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Installation, 2 operating conditions – KROHNE OPTIFLEX 1300C ATEX EN User Manual

Page 9

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INSTALLATION

2

9

OPTIFLEX 1300 C

www.krohne.com

06/2010 - 4000091403 - AD ATEX OPTIFLEX 1300 R05 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!
If the device is approved for operation in zone 2, the display agrees with the low-energy impact
test requirements for this certification.

WARNING!
The gasket temperature must be in the approved limits. For more data, refer to "Pressure and
temperature ranges" in the Installation chapter of the handbook.

INFORMATION!
The remote converter and Metaglas

®

options use the values that follow.