Kobold SWK Manual de usuario

Operating Instructions

for

Float Flow Meter / Monitor

Model: SWK

SWK

page 2 SWK K12/0224

1. Contents

1.Contents ........................................................................................................ 2

2.Note .............................................................................................................. 3

3.Instrument Inspection .................................................................................... 3

4.Regulation Use ............................................................................................. 4

5.Operating Principle ........................................................................................ 4

6.Mechanical Connection ................................................................................. 5

7.Electrical Connection .................................................................................... 5

8.Operation / Configuration / Adjustments ....................................................... 6

8.1Adjustment of Limit-Value (SWK-1...) .................................................. 6

8.2Adjustment of Limit-Value (SWK-2...) .................................................. 6

9.Maintenance ................................................................................................. 7

10.Technical Information .................................................................................... 7

11.Order Codes ................................................................................................. 7

12.Dimensions ................................................................................................... 7

13.Disposal ........................................................................................................ 8

14.EU Declaration of Conformance ................................................................... 9

15.UK Declaration of Conformity ...................................................................... 10

Manufactured and sold by:

Kobold Messring GmbH

Nordring 22-24

D-65719 Hofheim

Tel.: +49(0)6192-2990

Fax: +49(0)6192-23398

E-Mail: [email protected]

Internet: www.kobold.com

SWK

SWK K12/0224 page 3

2. Note

Please read these operating instructions before unpacking and putting the unit

into operation. Follow the instructions precisely as described herein.

The instruction manuals on our website www.kobold.com are always for currently

manufactured version of our products. Due to technical changes, the instruction

manuals available online may not always correspond to the product version you

have purchased. If you need an instruction manual that corresponds to the

purchased product version, you can request it from us free of charge by email

([email protected]) in PDF format, specifying the relevant invoice number and

serial number. If you wish, the operating instructions can also be sent to you by

post in paper form against an applicable postage fee.

Operating instructions, data sheet, approvals and further information via the QR

code on the device or via www.kobold.com

The devices are only to be used, maintained and serviced by persons familiar

with these operating instructions and in accordance with local regulations

applying to Health & Safety and prevention of accidents.

When used in machines, the measuring unit should be used only when the

machines fulfil the EC-machine guidelines.

as per PED 2014/68/EU

In acc. with Article 4 Paragraph (3), "Sound Engineering Practice", of the

PED 2014/68/EU no CE mark.

Diagram 8, Pipe, Group 1 dangerous fluids

3. Instrument Inspection

Instruments are inspected before shipping and sent out in perfect condition.

Should damage to a device be visible, we recommend a thorough inspection of

the delivery packaging. In case of damage, please inform your parcel service /

forwarding agent immediately, since they are responsible for damages during

transit.

Scope of delivery:

The standard delivery includes:

 Float Flow Meter / Monitor Model: SWK

SWK

page 4 SWK K12/0224

4. Regulation Use

These units, type SWK, are used for the purpose of measuring and monitoring

liquid flow. Only clean, low-viscous and homogeneous liquids may be measured

which do not chemically attack the materials used in the construction of these

units. An attempt to measure high-viscous liquids may lead to considerable

measurement errors.

Large dirt-particles can cause the blockage of float and subsequently turn on

error indications. Also, ferrite particles, which deposit on float (with embedded

magnets), can generate the same effect (we recommend a magnet-filter).

These units are configured in the following manner:

 Housing made of Brass, St. Steel or PVC

 Attached reed contact N/O with 1m PVC cable (Brass version)

 Attached reed contact N/O with 2m PVC cable (PVC/VA version)

 Attached and aligned pointer display (option)

5. Operating Principle

KOBOLD Flow Meter/Monitor of type SWK operates according to the well-known

float principle, however without making use of the generally employed extended

measuring tube. Inside a cylindrical flow-tube a float with aperture moves in the

direction of the flow against the recoiling force of a spring. Within the float, a pair

of magnets is located which trigger a potential-free protective-gas reed contact

and drives a pointer display. The reed contact is mounted on the exterior of the

flow-housing. The springs arrangement allows the unit to be operated without

consideration to mounting position and keeps the installation dimensions to a

minimum. Flow monitors of type SWK generally find application where small

volume flow needs to be measured in a fail-safe manner.

SWK

SWK K12/0224 page 5

6. Mechanical Connection

Before installation:

 Make sure that the permitted maximum operating pressure and the operating

temperature of the device are not exceeded.

 Make sure that the electrical supply for the devices corresponds with the

operational data of the device.

 Make sure that no remains of packing material exist within the device.

 The devices should not be installed within an inductive field.

 If possible, it should be checked, after the mechanical installation whether the

connection joints/ piping is properly sealed.

Attention! A displacement of switching range occurs if the flow takes

place from top to bottom.

7. Electrical Connection

Attention! Make sure that the voltage values of your system

correspond with the voltage values of the measuring unit, mentioned

on type-label.

 Make sure that the supply wires are de-energized.

 The connection of the bistable reed contact succeeds is accomplished through

the cable on the contact housing. The potential-free contact closes on rising

level above the adjusted flow value.

SWK

page 6 SWK K12/0224

8. Operation / Configuration / Adjustments

The commissioning of these units is prohibited in machines (as long as the

guidelines 2006/42/EC remain enforced), which do not comply with these

guidelines.

The unit is supplied in 'ready for operation' condition. The switching point is

adjusted on the lowest scale value.

8.1 Adjustment of Limit-Value (SWK-1...)

 Loosen the knurled nut on the reed contact.

 Adjust the marking on the contact for the desired value on the scale. In once

positioned the knurled nut should be tightly screwed.

8.2 Adjustment of Limit-Value (SWK-2...)

 Loosen the knurled nut on the reed contact.

 Connect a suitable continuity-tester on cable ends.

 Case 1: On an installed unit

 Open the supply line, and let the flow-medium enter slowly, till the pointer

display shows the desired flow value- at which the rising flow should operate

the switch (the value for the decreasing flow lies below due to the hysteresis).

 Case 2: On an uninstalled unit the adjustment may be performed by lifting

the float with a suitable tool.

 Switch-housing is repositioned from top to bottom, till the reed contact just

closes (electrical continuity). In this position, secure the contact by tightening

the knurled nut.

The unit is now adjusted and ready for operation.

On correct adjustment, the limit-value contact performs bistable action. That

means, even after on crossing above the adjusted limit-values, the contact

remains closed.

Hysteresis

Hysteresis is an indication of difference between switch-on (rising float) and

switch-off (falling float) points of a contact. The average hysteresis corresponds

to a float-centre movement of about 3 mm.

SWK

SWK K12/0224 page 7

9. Maintenance

As long as the medium to be measured is not contaminated, the device SWK is

almost maintenance-free. With lime or such depositions within inner sections

the device should be cleaned regularly.

Attention! Before the commencement of maintenance work, make sure

that the supply wires are de-energized.

10. Technical Information

Operating instructions, data sheet, approvals and further information via the QR

code on the device or via www.kobold.com

11. Order Codes

Operating instructions, data sheet, approvals and further information via the QR

code on the device or via www.kobold.com

12. Dimensions

Operating instructions, data sheet, approvals and further information via the QR

code on the device or via www.kobold.com

SWK

page 8 SWK K12/0224

13. Disposal

Note!

 Avoid environmental damage caused by media-contaminated parts

 Dispose of the device and packaging in an environmentally friendly

manner

 Comply with applicable national and international disposal regulations and

environmental regulations.

Batteries

Batteries containing pollutants are marked with a sign consisting of a crossed-out

garbage can and the chemical symbol (Cd, Hg, Li or Pb) of the heavy metal that

is decisive for the classification as containing pollutants:

Cd1 Hg2 Pb3 Li4

1. „Cd" stands for cadmium

2. „Hg" stands for mercury

3. „Pb" stands for lead

4. „Li" stands for lithium

Electrical and electronic equipment

SWK

SWK K12/0224 page 9

14. EU Declaration of Conformance

We, KOBOLD Messring GmbH, Nordring 22-24, 65719 Hofheim, Germany,

declare under our sole responsibility that the product:

Float Flow Meter / Monitor Model: SWK...

to which this declaration relates is in conformity with the following EU directives

stated below:

2014/35/EU Low Voltage Directive

2011/65/EU RoHS (category 9)

2015/863/EU Delegated Directive (RoHS III)

Also, the following standards are fulfilled:

EN 61010-1:2010 + A1:2019 + A1:2019/AC:2019 Safety requirements for

electrical equipment for measurement, control and laboratory use - Part 1:

General requirements

EN 60529:2014 Protection through housing (IP-Code)

EN IEC 63000:2018 Technical documentation for the assessment of electrical

and electronic products with respect to the restriction of hazardous substances

Hofheim, 28 Feb. 2024

H. Volz J. Burke

General Manager Compliance Manager

SWK

page 10 SWK K12/0224

15. UK Declaration of Conformity

We, KOBOLD Messring GmbH, Nordring 22-24, 65719 Hofheim, Germany,

declare under our sole responsibility that the product:

Low Volume Variable Area Flowmeters/Monitors for liquids

model: SWK -...

to which this declaration relates is in conformity with the following UK directives

stated below:

S.I. 2016/1101 Electrical Equipment (Safety) Regulations 2016

S.I. 2012/3032 The Restriction of the Use of Certain Hazardous Substances in

Electrical and Electronic Equipment Regulations 2012

Also, the following standards are fulfilled:

BS EN 61010-1:2010+A1:2019 Safety requirements for electrical equipment

for measurement, control, and laboratory use. General requirements

BS EN 60529:1992+A2:2013 Degrees of protection provided by enclosures

(IP Code)

BS EN IEC 63000:2018 Technical documentation for the assessment of

electrical and electronic products with respect to the restriction of hazardous

substances.

Hofheim, 28 Feb. 2024

H. Volz J. Burke

General Manager Compliance Manager

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