Omega HHM27, Руководство пользователя

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8
Voltage Measurements
1. Connect the red test lead to the "V
W
" jack and the black test lead to the
"COM" jack.
2. Set the Function/Range switch to the desired voltage function.
3. Connect the test leads to the device or circuit being measured.
4. For dc, a (-) sign is displayed for negative polarity; positive polarity is implied.
25 MILLI - VOLTS Measurements
1. Connect the red test lead to the "µAmA" jack and the black test lead to the
"COM" jack.
2. Set the Function/Range switch to the desired voltage function.
3. Connect the test leads to the device or circuit being measured.
4. For dc, a (-) sign is displayed for negative polarity; positive polarity is implied.
Current Measurements
1. Set the Function/Range switch to the desired current range (µA,mA,A)
position.
2. To toggle between "DC" and "AC" mode, press SELECT button. The "DC"
or "AC" annunciators is displayed in the upper left corner.
3. For current measurements less than 250mA, connect the red test lead to the
µAmA jack and the black test lead to the COM jack.
4. For current measurements of 250mA or greater, connect the red test lead
to the A jack and the black test lead to the COM jack.
5. Remove power from the circuit under test and open the normal circuit path
where the measurement is to be taken. Connect the meter in series with the
circuit.