GENERAL SAFETY INFORMATION
1
3
OPTIWAVE-M 7400
www.krohne.com
10/2018 - 4007039501 - AD ATEX OPTIWAVE-M 7400 R01a
1.1 Scope of the document
These instructions are applicable only to the explosion-protection version of the radar level
transmitter. For all other data, use the Quick Start and Handbook. 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 OPTIWAVE-M 7400 measures level, volume, distance to surface and reflectivity of liquids,
pastes and slurries.
Measurements are displayed via a DTM (device type manager) for remote communication or on
an optional integrated display screen with wizard-driven setup.
The level transmitter is approved for use in potentially explosive atmospheres when equipped
with the appropriate options.
An external transmitter, to measure process pressure, is optional.
1.3 Standards and approvals
You can 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 European Directive 2014/34/EU (ATEX 114), the ATEX version of the device
described in these Supplementary Instructions conforms to European Standards
EN 60079-0:2012 +A11, EN 60079-11:2012 and EN 60079-26:2015. The device is certified for use
in hazardous areas by Kiwa ExVision B.V. under the EU-Type Examination Certificate KIWA
17ATEX0026 X. For more data, refer to the manufacturer's declaration. You can download the
manufacturer's declaration from our internet site.
WARNING!
Carefully read the ATEX approval certificate. Obey the boundary conditions.
