Amprobe AM-540, User Manual

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5
• Auto and manual ranging
• Auto power off
• Low battery warning
• Velcro strap to hang a meter
• Safety: CAT IV 600V, CAT III 1000V
MAKING MEASUREMENT
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1. Use the proper function and range for measurements.
2. To avoid possible electrical shock, personal injury or damages to the
Meter, disconnect circuit power and discharge all high-voltage capacitors
before testing resistance and diode.
3. Connecting test leads:
• Connect the common (COM) test lead to the circuit before connecting
the live lead;
• After measurement, remove live lead before removing the common
(COM) test lead from the circuit
4. Symbol “OL” is displayed on LCD when the measurement is out of range.
Rotary Switch Positions
Switch Position Measurement Function
/
AC voltage measurement / Low-pass filter (1kHz).
Use SELECT button to select alternate function.
/ NCV
DC voltage measurement / Non-Contact Voltage
detection.Use SELECT button to select alternate function.
/ / %
DC millivolt measurement / Frequency / Duty Cycle
Use SELECT button to select alternate function.
/ /
Resistance / Capacitance / Continuity measurement.
Use SELECT button to select alternate function.
G Voltage measurement of diode PN junction (Diode test).
°C °F
Temperature measurement.
Use SELECT button to select temperature unit °C or °F.
μA mA
10A
AC or DC current measurement.
Use SELECT button to select alternate function AC or DC