KERN & SOHN OEX - Manual (Page 8)

• Ambient temperature during operation -10°C to +40°C.
• The balance must be protected against mechanical shocks and
vibrations.
• The OEX balance must be installed and operated by expert staff.
• The balance should be serviced from time to time.
• Prevent electrostatic charge. Ensure that the earth conductor
(equipotential) is connected to the KEX-TM display unit at all times.
• Do not disconnect PE conductor. The use of equipotential bonding is
only admissible where the development of explosive gasses can be
completely ruled out.
• In the case of damage to the balance, unplug the plug, disconnect
the supply cable and take the device to a safe area for interim
storage so as to prevent any possible use of the balance before
repair.
• The display unit KEX-TM is designed intrinsically safe and is in
conformity with the following standards: PN-EN 60079-0 and PN-EN
60079-11 certified by KDB 14ATEX0110 certificate.
• The display unit is powered by mains adapter IEX-A01 made by
KERN and positioned outside the hazardous and is in conformity
with the standards: PN-EN 60079-0 and PN-EN 60079-11, certificate
KDB 14ATEX0109.
• The platform balance is used with weighing cells PC6, PC22, PC42,
PC60 and PCB supplied by Flintec which are certified for safe use in
hazardous areas - certificate BSV 09 ATEX E 086X.
• All non-electrical parts of the platform balance have been
manufactured in accordance with standard PN-EN 13463-1.
• All repair and maintenance work during which the housing of the
display unit needs to be opened should be carried out by KERN
customer services. Replace subassemblies with genuine parts. The
balance must not be opened by unauthorised persons as this will
result in loss of all rights to compensation under warranty.
Any installation or repair work deviating from those described in this manual will
inevitably result in loss of warranty.
8 Doc.No.OEX-BA-e-1411