructions
Normal Measurement
1. Turn the meter on by pressing the “ON/OFF” button.
2. Press the “C/F” key to convert reading to desired range.
Both temperature and relative humidity measurement will
display simultaneously.
MIN/MAX Function
1. Press and hold the “
MIN/MAX
” button until “
MIN
” appears on
the display. The display is now showing minimum humidity and
temperature reading in the memory.
2. Press and hold the “
MIN/MAX
” button again until “
MAX
”
appears on the display. The display is now showing maximum
humidity and temperature readings in the memory.
3. To return to the current reading, press and hold the “
MIN/MAX
”
button until “
MIN
” or “
MAX
” disappears from the display.
4. To clear current “
MIN
” and “
MAX
” readings from memory, press
and hold the button until the entire display flashes on one time.
MIN/MAX Function
Press and hold the data hold button until “
HLD
” appears in the display.
The current reading is now being held and will not change until the hold
function is canceled. Press the reset button to cancel the hold function.
The hold function will hold both for temperature and humidity readings.
Auto Power Off
The unit will turn itself off after 20 minutes (sleep mode). To override
the auto power off function (non-sleep mode), press the “
ON/OFF
”
button and “
MIN/MAX
” button simultaneously. After the display
appears, release the “
ON/OFF
” button. The left side of the display will
show “n”. When “n” appears, release the “
MIN/MAX
” button. The unit
will now be in non-sleep mode.
DTH10-MAN
P. 1
S i z e
6.5” x 1.5” x 5” (17.5 cm x 4.2 cm x 1.6 cm)
B a t t e ry
(1) lithium CR 20 32 3V Life = 150 hours
S e n s o r
Electronic capacitance polymer film sensor
A c c u ra cy
±5% from 5 to 95% RH at 25˚C and ±1˚C from -10 to +45˚C
R e s o l u t i o n
0 .1˚F / 0.1 ˚ C
