WIKA 230.15 Bedienungsanleitung

Operating Instructions

Betriebsanleitung

Mode d'emploi

Manual de Instrucciones

II 2 GD c

Model 230.15 with contact Model 851.3

Pressure gauges Model 230.15 per directive 94/9/EC (ATEX)

without/with switch contact Model 851.3

Druckmessgeräte Typ 230.15 nach Richtlinie 94/9/EG (ATEX)

ohne/mit Schaltkontakt Typ 851.3

Manomètres Type 230.15 selon directive 94/9/EG (ATEX)

sans/avec commutateur Type 851.3

Manómetros Modelo 230.15

según la directiva 94/9/CE (ATEX)

sin/con contacto eléctrico Modelo 851.3

11275945 01/2009 GB/D/F/E

Operating instructions Model 230.15 per ATEX

without/with Model 851.3 Page 3-9

Betriebsanleitung Typ 230.15 nach ATEX

ohne/mit Typ 851.3 Seite 11-17

Mode d’emploi Type 230.15 selon ATEX

sans/avec Type 851.3 Page 19-25

Manual de instrucciones Modelo 230.15

según ATEX sin/

con Modelo 851.3 Página 27-33

Contents

1. Safety instructions 4

2. Mechanical connection 5

3. Permissible ambient and working temperatures 6

4. Requirements for use in potentially explosive

atmospheres 6

5. Switch contacts 7

6. Storage 8

7. Maintenance and servicing / Repairs 8

8. Disposal 8

Enclosure 1: Declaration of conformity for Models

230.15 without/with switch contacts Model 851 9

11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX 3

Information

This symbol provides you with information,

notes and tips.

Warning!

This symbol warns you against actions that

can cause injury to people or damage to the

instrument.

11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX

1. Safety instructions

Notes in accordance with the Pressure Equipment Directive

97/23/EC

The pressure gauges are "pressure accessories" in accordance

with Article 1, Paragraph 2.1.4

The volume of the pressure-bearing enclosure for WIKA pressure

gauges is < 0.1 L

Where the permissible working pressure exceeds 200 bar, the

pressure gauges carry the CE mark for Fluid Group 1G in accor-

dance with Annex 2, Table 1

Pressure gauges that do not carry the CE mark are manufactured in

ccordance with Article 3, Paragraph3

sound engineering practice

Applicable standards

EN 837-1 Bourdon tube pressure gauges, Dimensions metrology,

requirements and testing

EN 837-2 Selection and installation recommendations for pressure

gauges

1. Safety instructions

Before installation, commissioning and operation

the user must ensure that the appropriate pressure

gauge is selected, with regard to scale range and

performance and the appropriate wetted material (corrosion) for

the respective application‘s specific measuring conditions.

In order to guarantee the accuracy and long-term stability speci-

fied, the corresponding load limits must be observed.

Specifications: see data sheet on www.wika.de

Only qualified personnel, authorised by the plant manager,

should be permitted to install, maintain and service the pressure

gauges.



Hazardous pressure media (such as Oxygen, Acetylene, flamma-

ble gases or liquids, toxic gases or liquids), as well as refrigera-

tion plants or compressors, may require attention beyond that

of the standard regulations. In these instances, the appropriate

specific safety codes or regulations must be considered.

After an external fire, all gauges must be checked and, if neces-

sary, replaced before recommissioning the plant.

Serious injury and/or damage can occur should the appropriate

regulations not be observed.

2. Mechanical connection

In accordance with the general technical regulations for pressure

gauges (i.e. EN 837-2). When screwing gauges in, the force required

for this must not be applied through the case or terminal box, but

rather through the spanner flats (using a suitable tool) provided for

this purpose.

Correct sealing of pressure gauge connections with parallel threads

is achieved by means of suitable sealing ring, sealing washer or

WIKA profile seals. The sealing of tapered threads

(e.g. NPT threads) is made by the thread itself, with additional

sealing material such as, for example, PTFE tape (EN 837-2).

The torque required depends on the seal used.

In order to simplify the correct orientation of the gauge, connec-

ting the gauge by means of a union nut or a LH-RH adjusting nut

is recommended. When a blow-out device is fitted to a pressure

gauge it should be resistant to blocking by debris and dirt.



11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX 5

1. Safety instructions / 2. Mechanical connection

Installation with

spanner

Spanner flats

Sealing face 

Sealing

by the

thread 

Requirements for the installation point

If the measuring point is not sufficiently rigid, a bracket or flange

should be used to support the gauge (possibly even remotely via

a flexible capillary line). Instruments should be protected against

coarse dirt and wide fluctuations in ambient temperature. EN 837-2

"Selection and installation recommendations for pressure gauges"

should be followed.

3. Permissible ambient and working temperatures

When installing the pressure gauge it must be ensured that, taking

into account the influence of convection and heat radiation, the

temperature does not exceed or drop below the permissible limits

for the ambient and medium temperatures. The influence of tempe-

rature on the class accuracy should also be taken into account.

4. Requirements for use in potentially explosive

atmospheres

The built-in Reed switch does not have its own

ignition source.

It is a ‘simple apparatus‘ in terms of intrinsic safety

as defined in EN 50 020.

When powered by a tested and certified intrinsically safe circuit

(associated apparatus), these switches may be used in potentially

explosive atmospheres up to Category 2 without having to take any

further measures.

Operating Temperature

Ambient: -20 ... +60 °C

Medium: The permissible medium temperature does not only

depend on the instrument design, but also on the ignition

temperature of the surrounding gases, vapours or dust.

Both aspects must be taken into account.

For permissible maximum medium temperatures see table 1.

11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX

2. Mechanical ... 4. Requirements for use ...

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WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX 7

4. Requirements for use ... / 5. Switch contacts

Temperature class of the

ambient atmosphere

(ignition temperature)

Permissible maximum

medium temperature

(in the pressure system)

T 6 ( > 85 °C) +70 °C

T 5 ( > 100 °C) +85 °C

all other temperature classes +100 °C

Attention! In the case of gaseous substances, the temperature may

increase due to compression warming. In these cases it may be

necessary to throttle the rate of change of pressure or reduce the

permissible temperature of the pressure medium.

Table 1: Permissible medium temperature

5. Switch contacts

Switching function

The switching function is identified by the code ’3’.

851.3= SPDT contact

Electrical load

Max. switching voltage: 24 VDC / VAC

Max. load: 10 W

Max. current: 0.5 A

Wiring details

Theelectricalconnectionsmustonlybemadebyqualified

personnel

Cableoutput3mlong,conductorcrosssection0.14mm2,

flying leads

Theterminalassignmentisstatedonthepressuregauge's

connection plate

The gauges do not have integrated overcurrent

protection. If overcurrent protection is required,

this has to be provided externally.

Theinstrumentsmustbeconnectedtotheequipotentialbonding

of the plant!



11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX

5. Switch contacts ... 8. Disposal

Setting the switching point

In order to adjust the switching point, the gauge should be discon-

nected from the voltage supply and the window unscrewed.

The switches are set via the mark pointer on the dial‘s circum-

ference. The set value of the switching point is adjustable up to

80 % of the scale range.

Electromagnetic compatibility

Reed contacts are electrically passive components, which, when

used in accordance with their intended use, do not affect their

surroundings.

6. Storage

The pressure gauge should be kept in its original packing until

installation. The gauge should be protected from external damage

during storage. Storage temperature: -20 °C ... +60 °C.

Pressure gauges should be protected from dust and humidity.

7. Maintenance and servicing / Repairs

The instruments require no maintenance or servicing.

Checks should be carried out on a regular basis to guarantee the

measuring accuracy of the pressure gauge. Any tests or recalibrati-

ons must be carried out by qualified personnel using the appropri-

ate equipment.

Any residual pressure medium contained in the

pressure element may be hazardous or toxic. This

should be taken into account when handling and

storing pressure gauges which have been removed.

8. Disposal

Dispose of instrument components and packaging materials in

accordance with the respective waste treatment and disposal

regulations of the region or country to which the instrument is

supplied.

11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX 9

Enclosure 1

11275945 01/2009 GB/D/F/E

WIKA Operating instructions Model 230.15 without/with 851.3 per ATEX

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