Mastech MS2205 Operation Manual page 9

Switch Inputting Inputting
terminal V1 terminal V2
COM/ V2
V1 socket
socket
COM/ V2
V~ V1 socket
socket
COM/ V2
V1 socket
socket
1.According to the connection mode as above Table ,
switch the function switching knob to V~, select
corresponding sockets from V1, V2, or V3 terminal,
and insert the test wire.
2.Connect the two test probes V1, V2 to the power
source or load to be tested. The meter will automatically
test and display the result, and the present harmonics
percentage will be shown on the following line.
3.Under voltage test mode, press SET button to show
"Auto V" and "Auto A" on LCD, and press
proper voltage range, and then press SET to return.
4.Press MODE button to show harmonics percentage
on LCD, and the total harmonic distortion ratio F and R
will be cyclically displayed. Press
display value of each measurement of the harmonic.
5.When input voltage is greater than 50 V, "
will be shown on LCD, prompting you to pay attention
to safety.
AC-current (A) measurement
Inputting
Test object
terminal V3
1-phase
N/A
2-phase
N/A
3-phase
V3 socket
to select a
/ button to
" sign
13
1
2
3
NEUTRAL
14