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5
OPERATION
Before taking any measurements, read the Safety Information Section.
Always examine the instrument for damage, contamination (excessive dirt,
grease, etc.) and defects. Examine the test leads for cracked or frayed
insulation. If any abnormal conditions exist do not attempt to make any
measurements.
H
Button:
Press "
H
" button to toggle in and out of DATA Hold mode, In the DATA Hold
mode, the "
H
" annunciator is displayed. (The DATA Hold mode may be exited
when changing function.)
Voltage Measurements
1. Connect the red test lead to the "V" jack and the black test lead to the "COM"
jack.
2. Set the Function/Range switch to the desired Voltage type (AC or DC) and
range. If magnitude of voltage is not known, set switch to the highest range
and reduce until a satisfactory reading is obtained.
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.
Содержание HHM590
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