12
12
3.1.8 Current measurement
To measure the current:
Measurement in
1. Set the switch to
;
2. Select the type of signal (AC, DC or AC+DC) by pressing
. Depending on your selection, the screen will display
AC, DC or AC+DC
3. Connect the black lead to the
COM
terminal and the red lead to "
µmA
";
4. Place the test probes in series between the source and the load;
5 Read the measurement indicated on the display.
6 By default, the 2
nd
display indicates the frequency, except for DC.
NB: The 21 µA range, which can only be accessed using the
key, is reserved for testing the ionisation sensors in
gas-fired boilers. It is only available with DC coupling and the measurement is on 210 digits (0.1 µA resolution).
Measurement in
1. Set the switch to
;
2. Select the type of signal (AC, DC or AC+DC) by pressing
. Depending on your selection, the screen will display
AC, DC or AC+DC
3. Connect the black lead to the
COM
terminal and the red lead to "
10A
";
4. Place the test probes in series on the circuit between the source and the load;
5. Read the measurement indicated on the display.
6. "
O.L
" is displayed if I
>
20 A.
7. By default, the 2
nd
display indicates the frequency, except for DC.
