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Installation, 2 operating conditions – KROHNE OPTIFLEX 4300C ATEX EN User Manual

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INSTALLATION

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OPTIFLEX 4300 C

www.krohne.com

02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en

2.1.3 Special conditions

2.2 Operating conditions

The allowable ambient temperature and corresponding flange temperature range for the device
depends on the ATEX equipment category and temperature classes marked on the nameplate.

2.2.1 Ambient and flange temperature

The ATEX equipment category and temperature class give the ambient temperature and related
flange temperature ranges for the device.

Figure 2-2: Risk of ESD: sun cover and remote housing conduit

1 Sun cover
2 Conduit of the remote housing option

WARNING!
FEP-coated single cable probes are for Gas group IIB only.

WARNING!
Aluminium housing: Possible source of ignition in a potentially explosive atmosphere. The
housing is made of either aluminium alloy or stainless steel. If the device has an aluminium
alloy housing, make sure that iron/steel objects do not hit or rub against the device.

INFORMATION!
The remote converter and Metaglas® options use the values that follow.

WARNING!
The gasket temperature must not be more or less than the approved limits.

AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 8 Thursday, May 28, 2009 6:00 PM