Safety Instructions; Intended Use; Misuse; Safety Precautions - Mettler Toledo PBA439 Serie Benutzerhandbuch

1 Safety Instructions

1.1 Intended use

PBA439(x/xx) weighing platforms are part of a modular weighing system consisting of a METTLER TOLEDO
weighing terminal as indicator and at least one weighing platform.
Use the weighing platform only for weighing in accordance with this manual.
The weighing platform is intended for indoor use only.
Only the PBA439x/xx weighing platform is suitable for use in hazardous environment as specified below.
Any other type of use is considered as not intended.
Legal metrology
For use in legal metrology, only use approved weighing platforms.
When using in legal metrology, the operating company is responsible for observing all national
weights & measurements requirements.
Please contact the METTLER TOLEDO Service organization for questions related to the use in legal for trade
applications.

1.2 Misuse

Do not use the weighing terminal other than for weighing operations.
Do not use the weighing platform in another environment than specified in the --- MISSING LINK ---.
Do not modify the weighing platform.
Do not use the weighing terminal beyond the limits of the technical specifications.
Do not use the weighing platform for storing goods.
Avoid falling goods on the weighing platform.

1.3 Safety Precautions

Only personnel trained and qualified by METTLER TOLEDO may install and maintain the weighing platform.
Be careful when transporting or lifting heavy devices.
Always disconnect the weighing platform from the power source before installing, servicing, cleaning or
performing maintenance.
The connection cable may not be disconnected from the weighing terminal while energized.
Make sure the weighing platform has reached room temperature before switching on the power supply.
The explosion-protected weighing platforms PBA439x/xx are approved for operation in the following
hazardous areas:
ATEX/IECEx Category 2, Category 3, gas/dust (Zone 1/21, Zone 2/22)
cFMus, Class I,II,III, Div. 1, Div. 2
There is an increased risk of injury and damage when the weighing platforms are used in hazardous areas!
Special care must be taken when working in such areas.
In case of the PBA439x/xx weighing platform, only use cable glands that are suitable and approved for
hazardous areas for inserting the weighing cell cable into the weighing terminal.
Explosion-protected weighing platforms may only be used in hazardous areas in conjunction with weighing
terminals with the appropriate approval and interface specification.

1.4 Specific Conditions of Use

In an explosive atmosphere caused by air/dust moisture, the loose ends of the cable shall be connected
outside the hazardous or in a suitable enclosure with a degree of protection of at least IP6X in accordance
with IEC/EN 60529.
Safety Instructions​ ​ 3