Measuring Procedures - Amprobe DM78B Manual De Instrucciones

• 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
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
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 .
W
Warning
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Warning
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