15
16
Direct Current
Resolution
Accuracy
20mA
200mA
0.1mA
0.01mA
10mA
10A
Measuring range
±(1.0% of r5 digits)
Overload protection: grade mA: Fuse (F200mA/600V)
protection; grade 10A: Fuse (F10A/500V) protection.
Maximum input current: grade mA: 200mA DC or AC
RMS; grade 10A: 10A DC or AC RMS
When measured current is greater than 2A, the
continuous measurement time cannot be not more
than 2 minutes. Disconnect the current and wait 10
minutes before making another measurement.
±(2.0% of r10digits)
Battery Test
Resolution
Built-in load resistance
12V
9V
0.01V
0.01V
0.001V
1.5V
Measuring range
300
Ω
1.8k
Ω
36
Ω
Overload protection: Fuse (F200mA/500V) protection;
Maintenance
This section provides basic maintenance information,
including instructions for the replacement of fuse and
battery. Do not try to repair the meter unless you are
an experienced maintenance person with the relevant
calibration, performance testing and maintenance data.
To avoid injury or damage to the meter, don't wet
the inner parts of the meter. Before opening the
case or battery cover, remove the connecting
cable between the test probe and the input signal.
Warning
General Maintenance
Regularly clean the meter case with damp cloth and
a small amount of detergent. Do not use abrasives or
chemical solvents. If the input jack becomes dirty or
wet, it may affect the measurement readings.
To clean input socket:
Turn off the meter and pull out all the test probes
from the input jack.
Remove all dirt from the jacks.
Apply detergent or lubricant to a new cotton ball
(such as WD-40).
Clean each jack with a cotton ball and lubricant to
prevent contamination by moisture in the socket.
1
2
3
4
Replace Battery
To avoid incorrect readings and possible electric
shock or personal injury, when “ ” appears on
the meter display, replace the battery immediately.
To avoid electric shock or personal injury, before
opening the battery cover to replace battery, turn
off the meter and make sure that the test probe is
disconnected from the measurement circuit.
Warning