Extech Instruments MiniTec Series User Manual page 4

Operating Instructions
AC or DC Voltage Measurements
1. Insert the black test lead banana plug into the negative
COM jack and the red test lead banana plug into the
positive V jack.
2. Turn the rotary switch to the VDC or VAC range needed.
3. Touch the test probes to the circuit under test and read the
voltage on the display.
DC Current Measurements
CAUTION: Do not make current measurements on the 10A scale for longer
than 30 seconds. Exceeding 30 seconds may cause damage to the meter
and/or the test leads. Allow 15 minute cool-down after high current
measurements
1. Insert the black test lead banana plug into the negative
COM jack and the red test lead banana plug into the;
a. Positive mA jack for currents to 200mA
b. Positive 10A jack for currents to 10A
2. Turn the rotary switch to the ADC range needed.
3. Touch the test probes in series with the circuit under
test and read the current on the display.
Resistance Measurements
1. Insert the black test lead banana plug into the negative COM jack and the
red test lead banana plug into the positive  jack.
2. Turn the rotary switch to the  range needed.
3. Touch the test probes to the circuit or device under test
and read the resistance on the display.
Continuity Measurements
1. Insert the black test lead banana plug into the negative
COM jack and the red test lead banana plug into the
positive  jack.
2. Turn the rotary switch to the
3. Touch the test probes to the circuit or device under test. If the resistance is
less than approximately 30 the buzzer will sound. Read the resistance on
the display.
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