Kobold ZOK-E1, Supplementary Operating Instructions

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ZOK-Ex
ZOK-Ex K08/0322 page 3
2. General
These instructions must be read in addition to the ZOK-Zx Instruction Manual (or
to the manual of the KOBOLD flowmeter, where the “ZOK-ExM” instrument is
mounted), if you have purchased an ATEX/IECEx intrinsically safe certified ZOK-
Ex series instrument and intend installing it in a hazardous environment for which
it is approved.
The intrinsically safe certified instrument may be stand alone (ZOK-Ex) or fitted to
a KOBOLD flowmeter with Ex-certified pulse sensor.
The instruction manuals on our website www.kobold.com are always for currently
manufactured version of our products. Due to technical changes, the instruction
manuals available online may not always correspond to the product version you
have purchased. If you need an instruction manual that corresponds to the
purchased product version, you can request it from us free of charge by email
(info.de@kobold.com) in PDF format, specifying the relevant invoice number and
serial number. If you wish, the operating instructions can also be sent to you by
post in paper form against an applicable postage fee.
3. Conforming Standards
The intrinsically safe units DON-1A…5A/ZOK-Ex are certified in accordance with
the ATEX directive and IECEx scheme. Prior to installation, review the
certification marking on the instrument label to confirm if it is appropriately
certified for your region, suits the site classification and complies with your
hazardous area philosophy.
ATEX Directive
Complies with ATEX directive 2014/34/EC
Conforms to Standards: See certificate
Instruments have also been assessed against the Essential Health and Safety
requirements (ESHR’s) as defined in European Directive 2014/34/EU for
II 2G.
The instruments are certified for “ia” (intrinsically safe) protection suitable for gas
group IIB and temperature class T1 to T4 in an ambient temperature of -20 to +60
deg C and are suitable for installation in Group II, Zone 1 and 2 areas.
The instruments have also been tested to IEC60529 and comply with a protection
rating of IP66/67.