Measuring Function; Acv Function; Dcv Function; Low Ohm Function And Continuity Function - Amprobe AMB-45 User Manual

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MEASURING FUNCTIONS

ACV Function

Turn function selector to voltage range. Connect black test lead to Black terminal and red one to
the Red terminal. Connect test lead to the test circuit in parallel. Operator can hold the reading by
pressing the key.

DCV Function

Turn function selector to voltage range. Connect black test lead to Black terminal and red one to the Red
terminal.
Press the button to change the mode form ACV to DCV function. Connect test lead to the test circuit in
parallel. One can hold the reading by pressing the

Low Ohm Function And Continuity Function

Turn function selector to Ohm range. Connect black test lead to Black terminal and red one to the Red terminal.
Connect test lead to the test circuit in parallel. If the reading is less than 40 Ohm, the continuity beeper will
sound.
One may null the lead resistance (under 40 Ohm) by shorting the test lead than press the
the lead resistance is recorded a ZERO symbol will display on the LCD. Press
normal operation. If the lead resistance is great than 40Ω, the error beeping will sound. Because the test current
provided by the meter could reach 200mA, do not use this range to test electronic component like diode,
transistor or fuse.
Before measuring, verify the circuit is not live by voltage function

Megaohm Function

Turn the function selector to the desired test voltage range. The LCD will display "----" to indicate the tester is
standing by. Connect black test lead to Black terminal and red one to the Red terminal. Connect test lead to the
test circuit in parallel. One may take the measuring under manual power mode or power lock mode:
Before measuring, verify the circuit is not live by voltage function.
Do not start the test before the lead is connected to the test circuit properly.
Do not remove the test leads from the test circuit before the discharge process is completed.
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