Load Cell Interface; Peripheral Interfaces; Conditions For Use - KERN KFB Serie Manual De Instrucciones

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4.
Interfaces
4.1

Load cell interface

Refer to section 3.1.1.
Any load cell(s) can be used for instruments under this certificate provided the following conditions
are met:
There is a respective test certificate (EN 45501) or an OIML Certificate of Conformity (R60)
issued for the load cell by a Notified Body responsible for type examination under the
Directive 2009/23/EC.
The certificate contains the load cell types and the necessary load cell data required for the
manufacturer's declaration of compatibility of modules (WELMEC 2, Issue 5, 2009, section
11), and any particular installation requirements. A load cell marked NH is allowed only if
humidity testing to EN 45501 has been performed.
The compatibility of load cells and indicator is established by the manufacturer by means of
the compatibility of modules form, contained in the above WELMEC 2 document, or the like,
at the time of EC verification or declaration of EC conformity of type.
The load transmission must conform to one of the examples shown in the WELMEC 2.4 Guide
for load cells.
4.2

Peripheral interfaces

The indicator may be equipped with one or more of the following protective interfaces that have not
to be secured.
RS-232C
Analogue output (0 - 10 V / 4 - 20 mA)
Digital output
Blue Tooth
The peripheral interfaces are characterised "Protective interfaces" according to paragraph 8.4 in the
Directive.
5.

Conditions for use

Legal use of the indicator for automatic weighing or as counting device is not allowed with reference
to this test certificate.
Issued by DELTA
Annex to Test Certificate No. DK0199-R76-11.04
Annex page 3 of 7

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