Prokit's Industries MT-1820 - Manual (Page 11)

10
3. At the Manual Range mode,if “OL” is displayed on LCD, it
indicates the test current value has
exceeded the present range limit, please select the higher range
to complete the measurement.
Note:
a) Do not measure the current higher than 10A at Range 10A and
higher than 6000uA at uA Range and higher than 600mA at mA
Range, otherwise the fuse will be burnt out or the instrument will be
damaged.
b) Do not connect the test lead to any circuit in parallel when the
test lead is inserted in the current input terminal, otherwise it is
possible to damage the instrument or endanger the safety of the
users. Cut the connection between the test lead and tested circuit at
once after measurement.
Range Accuracy Resolution
600uA 0.1μA
6000uA 1μA
60mA 10μA
600mA
±(1.0%+10d)
100μA
6A 1mA
10A
±(1.2%+10d)
10mA