Safety instructions, 3 certification, 4 electromagnetic compatibility – KROHNE OPTIFLEX 1300C EN User Manual
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SAFETY INSTRUCTIONS
8
OPTIFLEX 1300 C
www.krohne.com
03/2014 - 4000172306 - HB OPTIFLEX 1300 R07 en
1.3 Certification
In accordance with the commitment to customer service and safety, the device
described in this document meets the following safety requirements:
• Electromagnetic Compatibility (EMC) Directive 2004/108/EC in conjunction with EN 61326-1
(2013).
All devices are based on the CE marking and meet the requirements of NAMUR Guideline NE 21
and NE 43.
1.4 Electromagnetic compatibility
The device design agrees with European Standard EN 61326-1 when installed in metallic tanks.
You can install the device on open-air tanks and tanks that are not made of metal. Refer also to
the note that follows.
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
CAUTION!
If you install a device with a rod or cable probe in a non-metallic tank or open-air pit, a strong
electromagnetic field near to the device can have an unwanted effect on the accuracy. Use a
device with a coaxial probe for this type of installation.
INFORMATION!
Device operation agrees with residential-class (class B) emissions and industrial-class for
immunity requirements if:
•
the device has a single or double probe (rod or cable probe) and is used in a closed tank made
of metal or
•
the device has a coaxial probe.