BERTHOLD TECHNOLOGIES Uni-Probe LB 490, User Manual

Page: 83 / 730

Uni-Probe LB 490
BERTHOLD TECHNOLOGIES GmbH & Co. KG
1 – 83
Volume 1 10 Safety instructions ATEX/FM/CSA
1
Safety instructions ATEX/FM/CSA
10
Safety Instructions for the
Types of Protection ATEX /
FM / CSA
Safety instructions ATEX/FM/CSA
When working in areas in danger of explosion, the safety of person-
nel and facilities is dependent on the observance of all relevant
safety regulations. The assembly and service personnel, therefore,
carries a special responsibility and must have appropriate expertise
with regard to explosion protection or has to be authorized by
BERTHOLD TECHNOLOGIES. Prerequisite for working in these areas
is that the personnel knows all applicable rules and regulations.
Users have to keep in mind:
– the characteristic data, limit values and the information on
operating and environmental conditions indicated on the type
labels and data sheets
– the signs on the devices
– that damage to the devices may undo the ex-protection
– that the Uni-Probe may be operated only if the housing is com-
pletely closed.
In areas in danger of explosion, the Uni-Probe is intended only for
stationary installation.
The temperature range that is valid for all types of protection lies
between -20°C and +50°C. Most types of protection, however,
offer a larger temperature range. This is stated on the respective
certificate (see Volume 1, chapter 11).
Do not open the housing while it is energized, or in a potentially
explosive atmosphere. Please keep in mind that you have to dis-
connect the relay contacts in addition to the supply line.
The thread for the housing cover, on the housing and also in the
housing cover, must not get damaged, as otherwise explosion pro-
tection is no longer ensured. Using the Uni-Probe in areas endan-
gered of explosion is not permitted when:
– the screwed cable glands are corroded
– the screw threads at the housing cover is corroded
– dummy plugs are heavily corroded
– the Uni-Probe housing is heavily corroded
– the Uni-Probe housing is damaged
– the Uni-Probe housing has received a mechanical blow, e.g. by
dropping it on the floor.
Cleaning of corroded screw threads on the housing cover, on the
screwed cable glands or the 3/4" cable bushing using abrasives or
steel brushes is not permitted.