Megohmmeter
Model 24508
Page 9
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
Safety requirements and operating
instructions
n
For reasons of safety, this equipment must only be used by suitably qualified
and trained personnel who are aware of the potential hazards.
Read this manual through thoroughly before using the equipment.
n
With regard to the potential hazards associated with using any electric circuit, it
is important that the user is completely familiar with the information concerning
the possible capabilities and applications of this equipment and how it works.
n
Under normal conditions of use, there is absolutely no risk to the user of elec-
tric shock from this equipment. Nevertheless, high voltages can occur during
insulation tests, so all safety-related instructions must be followed to the letter.
The various operations must be performed with care and attention by the user.
A mistake can have catastrophic results for safety or result in severe damage to
the equipment.
n
The protection provided by this equipment may be reduced if it is not used in ac-
cordance with the instructions in this manual, or if the user has made technical
changes without authorization.
n
This equipment has class
Ι
protection (protected by equipment grounding con-
ductor). The equipment is connected to the potential equalization system of the
test room via the equipment grounding conductor, which must be tested to VDE
0100 part 410 (IEC 364-4-41).
Before using the equipment, always check that the power lead is undamaged. If
the mains fuse has blown, it must be replaced by a fuse with an identical rating;
disconnect the equipment from the mains and remove all cables from the front
panel before replacing the fuse.
n
This equipment must be installed in a properly ventilated room, and its ventilation
systems must not be blocked up or covered. If heat cannot dissipate properly
then there is a risk of impaired operation of the equipment and a reduced service
life.
