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5
Operations Instructions (DC & AC Voltage Measurement)
1. Connect red test lead to “VΩmA” jack, Black lead to “COM” jack.
2. Set RANGE switch to desired VOLTAGE range, if the voltage to be measured is not known beforehand, set switch to the highest range and reduce it until
satisfactory reading is obtained.
3. Connect test leads to device or circuit being measured.
4. Turn on power of the device or circuit being measured voltage value will appear on Digital Display along with the voltage polarity.
DC Current Measurement
1. Red lead to “VΩmA”. Black lead to “COM” (for measurements between 200mA and 10A connect red lead to “10A” jack with fully depressed.)
2. Set RANGE switch to desired DCA range.
3. Open the circuit to be measured, and connect test leads IN SERIES with the load in with current is to measure.
4. Read current value on Digital Display.
5. Additionally, “10A” function is designed for intermittent use only. Maximum contact time of the test leads with the circuit is 15 seconds, with a minimum
intermission time of seconds between tests.
Resistance Measurement
1. Red lead to “VΩmA”. Black lead to “COM”.
2. Set RANGE switch to desired Ω range.
3. If the resistance being measured is connected to a circuit, turn off power and discharge all capacitors before measurement.
4. Connect test leads to circuit being measured.
5. Read resistance value on Digital Display.
Diode Measurment
1. Red lead to “VΩmA”, Black lead to “COM”.
2. Set RANGE switch to “
” range.
3. Connect the red test lead to the anode of the diode to be measured and black test lead to cathode.
4. The forward voltage drop in mV will be displayed. If the diode is reversed, figure “1” will be shown.
Temperature Measurement
1. Set RANGE switch to ºC or ºF range, it will display room temperature in ºC or ºF value.
2. Connect the K-type thermocouple to “VΩmA” and “COM” jacks.
3. The display will read Temperature value ºC or ºF.
NOTE:
The K-type thermocouple Max. Operating temperature of Probe: 250˚C/482˚F (300˚C/572˚F short-term). The sensor supplied with the instrument is an
ultra fast response naked bead thermocouple suitable for many general purpose applications.
Maximun Open Circuit Voltage:
3V.
Overload Protection:
15 seconds maxi-mum 220Vrms.
RESISTANCE
Range Resolution
Accuracy
200Ω
0.1Ω
±(1.0% of rdg +10D)
2ΚΩ
1ΚΩ
±(1.0% of rdg +4D)
20ΚΩ
10ΚΩ
200ΚΩ
100ΚΩ
2ΜΩ
1ΚΩ
TEMPERATURE (with K-TYPE PROBE)
Range
Resolution
Accuracy
-40ºC~150ºC
1ºC
±(1.0% + 4)
150ºC~1370ºC
±(1.5% + 15)
-40ºF~302ºF
1ºF
±(1.0% + 4)
302ºF~1999ºF
±(1.5% + 15)
BATTERY TEST
Range Resolution
Internal Resistance
12V
10mV
1.2KΩ
9V
10mV
900Ω
1.5V
1mV
3KΩ
