5
Measuring Capacitance
See Figure
-8-
1.
Set the Range Switch to
P
.
2.
Connect the Test Leads: Red to
COM
, Black to
mA
3.
Turn off power to the circuit being measured.
4.
Discharge the capacitor using a 100 k
Ω
resistor.
5.
Free at least one end of the capacitor from the circuit.
6.
Connect the Test Probes across the capacitor. When measuring an electrolytic
capacitor match the test lead polarity to the polarity of the capacitor.
7.
Read the display.
Measuring Temperature
See Figure
-9-
1.
Set the Range Switch to
°C
or
°F
.
2.
Connect a TEMP adapter plug (XR-TA) to the
E
and
COM
inputs.
3.
Connect the K-type thermocouple to the TEMP adapter.
Match the polarity of the adapter to the polarity of the thermocouple.
Note: Thermocouple is not intended for contact with liquids or electrical circuits.
4.
Expose the thermocouple probe to the temperature to be measured.
5.
Read the display.
Measuring Frequency
See Figure
-10-
1.
Set the Range Switch to 1
MHz
.
2.
Connect the Test Leads: Red to
Hz
, Black to
COM
3.
Connect the Test Probes to the signal source.
4.
Read the display. The Meter will autorange for the best resolution.
Additional Features
Input Test Lead Warning
The meter emits a continuous tone when a test lead is placed in the
mA
or
10 A
input jack and the selector switch is not set to a correct current range. (If the DMM
is connected to a voltage source with its leads connected for current, very high
current could result). All current ranges are protected by fast acting fuses.
MIN MAX Measurements
XW
WARNING
To avoid erroneous readings, do not change the position of the
Function/Range Switch while the MIN MAX function is enabled.
The MIN MAX function reads and updates the display to show the maximum or
minimum value measured after you press the
MIN MAX
button.
Pressing the
MIN MAX
button for less than 1 second will put the meter into a mode
of displaying the maximum, minimum, or actual readings. Each time the button is
pressed, the meter will cycle to the next display mode as shown in the table below.
Press the
MIN MAX
button for more than 2 seconds to disable this feature.
Button Display
Value
Displayed
< 1 second
MAX
Maximum value after feature activated
< 1 second
MIN
Minimum value after feature activated
< 1 second
MIN MAX
(blinks)
Actual input after feature activated
> 2 seconds
Exit function
www.
.com
information@itm.com
1.800.561.8187
Summary of Contents for 33XR-A
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