Amprobe AMB-25 Gebruiksaanwijzing - Pagina 4

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1. Before Operation

Display :

MEM

READ

Manual data memory and read location indicator.

Beeper symbol shows if beeper turned on in Ω

High voltage warning symbol flashes, if voltage ≧ 30V is present on the

probes.

Resistance reading held from the last measurement in MΩ and Ω

function.

Zero symbol is on if test leads are zeroed out.

Lock symbol is on if the TEST mode is locked in M Ω functions.

Low battery symbol.

Main display reading for all functions.

Analog bar graph displays resistance on a logarithmic scale and

voltage on a linear scale. The value always tracks the main display.

4. BEFORE OPERATION

To avoid electrical shock remove test leads before opening case or

battery cover. Do not operate with battery cover open.

V M

To avoid electrical shock when performing resistance tests, remove

all power from the circuit to be measured.

To avoid electrical shock, first connect the test leads to the meter

inputs before you make connection to the circuit under test.

To avoid electrical shock, do not touch test lead tips, test points or

terminals when pressing TEST.

4-1 How to connect test leads.

Connect the red test lead into the " VΩ " terminal and the black

lead into the " COM " terminal.

4-2 Battery Check & Replacement

1). If battery power is not sufficient, LCD will display "

function.

Replacement of 6 pcs new batteries, type 1.5V size "AA" is required.

2). Use a screw drive to unscrew the screw secured on battery cover.

Take out the used batteries and replace 6 pcs new batteries.

3). Place back the battery cover and secure the screw.

4-3 Auto-Power-Off

1). The meter automatically turns off after 15 minutes of non-use.

2). To turn the meter back on, turn the rotary switch to OFF, then to

the desired function.

4-4 Test Leads Check

Set the range select switch to the "Ω

crocodile clips with the test lead tips, Clip alligator clips with lead

other. The indicator should read <0.5Ω. When the leads are not

connected the display will read infinity indicated by "－

will ensure that test leads are under working condition.

Warning

" range. Connect the

－". This