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2 for your safety, 1 authorised personnel, 2 appropriate use – KROHNE OPTISOUND 3030C 2wire EN User Manual

Page 5: 3 warning about misuse, 4 general safety instructions, 5 ce conformity, 6 compatibility acc. to namur ne 53

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2 For your safety

2.1 Authorised personnel

All operations described in this operating instructions manual

must be carried out only by trained, specialised personnel

authorised by the operator. For safety and warranty reasons,

any internal work on the instruments must be carried out only

by personnel authorised by the manufacturer.

2.2 Appropriate use

OPTISOUND 3030 C is a sensor for continuous level

measurement.

2.3 Warning about misuse

Inappropriate or incorrect use of the instrument can give rise to

application-specific hazards, e.g. vessel overfill or damage to

system components through incorrect mounting or adjustment.

2.4 General safety instructions

OPTISOUND 3030 C is a high-tech instrument requiring the

strict observance of standard regulations and guidelines. The

user must take note of the safety instructions in this operating

instructions manual, the country-specific installation standards

(e.g. the VDE regulations in Germany) as well as all prevailing

safety regulations and accident prevention rules.

2.5 CE conformity

OPTISOUND 3030 C is in CE conformity with EMC (89/336/

EWG), fulfils the NAMUR recommendation NE 21 and is in CE

conformity with LVD (73/23/EWG).
Conformity has been judged acc. to the following standards:

l

EMC:

- Emission EN 61326: 1997 (class A)

-

Susceptibility EN 61326: 1997/A1: 1998

l

LVD: EN 61010-1: 2001

2.6 Compatibility acc. to NAMUR NE 53

OPTISOUND 3030 C meets NAMUR recommendation NE 53.

OPTISOUND 3030 C - 4 … 20 mA/HART

5

For your safety

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