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ATEX: SUPPLEMENTARY INSTRUCTIONS
7
111
OPTIFLEX 1300 C
www.krohne.com
01/2008 • 4000172301 - HB OPTIFLEX 1300 R02 en
Take the necessary antistatic precautions if you:
•
handle,
•
install or
•
use
the instrument in potentially explosive atmospheres. Do not install in a location (near to
ventilation systems, for example) where the electrostatic charge can increase.
Special conditions
The housing is made of either aluminium alloy or stainless steel. If the instrument has an
aluminium alloy housing, make sure that iron/steel objects do not hit or rub against the
instrument.
7.2.2 Operating conditions
The allowable ambient temperature and corresponding flange temperature range for the
instrument depends on the ATEX equipment category and temperature classes marked on the
nameplate.
Figure 7-4:
Risk of ESD: sun cover and remote housing conduit
1
Sun cover
2
Conduit of the remote housing option
1
2
WARNING!
Aluminium housing: Possible source of ignition in a potentially explosive atmosphere.
NOTE!
If the instrument is approved for operation in zone 2, the display agrees with the low-energy
impact test requirements for this certification.
HB_OPTIFLEX1300_EN_D4_080428.book Page 111 Tuesday, April 29, 2008 2:47 PM