WIKA Delta-plus Manual de usuario

Operating instructions

Betriebsanleitung

DELTA-switch

Model DPG40

Dierential pressure gauges,

models DPG40, DPGS40 and DPS40

Dierenzdruckmessgeräte,

Typen DPG40, DPGS40 und DPS40

DELTA-plus

Model DPS40

Model DPGS40

DELTA-comb

14093265.04 04/2016 EN/DE

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

WIKA®is a registered trademark in various countries.

WIKA®ist eine geschützte Marke in verschiedenen Ländern.

Prior to starting any work, read the operating instructions!

Keep for later use!

Vor Beginn aller Arbeiten Betriebsanleitung lesen!

Zum späteren Gebrauch aufbewahren!

Operating instructions, dierential pressure gauges,

models DPG40, DPGS40 and DPS40 Page 3 - 24

Betriebsanleitung Dierenzdruckmessgeräte,

Typen DPG40, DPGS40 und DPS40 Seite 25 - 46

Contents

1. General information 4

2. Safety 5

3. Specications 8

4. Design and function 11

5. Transport, packaging and storage 14

6. Commissioning, operation 15

7. Options and accessories 22

8. Maintenance 24

9. Dismounting, return and disposal 24

Contents

WIKA operating instructions DELTA-plus, DELTA-comb and DELTA-switch 3

14093265.04 04/2016 EN/DE

Declarations of conformity can be found online at www.wika.com.

WIKA operating instructions DELTA-plus, DELTA-comb and DELTA-switch4

14093265.04 04/2016 EN/DE

1. General information

■

The dierential pressure gauges described in the operating instructions

have been designed and manufactured using state-of-the-art technology.

All components are subject to stringent quality and environmental criteria

during production. Our management systems are certied to ISO 9001 and

ISO 14001.

■

These operating instructions contain important information on handling the

instrument. Working safely requires that all safety instructions and work

instructions are observed.

■

Observe the relevant local accident prevention regulations and general safety

regulations for the instrument's range of use.

■

The operating instructions are part of the product and must be kept in the

immediate vicinity of the instrument and readily accessible to skilled personnel

at any time.

■

Skilled personnel must have carefully read and understood the operating

instructions prior to beginning any work.

■

The manufacturer's liability is void in the case of any damage caused by

using the product contrary to its intended use, non-compliance with these

operating instructions, assignment of insuciently qualied skilled personnel

or unauthorised modications to the instrument.

■

The general terms and conditions contained in the sales documentation shall

apply.

■

Subject to technical modications.

■

Further information:

- Internet address: www.wika.de / www.wika.com

- Relevant data sheets: PM 07.20, PV 27.20, PV 27.21

- For Ex version: Additional Information for hazardous areas (Ex i)

1. General information

Explanation of symbols

WARNING!

... indicates a potentially dangerous situation that can result in

serious injury or death, if not avoided.

Information

... points out useful tips, recommendations and information for

ecient and trouble-free operation.

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2. Safety

WARNING!

Before installation, commissioning and operation, ensure that

the appropriate dierential pressure gauge has been selected

in terms of measuring range, design and specic measuring

conditions.

Check the compatibility with the medium of the materials

subjected to pressure!

In order to guarantee the measuring accuracy and long-term

stability specied, the corresponding load limits must be

observed.

Only work on the gauge with the voltage disconnected.

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

the equipment.

Further important safety instructions can be found in the

individual chapters of these operating instructions.

2.1 Intended use

The dierential pressure gauges of the DELTA-line product family are primarily

used for the monitoring and control of low dierential pressures where there are

high requirements in terms of one-sided overpressure and static pressure.

Typical markets for these products are the shipbuilding industry, process heating

technology, the heating, ventilation and air-conditioning industries, the water/

wastewater industry, and machine building and plant construction. For these, the

main function of the measuring instruments is the monitoring and control of lters,

compressors and pumps.

The instrument 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.

WIKA operating instructions DELTA-plus, DELTA-comb and DELTA-switch6

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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.

Skilled personnel

Skilled personnel are understood to be personnel who, based on their technical

training, knowledge of measurement and control technology and on their experi-

ence and knowledge of country-specic regulations, current standards and direc-

tives, are capable of carrying out the work described and independently recognis-

ing potential hazards.

2. Safety

2.3 Special hazards

WARNING!

For hazardous media such as oxygen, acetylene, ammable or

toxic gases or liquids, and refrigeration plants, compressors, etc.,

in addition to all standard regulations, the appropriate existing

codes or regulations must also be followed.

WARNING!

Residual media in dismounted measuring instruments can result in

a risk to persons, the environment and equipment.

Take sucient precautionary measures.

WARNING!

The maximum surface temperature of the instrument may not

exceed the ignition temperature of ammable media.

Take sucient precautionary measures.

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2. Safety

2.4 Labelling, safety marks

Product label

Explanation of symbols

Before mounting and commissioning the instrument, ensure

you read the operating instructions!

CE, Communauté Européenne

Instruments bearing this mark comply with the relevant European

directives.

Risk of burns!

Potentially dangerous situation caused by hot surfaces.

Due to the maximum permissible process temperature of 90 °C,

measuring cells, adapters, valves or other attachment parts can

reach a temperature of 90 °C.

Date of

manufacture

Pin assignment

Type of

contact

Model 1)

1) E = single micro switch 850.3

D = double micro switch 850.3.3

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3. Specications

The insulation values (air gaps and creepage distances) are sized for the

following ambient conditions per EN 61010-1:2010.

■

Altitude up to 2,000 m

■

Overvoltage category II

■

Pollution degree 2

■

Relative humidity 0 ... 95 % non-condensing (per DIN 40040)

The strength of the measuring instruments (enclosing, non-metallic components)

was tested with a reduced impact energy of 2 J corresponding to IK07 in

accordance with EN 61010-1:2010.The IK code is included on the respective

product label.

Specications DELTA-plus model DPG40 and DELTA-comb

model DPGS40

Nominal size Dierential pressure indication: Ø 100 mm

Working pressure indication: Ø 22 mm

Accuracy Dierential pressure indication: ≤ 2.5 % of span

(option ≤ 1.6 %)

Working pressure indication: ≤ 4 % of span

Scale ranges (EN 837) Dierential pressure: 0 ... 0.16 to 0 ... 10 bar for model DPG40

Dierential pressure: 0 ... 0.25 to 0 ... 10 bar for model DPGS40

Working pressure: 0 ... 25 bar

Max. working pres-

sure (stat.)

25 bar

Overpressure safety Either side max. 25 bar

Permissible

temperatures

Ambient: -10 ... +70 °C, medium: -10 ... +90 °C

Storage: -40 ... +70 °C

Ingress protection IP65 per EN/IEC 60529

Media chamber

(wetted)

Aluminium, EN AC–Al Si9Cu3(Fe), black lacquered

(option: Stainless steel)

Process connections

(wetted)

2 x G 1/4 female, lower mount (LM), in-line, centre distance

26 mm

Pressure elements

(wetted)

Dierential pressure: Compression springs from stainless steel

1.4310 and separating diaphragm from FPM/FKM (option: NBR)

Working pressure: Bourdon tube from Cu-alloy

Transmission parts

(wetted)

Stainless steel 1.4301, 1.4305, 1.4310, FPM/FKM

(option: NBR)

Sealings (wetted) FPM/FKM (option: NBR)

Movement Copper alloy

WIKA operating instructions DELTA-plus, DELTA-comb and DELTA-switch 9

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3. Specications

Specications DELTA-switch model DPS40

Case diameter 100 mm

Dierential pressure

measuring ranges

0 ... 0.25 to 0 ... 10 bar

Max. working

pressure (stat.)

25 bar

Overpressure safety Either side max. 25 bar

Permissible

temperature

Ambient: -10 ... +70 °C, medium: -10 ... +90 °C

Storage: -40 ... +70 °C

Ingress protection IP65 per EN/IEC 60529

Media chamber

(wetted)

Aluminium, EN AC–Al Si9Cu3(Fe), black lacquered

Process connections

(wetted)

2 x G 1/4 female, lower mount (LM), in-line, centre distance

26 mm

Pressure elements

(wetted)

Dierential pressure: Compression springs from stainless steel

1.4310 and separating diaphragm from FPM/FKM (option: NBR)

Transmission parts

(wetted)

Stainless steel 1.4301, 1.4305, 1.4310, FPM/FKM

(option: NBR)

Sealings (wetted) FPM/FKM (option: NBR)

Case Aluminium, EN AC–Al Si9Cu3(Fe), black lacquered

Window Plastic, with plug screw for switch point adjustment

Weight approx. 1.4 kg

Specications DELTA-plus model DPG40 and DELTA-comb

model DPGS40

Dial Dierential and working pressure indication: White dial, black

lettering

Pointer Dierential and working pressure indication: Blue pointer

Zero adjustment for

dierential pressure

indication

Via screw in the dial

Case Aluminium, EN AC–Al Si9Cu3(Fe), black lacquered

Window Plastic, plug screw for zero point adjustment; plug screw(s) for

switch point setting for model DPGS40

Weight approx. 1.3 kg

WIKA operating instructions DELTA-plus, DELTA-comb and DELTA-switch10

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For further specications see the corresponding product label, WIKA data sheet

and the order documentation.

For models with optional explosion protection read the “Additional information

for hazardous areas (Ex i), models DPS40, DPGS40, DPGS40TA und DPGT40”,

article number 14110818.

Electrical contact

Type of contact Micro switch

Contact function

Single change-over

Double change-over

Contact type 850.3

Contact type 850.3.3

Load data

U max., I max., P max. AC 250 V, 5 A, 250 VA DC 30 V, 0.4 A, 10 W

Switch point setting from the outside at assistant scale by means of adjustment

screw(s)

Setting range from 10 % to 100 % of the full scale value

Switch point reproduc-

ibility

≤ 1.6 %

Switch hysteresis max. 5 % of the full scale value (option: max. 2.5 %)

Electrical connection Cable gland M20 x 1.5 with 1 m free cable

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