Mettler Toledo SLF6 Serie Manual De Usuario página 10

The SLF6-Series load cells have the following approvals for operation in hazardous areas:
Hazardous area
Category 2
Category 3
Special care must be taken when using weighing systems in hazardous areas. The code of practice is
oriented to the "Safe Distribution" concept drawn up by METTLER TOLEDO.
Please also observe the following rules for hazardous area:
6 Safety Information
Approval type
ATEX
IECEx
ATEX
IECEx
Competence
The weighing system may only be installed, maintained and repaired by authorized
•
METTLER TOLEDO service personnel.
The mains supply may only be installed by a specialist authorized by the owner/
•
operator.
Ex Approval
No modifications may be made to the device and no repair work may be performed on
•
the modules. Any weighing platforms or system modules that are used must comply
with the specifications. Non-compliant equipment jeopardizes the intrinsic safety of the
system, cancels the Ex approval and renders any warranty or product liability claims
null and void.
The safety of the weighing system is only guaranteed when the weighing system is
•
operated, installed and maintained in accordance with the respective instructions.
Also comply with the following:
•
– the instructions for the system modules,
– the relevant national regulations and standards,
– the applicable statutory requirements for electrical equipment installed in hazardous
areas in the respective country,
– all instructions related to safety issued by the owner.
The explosion-proof weighing system must be checked to ensure compliance with the
•
safety requirements before being put into service for the first time, following any service
work and at least every 3 years.
Operation
Prevent the build-up of static electricity. Always wear suitable working clothes when
•
operating or performing service work in hazardous areas.
Do not use protective covers with the devices.
•
Prevent damage to the system components.
•
Approval
II 2 G Ex ib IIC T4 Gb
II 2 D Ex ib IIIC T55°C Db
–10 °C ≤ T ≤ +40 °C
amb
Ex ib IIC T4 Gb
Ex ib IIIC T55°C Db
–10 °C ≤ T ≤ +40 °C
amb
II 3G Ex nA IIC T6 Gc
II 3D Ex tc IIIC T60°C Dc
−10 °C ≤ T ≤ +40 °C
amb
BVS 10 ATEX E 131 X
Ex nA IIC T6 Gc
Ex tc IIIC T60°C Dc
−10 °C ≤ T ≤ +40 °C
amb
IECEx BVS16.0064X
SLF6-Series