Dc Current Measurement / A - TESTBOY TB 4000 Bedienungsanleitung

DC current measurement / A=

Set the appropriate range using the selector switch. Connect the black test lead with the
"COM" jack and the red test lead with the "mA" or "10 A" jack. Connect the test leads with the
test object and read off the measurement result from the display. The direction of current is in-
dicated by the sign.
You must use the "10 A" jack when measuring currents above 600 mA!
Measurement
range
600 µA
6000 µA
60 mA
600 mA
10 A
In the 10 A range, observe the maximum duty cycles!
AC current measurement / A~
Set the appropriate range using the selector switch. Press the "SEL" button and select AC.
Connect the black test lead with the "COM" jack and the red test lead with the "mA" or "10 A"
jack. Connect the test leads with the test object and read off the measurement result from the
display.
You must use the "10 A" jack when measuring currents above 600 mA!
Measurement
range
600 µA
6000 µA
60 mA
600 mA
10 A
Frequency range: 10 Hz - 1.2 kHz
®
Testboy TB 4000
Resolution Overvoltage
protection
0.1 µA 600 mA/250 V
Self-resetting
1 µA
fuse.
10 mA
100 µA
10 mA 10 A/1000 V
Resolution Overvoltage
protection
0.1 µA 600 mA/250 V
Self-resetting
1 µA
fuse.
10 mA
100 µA
10 mA 10 A/1000 V
Accuracy
±1.2 % of the measurement range
+ 3 digit
±2.0 % of the measurement range
+ 10 digit
Accuracy
±1.5 % of the measurement range
+ 3 digit
±3.0 % of the measurement range
+ 10 digit
Operation
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