Megohmmeter
Model 24508
Page 12
Technical data
General informa
-
tion
Pr
eparations for
use
Contr
ols and con
-
nections
Manual operation
of the unit
Contr
olling the
unit r
emotely
Maintenance and customer service
1.3 Block diagram
This unit contains a voltage generator
, which outputs a r
egulated voltage, a measuring unit covering 8 measuring ranges, and one
alphanumeric display
. A micr
opr
ocessor contr
ols the various functions such as setup menus, voltage ranges, measuring ranges,
computations, RS232 interface. It compar
es the measur
ed value with a tar
get value set by the user
, and signals if the measur
ement
lies above or below this value (via an indicator lamp on the fr
ont panel and using a changeover contact accessible on a r
ear
-panel
connector).
Principle of operation
General informa
-
tion
