CEM DT-9989, User Manual, Page: 15 / 68

5-6 Temperature Measurements .
1.Set the function switch to the green
TEMP( C or F) position.
.Insert the Temperature Probe into the input
jacks, making sure to observe the correct
polarity.
.Read the temperature in the display
.To input a temperature offset value, press
the softkey labeled Offset to open a message
box with the present offset value.
Use
and to position the cursor over
one of the digits or the polarity sign.
Use
and to scroll through the numbers
for each digit in the offset or switch between
a + or – offset. With the desired value
displayed, press the softkey labeled OK to
set the temperature offset.
° °
2.press the soft key labeled Menu. Move the
menu selector to the menu item labeled
TEMP. Press the soft key TEMP(C or F).
3
4
5
5-7.Frequency Measurements
1.Set the function switch to the green Hz%
position.
2.Insert the black test lead banana plug into
the negative COM jack. Insert the red test
lead banana plug into the positive V jack.
3.Read the Frequency in the display
CAP
Hz %
Temp
10A
mA
μA
Ω
mV
V
OSC
Hz
%
HELP
HOLD
MODE
AUTO
REC
HOLD RANGE
MAX
MIN
ESC
F1 F2 F3 F4
auto range
°C
100.00
8:10pm 06/13/07
V CAP Ω
Hz % Temp
CAT III 600V
DT-9989
Bluetooth
CAP
Hz %
Temp
10A
mA
μA
Ω
mV
V
OSC
Hz
%
HELP
HOLD
MODE
AUTO
REC
HOLD RANGE
MAX
MIN
ESC
F1 F2 F3 F4
auto range
Hz
50.000
8:10pm 06/13/07
0.00%
V CAP Ω
Hz% Temp
CAT III 600V
DT-9989
Bluetooth
15
True RMS Multimeter