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3.19 AC Voltage Measurements
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
terminal.
~
Set the rotary switch to the V
position.
Set the high frequency rejection as required (see section 3.12).
Taking all necessary safety precautions connect the test leads to the
circuit being measured and read the measured ac voltage from the
display.
To display the frequency of the measured ac voltage press the
button.
Press again to revert back to measured ac voltage.
3.20 DC Voltage Measurements
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
terminal.
V
Set the rotary switch to the
Taking all necessary safety precautions connect the test leads to the
circuit being measured and read the measured dc voltage from the
display.
3.21 AC & DC Current Measurements up to 400mA
Connect the black test lead to the COM terminal and the red test
lead to the μA mA terminal.
μA
Set the rotary switch to the
Read the measured capacitance from the display.
3.24 Frequency and Duty Cycle Measurements
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
terminal.
Set the rotary switch to the Hz% position.
Taking all necessary safety precautions connect the test leads to
the circuit being measured and read the measured frequency from
the display.
To display the measured duty cycle press the
Press again to revert back to measured frequency.
3.25 Temperature Measurements
Set the rotary switch to the °C °F position and set the TEMP switch
to the TEMP position.
The clamp meter defaults to measurement in °C.
For measurement in °F press the
Press again to revert back to °C.
Connect a Type K thermocouple probe, suitable for the type of
temperature measurement and temperature range being made, to
the K-TYPE sockets.
Taking all necessary safety precautions position the thermocouple
at the surface or in the medium to be measured and read the
measured temperature from the display.
SEL
ZERO
position.
mA
or
position as required.
SEL
ZERO
button.
SEL
ZERO
button.
The clamp meter defaults to dc current measurement. The LCD will
display the DC symbol.
To measure ac current press the
the AC symbol.
Press again to revert back to dc current measurement.
Taking all necessary safety precautions connect the test leads to
the circuit being measured and read the measured ac or dc current
from the display.
3.22 Resistance Measurements
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
Set the rotary switch to the
Taking all necessary safety precautions connect the test leads to
the circuit being measured and read the measured resistance from
the display.
3.23 Capacitance Measurements
Be sure the capacitor being tested is completely discharged
before connecting the test leads.
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
Set the rotary switch to the
Taking all necessary safety precautions and observing the correct
polarity for electrolytic capacitors, connect the test probes to the
capacitor to be measured.
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CMi210 instructions rev1.indd 29
3.26 Continuity Testing
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
Set the rotary switch to the
SEL
ZERO
Press the
Taking all necessary safety precautions connect the test leads to
the circuit being tested.
If the resistance is < 40 , the buzzer will sound continuously. The
resistance value will be displayed if
3.27 Diode Testing
If the diode to be tested is in circuit, be sure the circuit power is
switched off.
Connect the black test lead to the COM terminal and the red test
lead to the V Hz
Set the rotary switch to the
SEL
ZERO
Press the
Taking all necessary safety precautions connect the test leads to
the diode being tested.
If the diode is good a forward bias will give a display reading of
around 0.6 V (silicon diode) and a reverse bias will give a display
of OL. If the diode is shorted or open circuit the display will indicate
approx. 0V or OL respectively for both forward and reverse bias.
16
17
SEL
ZERO
button. The LCD will display
terminal.
position.
terminal.
position.
terminal.
position.
button once. The LCD will display the
600 .
terminal.
position.
button twice. The LCD will display the
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symbol.
symbol.
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