Amprobe DM78B Digital-Multimeter Bedienungsanleitung PDF herunterladen (Seite 6)

• Do not operate instrument in an explosive atmosphere.

• Clean instrument with mild detergent only.

Buzzer

Note: The buzzer sounds for function change, Range Lock, Range

Hold, and continuity.

Measuring Procedures

General

Ranging: The meter defaults to autoranging when turned on, and

selects the range automatically. For Manual Ranging: press “Range

Lock” Button to hold selected range ( Z on the display ) Pressing

“Range Lock” again steps to next range. Hold button for 2 sec. to

return to Autorange mode.

Data Hold: Press the “Data Hold” Button to toggle in (“H”

displayed) and out of mode. Last reading is held on the display .

Press button again to release and display present readings.

Selector Switch . When the Selector Switch is in the Ω RG

position, press the Function Button to step between resistance,

continuity test (Ω and R displayed), and diode test (G). When the

Selector Switch is in VOLTS position, press the Function Button to

step between AC voltage and DC voltage.

DC Voltage measurement

Warning

For safety, do not attempt to measure voltages greater than

600 VDC.

1. Set function switch to VOLTS

2. If “AC” appears in display , press Function Button to select DC.

3. Connect black test lead to negative side of circuit being measured

and red lead to positive side.

4. Read value on display .

AC Voltage Measurement

Warning

For safety, do not attempt to measure voltages greater than

600VAC.

1. Set Selector Switch to VOLTS.

2. Push Function Button so that “AC” appears in display .

3. Connect test leads to circuit. Connection must be in parallel with

circuit being measured.

4. Read value on display .

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Amprobe DM78B Digital-Multimeter Bedienungsanleitung Seite 6