Testboy TB 65 Manuel D'utilisation page 34

Operation
DC current measurement / A=
Set the appropriate range using the selector switch. Connect the
black test lead to the "COM" jack and the red test lead to the "mA"
and "20A" jack measurement line to the test specimen. Read off
measurement result from the display. The current direction is
indicated by the sign.
You must use the "20 A" jack when measuring
currents above 200 mA!
Direct current
Measuring
range
20 mA
200 mA
20 A*
Overload protection:
-
The mA range is safeguarded by a 200 mA self-resetting fuse.
-
In the 20 A range observe the maximum duty cycles!
* Following measurement, which should take a
max. 10 seconds, allow the instrument to cool down
for 15 minutes to protect against overheating.
34
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Resolution
10 µA
100 µA
10 mA
Accuracy
±1.8 % of the
measurement range
+ 3 Digit
±3.0 % of the
measurement range
+ 5 Digit
Testboy
®
TB 65