Basics; Intended Use; Safety Guidelines - Xylem SI Analytics AVS 370 Manual De Instrucciones

1

Basics

1.1

Intended Use

®
The AVS 370 is a measuring unit for determining absolute and relative viscosity of liquid media. This device
must only be operated by skilled personnel.
1.2

Safety guidelines

®
The AVS 370 corresponds to protection class
It was manufactured and tested according to DIN EN 61 010 - 1, Part 1, "Protective Measures for electronic
measurement devices and control devices" and has 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 DIN EN ISO 9001 standard.
For reasons of safety, the device must only be used for the range of application described in the present
operating instructions. Nonobservance of the intended proper use of the device may result in personal injury or
damage to property.
For reasons of safety, the unit and the power supply TZ 1858 must be opened by authorized 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 titrator and the power supply may constitute a danger:
electrical accidents and a fire hazard! Moreover, in the case of unauthorized intervention in the titrator or the
power supply, as well as in the case of negligently or deliberately caused damage, the warranty will become
void.
Prior to switching on the unit, it has to be ensured that the operating voltage matches the mains voltage.
The operating voltage is indicated on the type plate (bottom side of the unit and backside of the power supply).
Only insert the power plug into a receptacle with ground contact. Any interruption of the conductor inside or
outside of the device or the loosening of a protective conductor connector is not permitted and can lead to
hazardous risk situations of the device. Only use fuses of the indicated type and rated amperage as a
replacement. The use of repaired fuses or shorting the fuse box is prohibited. Nonobservance of this
provision may result in damage to the unit and the power supply, or in personal injury or damage to
property!
If it has to be assumed that safe operation is impossible, the unit has to be taken out of operation
and secured against inadvertent putting to operation! For this, switch off the unit, pull plug of the mains
cable out of the power supply, and remove the meter from the work station.
Examples for the assumption that a safe operation is no longer possible,

if the package is damaged,

if the unit shows visible damages,

if the power supply shows visible damages,

if the unit does not function properly,

if liquid has penetrated into the casing.

if the unit has been altered technologically or if unauthorized personnel tried or succeeded to open the
instrument as attempt to repair it.
In case that the user operates such a device, all thereof resulting risks are on the user.
The relevant regulations regarding the handling of the substances used have to be observed: The
Decree on Hazardous Matters, the Chemicals Act, and the rules and information of the chemicals trade. On
the part of the user it has to be ensured that the persons entrusted with the use of the unit are experts in the
handling of substances used in the environment or that they are supervised by specialized persons,
respectively.
For all work with chemicals: Always wear protective goggles! Please observe the memorandums of the
employer's liability insurance associations and the safety data sheets of the manufacturers.
Please also note the corresponding Operating instructions for the devices to be
I.
connected!
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