Amprobe ACD-20SW Digital-Clamp-Meters - Manual (Page 10)

5
OPERATION
HOLD Button
Data hold freezes the reading present on the LCD at the moment the button is
pressed.To use this menu feature, set up the meter for the type of measurement
and range desired.
Connect the test leads to the circuit / component to be measured and then press
“HOLD” push button. The LCD reading will freeze and display “HOLD.” You may
now remove the test leads and the reading will not change until you press Hold
again.
RANGE Button
This function allows the user to select the range of a function that does not show
‘RANGE’ on the LCD.
Measuring DC Voltage
1. Set the Function Switch to L
2. Connect the test leads: Red to +, Black to COM.
3. Connect the test probes to the circuit test points. Refer to Fig.1
4. Read the display. If necessary, correct any overload ( 0L) conditions.
Measuring AC Voltage
1. Set the Function Switch to K.
2. Connect the test leads: Red to +, Black to COM.
3. Connect the test probes to the circuit test points. Refer to Fig.2
4. Read the voltage on the primary display and the frequency on the
secondary display. If necessary, correct any overload (0L) conditions.
AC Current Measurement
1. Set the Function Switch to position ?.
2. Open spring-loaded clamp by pressing the jaw opening lever on the left
side of meter.
3. Position clamp around one wire or conductor. Release the jaw opening
lever. Wire should be center inside the jaws. Refer to Fig.3
4. Read the current on the primary display and the frequency on the
secondary display. If necessary, correct any overload (OL) conditions.