66
MD Block Diagram
4.3.3.7 Probe Configuration
Please use the up and down arrow keys or the ENTER key and scroll the highlighted area to
the
Probe
parameter. The display will appear as follows:
The Probe configuration is controlled by the relays SH, SL and Probe Switch shown in Figure
2 and are set by the Probe soft key. These three relays configure the current measuring
device into four possible positions. Repeatedly pressing the Probe soft key allows the
selection of the four different states. The four positions are described in the table below.
Probe
(Measuring Device
Position)
Switch Agency
Test
Application
SH
SL
Probe Switch
Ground To Line
A
A
A
Earth Leakage Current
Probe-HI To Line
B
A
A
Surface to Touch Current
Probe-HI To Probe-LO
B
B
A
Surface to Surface Leakage Current
MD2
：
IEC60990(Fig 5 U1 &
U3) , IEC60598-1
MD1
：
IEC60990(Fig 4 U1 & U2)
、
IEC60598-1
、
IEC60950-1
、
IEC60065
、
IEC61010
、
IEC60335-1
MD6
：
UL1563
MD3
：
IEC60601-1
MD4
：
UL544P
MD5
：
UL544NP
、
UL484
、
UL923
、
UL471
、
UL867
、
UL697
MD7
：
RUN MD IEC60950
、
IEC61010-1 Fig A.2 (2Kohm)