Wika 851.02.100 Manual de usuario descargar pdf (Pagina 4)

WIKA Operating instructions DELTA-plus, DELTA-comb and DELTA-switch

Caution

2122740.01

Illustration for example st

2308215 07/2009 GB/D/F

1. Safety instructions ... 3. Operating principle

1. Safety instructions

The appropriate national safety regulations (i.e. VDE 0100 /

EN 60 079-14 / EN 837-2) must be observed when installing,

commissioning and operating these instruments.

Do not work on gauge while under voltage (applies to Model 702.02/03.100

and 851.02.100)

Serious injuries and/or damage can occur should the appropriate regulations

not be observed

Only appropriately qualified personnel should work on these instruments

2. General

These operating instructions are based on the following information:

EN 837-2: Selection and installation recommendations for pressure gauges

Data sheet PM 07.15: Differential pressure gauge with integrated working

pressure gauge

su Model 702.01.100

Data sheet PV 27.16: Differential pressure gauge with integrated working

pressure gauge and micro switch

Model 702.02.100

Data sheet PV 27.17: Differential pressure switch

Model 851.02.100

3. Operating principle

The j and i measuring medium chambers

are separated by an elastic diaphragm.

The differential pressure causes an

axial movement (measured travel) in the

diaphragm against the measuring range

spring. The measured travel is proportional

to the differential pressure and is trans-

mitted, „pressure sealed“ and with minimal

friction, via a connecting rod; for:

su to the movement

st to the movement

and in addition to the plungers

on the microswitches

sv to the plungers

on the microswitches



1 2 3 4 5 6 7 8 9 ... 27 28

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Wika 851.02.100 Manual de usuario Pagina 4

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