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GENERAL SAFETY INFORMATION
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OPTIWAVE X400
www.krohne.com
10/2017 - 4006413501 - AD NEPSI OPTIWAVE x400 R01 en
1.1 Scope of the document
These instructions are applicable only to the explosion-protection version of the radar level
transmitter. If you do not have these documents, please contact the nearest office or download
them from the manufacturer's internet site.
1.2 Device description
The level transmitter is approved for use in potentially explosive atmospheres when equipped
with the appropriate options.
1.3 Standards and approvals
The certificate is given on the DVD-ROM supplied with the device. You can also download the
certificate from our internet site.
INFORMATION!
The information in these supplementary instructions only contains the data applicable to
explosion protection. The technical data for the non-Ex version in the Handbook shall be valid in
its current version, provided that it is not rendered invalid or replaced by these supplementary
instructions.
WARNING!
Installation, commissioning and maintenance may only be carried out by "Personnel trained in
explosion protection".
DANGER!
In compliance with Chinese regulations, the NEPSI version of the device described in these
Supplementary Instructions agrees with Chinese National Standards GB 3836.1-2010,
GB 3836.2-2010, GB 3836.4-2010, GB 3836.20-2010, GB 12476.1-2013, GB 12476.4-2010 and
GB 12476.5-2013. The Ex ia-, Ex iaD-, Ex d ia- and Ex iaD tD-approved versions are certified for
use in hazardous areas by The National Supervision and Inspection Centre for Explosion
Protection and Safety of Instrumentation (NEPSI) under GYJ17.1356X.
WARNING!
Carefully read the NEPSI certificate of conformity. Obey the boundary conditions.
