Unitest CHB 140 Bedienungsanleitung Seite 18

Voltage measurement
Never apply more than 600V AC/DC to the test leads
(instrument). If these threshold is exceeded the result
could be serious personal injury or damage to the in-
strument.
Only use the instrument in circuits fused with max. 16A.
Before switching to a new function, the probes must
always be removed from the UUT (Unit Under Test).
DC voltage measurement
1) Select measurement range "V
tion switch (3)
2) Select range "
3) Connect black test lead with COM socket and red test
lead with VΩ socket
4) Connect test leads to UUT
5) Read the measured value on the display
AC voltage measurement
1) Select measurement range "V
tion switch (3)
2) Select range "~" with AC/DC switch key (8)
3) Connect black test lead with COM socket and red test
lead with "VΩ" socket
4) Connect test leads to UUT
5) Read the measured value on the display
Resistance measurement
Ensure that the UUT is switched off and that no volta-
ge is present.
1) Select measurement range "Ω/•))" with Range selection
switch (3)
2) Connect black test lead with COM socket and red test
lead with "VΩ" socket
3) Connect test leads to UUT
4) Read the measured value on the display
18
" with AC/DC switch key (8)
" with Range selec-
" with Range selec-