HUMIDITY TEMPERATURE METER
3
Button Location:
○
1
Dust mask
○
2
Sensor probe
○
3
T2 channel, “K” type thermocouple
probe input
○
4
LCD display
○
5
ON/OFF button
○
6
REL button
○
7
°C control button
○
8
MAX MIN function control button
○
9
HOLD button
○
10
°F control button
○
11
K type offset calibration screw
○
12
Digital output connector (RS-232)
○
13
AC power adapter connector
○
14
Tripod connector
○
15
Battery cabinet cover
V. Operation Instructions:
4.1 Power-Up
Press the power button to turn the Humidity Temperature Meter ON or OFF.
4.2 Humidity and Temperature Measurement
For measurement, place the sensor probe in the tested environment.
4.3 Connection the Thermocouples ( T2 channel )
For measurement, plug the thermocouple probe into the input connector.
4.4 Selecting the Temperature Scale
When the meter was first power on, the default scale setting is set at Celsius (°C) scale. The user
may change it to Fahrenheit (°F) by pressing “
°F
” button and vice versa to Celsius by pressing
“
°C
” button.
4.5 Data-Hold Operation
The user may hold the present reading and keep it on the display by pressing the “
HOLD
” button.
When the held data is no longer needed, one may release the data-hold operation by pressing
“
HOLD
” button again.
When the meter is under Data Hold operation, the
"MAX MIN"
and “
°C
“ “
°F
” “
U
REL
”
button are
disabled. (when you press “
°C
“ “
°F
” “
U
REL
”
and
"MAX MIN"
button in HOLD mode, there will
be two continuous beeps)
4.6 MAX/MIN Operation:
When one press the "MAX MIN" button the meter will enter the MAX/MIN mode. Under this mode
the maximum value, minimum value is kept in the memory simultaneously and updated with every
new data.
When the MAX symbol is display, the Maximum is shown on the display.
Press "MAX MIN" again, then the MIN symbol is on the display and also the minimum reading.
R
S
-2
3
2
D
C
9
V
C
A
L
11
MANUAL FOR SAFE
OPEN
NEDA 1604 6F22 00
PLEASE READ
9V BATTERY
POWER-UP OPTIONS
C
4 F
HUMIDITY:
)
(
200
F
328
0
TEMP:
20 C
C
F
140
1370
2498
%RH
100
C
F
C
60
F
REL
HOLD
8
9
3
4
5
6
7
1
T1
K-TYPE
T2
(
)
2
TECPEL
Summary of Contents for DTM-322
Page 2: ...311 01 JUL 2000 TECPEL ...