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Operation
AC voltage measurement / V~
Use the selector switch to set the appropriate range. Insert the black test lead into the 'COM'
socket and the red test lead into the V/Ω/TEMP/CAP socket. Using the test probes, touch the test
points of the test object. Read measurement value on the display.
AC voltage
Measurement range
200 mV
2 V
20 V
200 V
600 V
- Input resistance: 10 MΩ
- Max. input voltage range of 200 mV to 250 V
- Max. input voltage: 600 V AC RMS, frequency range: 40-400 Hz
DC current measurement / A=
Use the selector switch to set the appropriate range. Connect the black test lead into the "COM"
socket, and the red test lead with the mA / 10A socket (the appropriate socket opens automati-
cally depending on the measuring range). Using the test probes, touch the test points of the test
object. Read measurement value on the display. The current direction is indicated by the sign.
You must use the '10 A' socket when measuring currents above 200 mA.
Direct current
Measurement range
2 mA
20 mA
200 mA
10 A*
Overload protection: mA range is protected with a 200 mA self-resetting fuse.
- 10A range is protected with F 10 A / 1000 V.
- In the 10A range observe the maximum operating times!
*To protect against overheating, measurements should not be taken for more than
10 seconds. Following this the device should be allowed to cool down for at least
15 minutes.
22
Resolution
1 mV
0.001 V
0.01 V
0.1 V
1 V
Resolution
1 µA
0.01 mA
0.1 mA
0.01 A
Accuracy
± 1.2 % of reading + 5 digits
± 1 % of reading + 5 digits
± 1.2 % of reading + 5 digits
Accuracy
± 1.0 % of reading + 3 digits
± 1.0 % of reading + 3 digits
± 1.5 % of reading + 5 digits
± 2.0 % of reading + 10 digits
®
Testboy
TB 313
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