Wika 890.09.2190 Bedienungsanleitung PDF herunterladen (Seite 5)

WIKA operating instructions dierential pressure transmitter model 890.09.2190 5

11171545.02 08/2010 GB/D/F/E

2. Safety

WARNING!

Before installation, commissioning and operation, ensure that the

appropriate transmitter has been selected in terms of measuring

range, design and specic measuring conditions.

The compatibility with the medium of the materials subjected to

pressure must be checked!

In order to guarantee the measuring accuracy and long-term

stability specied, the corresponding load limits must be

observed.

Only work on the transmitter with the voltage disconnected.

Non-observance can result in serious injury and/or damage to

equipment.

Further important safety instructions can be found in the individu-

al chapters of these operating instructions.

2.1 Intended use

The model 890.09.2190 transmitter is used for dierential pressure measurement,

e.g. between ow and return in heating systems, lter plants, in technical building

equipment, drinking and service water treatment, pump monitoring and control in

pressure boosting and re extinguishing systems.

The transmitter has been designed and built solely for the intended use described

here and may only be used accordingly.

The manufacturer shall not be liable for claims of any type based on operation

contrary to the intended use.

2.2 Personnel qualication

WARNING!

Risk of injury should qualication be insucient!

Improper handling can result in considerable injury and damage

to equipment.

 The activities described in these operating instructions

may only be carried out by skilled personnel who have the

qualications described below.

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Wika 890.09.2190 Bedienungsanleitung Seite 5