WIKA DW03 Series Instruction Manual
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WIKA DW03 Series Instruction Manual

Differential pressure switches for control on dry and clean gas
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DIFFERENTIAL PRESSURE SWITCHES FOR CONTROL ON DRY AND
WEATHERPROOF AND INTRINSICALLY SAFE: SERIE DW03
A High pressure connection
B Low pressure connection
For surface mounting use two screws M6.
NOTE: dimensions and weights are not binding unless released on certified drawings.
CAUTION
Before installing, using or carrying out maintenance on the instrument it is necessary to read and understand the indications given in the
attached Instruction Manual.
The instrument must only be installed and maintained by qualified personnel
INSTALLATION IS TO BE CARRIED OUT ONLY AFTER CHECKING THAT INSTRUMENT CHARACTERISTICS ARE CONSISTENT
WITH PROCESS AND PLANT REQUIREMENTS.
The functional features of the instrument and its degree of protection are shown on the identification plate fixed to the case.
CONTENTS:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DISPOSAL
15
SAFETY INSTRUCTIONS FOR USE IN HAZARDOUS ATMOSPHERES.
RECOMMENDATIONS FOR PRESSURE SWITCH SAFE USE.
All data, statements and recommendations supplied with this manual are based on information believed by us to be reliable. As the conditions of
effective use are beyond our control, our products are sold under the condition that the user himself evaluates such conditions before following our
recommendations for the purpose or use foreseen by him.
The present document is the property of ALEXANDER WIEGAND SE &Co and may not be reproduced in any form, nor used for any pur-pose other
than that for which it is supplied.
INSTRUCTION MANUAL
CLEAN GAS SERIES DW03 & DW05
C Cable entry
Weight 2,2 kg (dimensions in mm)
WEATHERPROOF AND INTRINSICALLY SAFE: SERIE DW05
A High pressure connection
B Low pressure connection
For surface mounting use six screws M6.
RELATED DOCUMENT
To authenticated document with certificate
N° IECEx PRE 16.0074X
NI-210WE
Rev. 4 04/20
C Cable entry
Weight 8,2 kg (dimensions in mm)

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Summary of Contents for WIKA DW03 Series

  • Page 1: Table Of Contents

    NI-210WE INSTRUCTION MANUAL Rev. 4 04/20 DIFFERENTIAL PRESSURE SWITCHES FOR CONTROL ON DRY AND CLEAN GAS SERIES DW03 & DW05 WEATHERPROOF AND INTRINSICALLY SAFE: SERIE DW03 WEATHERPROOF AND INTRINSICALLY SAFE: SERIE DW05 A High pressure connection C Cable entry A High pressure connection C Cable entry B Low pressure connection Weight 2,2 kg (dimensions in mm)

  • Page 2: General Notes

    NI-210WE INSTRUCTION MANUAL Rev. 4 04/20 GENERAL NOTES The following table gives the relationship between hazardous areas, Atex Categories and Equipment Protection Level (EPL) 1.1 FOREWORD listed on the instrument nameplate Categories This instrument is suitable for use on air or clean gas free from according to vapours that may condensate inside its measuring chambers.

  • Page 3: Mounting And Connections

    NI-210WE INSTRUCTION MANUAL Rev. 4 04/20 The test instrument should have a measurement range The pressure switch must be mounted in the normal installation approximately equal to or slightly wider than the pressure switch position, i.e. with the pressure connection pointing downwards. range and should have an accuracy consistent with the accuracy The pressure connection + (or H) of the instrument must be required to calibrate the set point.

  • Page 4: Instrument Plumbing

    NI-210WE INSTRUCTION MANUAL Rev. 4 04/20 ELECTRICAL CONNECTIONS Fig.8 – Free connector assembly It is recommended to carry out the electrical connections according to the applicable standards. In case of intrinsic safety instrument see also the Standard IEC-60079-14. If the electrical connection is carried out in a protected tube, it shall be made so that condensate is prevented from entering instrument enclosure To guarantee the ingress protection IP66 and prevent loosening...

  • Page 5: 10 Putting Into Operation

    NI-210WE INSTRUCTION MANUAL Rev. 4 04/20 PUTTING INTO OPERATION If the verification of the set point is performed unplugging the power cable from the terminal block it is recommended de- The instrument comes into operation as soon as the root valves energize the instrument to avoid any electrical hazard.
  • Page 6 WIKA Alexander Wiegand SE & Co. KG Amtsgericht Aschaffenburg HRA 1819 WIKA International SE - Sitz Klingenberg - Fax +49 9372 132-406 Alexander-Wiegand-Straße 30 Komplementärin: WIKA Verwaltungs SE & Co. KG – Amtsgericht Aschaffenburg HRB 10505 E-Mail info@wika.de 63911 Klingenberg Sitz Klingenberg – Amtsgericht Aschaffenburg Vorstand: Alexander Wiegand www.wika.de...

This manual is also suitable for:

Dw05 series

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