53
Warning and safety information
1.4
1.4.1
General
The devices corresponds to protection class III.
The are manufactured and tested according to EN 61 010 - 1, Part
1 „
Protective Measures for electronic
measurement devices
“and control devices and have left the factory in an impeccable condition as concerns
safety technology. In order to maintain this condition and to ensure safe operation, the user should observe the
notes and warning information contained in the present operating instructions. Development and production is
done within a system which meets the requirements laid down in the Norm DIN EN ISO 9001 standard.
For reasons of safety, the devices have only be used for the range of application described in the present
operating manual. Nonobservance of the intended proper use of the device may result in personal injury or
damage to property.
For reasons of safety, the devices and the power supply must be opened by authorised persons only; this
means, for instance, that work on electrical equipment must only be performed by qualified specialists.
In case
of nonobservance of these provisions the devices and the power supply may constitute a danger:
electrical accidents of persons or fire hazard!
Moreover, in the case of unauthorised intervention in the
devices or the power supply, as well as in the case of negligently or deliberately caused damage, the warranty
will become void.
Prior to switching the devices on it has to be ensured that the operating voltage matches the mains
voltage. The operating voltage is indicated on the specification plate (underside of the devices and backside of
the power supply).
Nonobservance of this provision may result in damage to the devices and the power
supply, or in personal injury or damage to property!
If the plate rotates, the titration head moves or the horizontal axis moves, the operating display will light up red.
In this state, the sample changer must not be touched and no sample vessels must be removed or adjusted.
If it has to be assumed that safe operation is impossible, the device has to be put out of operation
and secured against inadvertent putting to operation.
In this case please switch the device off, pull plug of
the mains cable out of the power supply, and remove the device from the place of work.
Examples for the assumption that a safe operation is no longer possible,
if the package is damaged,
if the device shows visible damages,
if the power supply shows visible damages,
if the device does not function properly,
if liquid has penetrated into the casing,
if the device has been altered technologically or if unauthorized personnel tried or succeeded to open the
device as attempt to repair it.
In case that the user operates such a device, all thereof resulting risks are on the user!
The Karl Fischer oven TO 7280 is equipped with integrated circuits (EPROMs). X rays or other high energy
radiation may penetrate through the device’s casing and delete the program
The devices have not be stored or operated in humid rooms.
