Kobold URB Manual de usuario

Operating Instructions

for

Variable area flow meter

Model: URB

URB

page 2 URB K03/0323

1. Contents

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

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

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

4.Regulation Use ............................................................................................. 3

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

6.Mechanical Connection ................................................................................. 4

7.Operation ...................................................................................................... 4

8.Maintenance ................................................................................................. 4

9.Technical Information .................................................................................... 5

10.Order Codes ................................................................................................. 5

11.Dimensions ................................................................................................... 5

12.Disposal ........................................................................................................ 6

13.EU Declaration of Conformance ................................................................... 7

Manufactured by: Sold by:

Kobold-Unirota Ltd. Kobold Messring GmbH

4400 Nyíregyháza Nordring 22-24

Derkovits út 132-136. D-65719 Hofheim

Tel.: +36-42-342-215 Tel.: +49(0)6192-2990

Fax: +36-42-500-175 Fax: +49(0)6192-23398

E-Mail: [email protected] E-Mail: [email protected]

Internet: www.unirota.hu Internet: www.kobold.com

URB

Model K03/0323 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.

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:

 Variable area flow meter model: URB

4. Regulation Use

Any use of the device, which exceeds the manufacturer’s specification, may

invalidate its warranty. Therefore, any resulting damage is not the responsibility of

the manufacturer. The user assumes all risk for such usage.

URB

page 4 URB K03/0323

5. Operating Principle

The Kobold URB model flowmeter/monitor works on the basis of the suspended

float principle. It is used for measuring the flow rates in closed pipe line systems.

The medium flows from below through a glass measuring cone that gets wider on

top. Thus, the float is raised and indicates the respective flow rate on the scale

provided on the measuring cone.

By its special design, this model is particularly suitable for applications

where only very small operating pressures are available. Another advantage

is offered by the very large sight glass which optically allows direct flow

observation.

6. Mechanical Connection

Before Installation:

 Remove all transportation safety locks and ensure that no packing material

remains within the unit.

 Be sure that the maximum allowable operating pressure and temperature is

not exceeded (see Technical data).

 Install the flow meter in the piping system, ensure the instrument is under

no mechanical stress/tension (install support bracing if necessary).

 Protect the measuring tube from external damage.

 Avoid pressure peaks in the measuring tube, e.g. from sudden surges or

stoppage of flow.

 If possible, immediately after making mechanical connections, check

whether the connections are properly sealed with no evidence of leakage

7. Operation

Overranging:

With non-pulsating flow, the maximum flow rate can be exceeded. Only an increase

in pressure loss will result (max. permissible operating pressure must not be

exceeded!)

8. Maintenance

If the medium to be measured is clean, the series URB is virtually maintenance-

free. If deposits form on the inner housing or parts, periodic cleaning of the unit is

recommended. Remove the units from the piping with a suitable tool; clean the flow

meter with a suitable cleaning agent or make use of an ultrasonic bath.

URB

Model K03/0323 page 5

9. Technical Information

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

code on the device or via www.kobold.com

10. Order Codes

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

code on the device or via www.kobold.com

11. Dimensions

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

code on the device or via www.kobold.com

URB

page 6 URB K03/0323

12. 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

URB

Model K03/0323 page 7

13. EU Declaration of Conformance

We, KOBOLD Unirota Kft. Nyíregyháza Hungary, declare under our sole

responsibility that the product:

Variable area flow meter Model: URB-…

to which this declaration relates is in conformity with the standards noted below:

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

and electronic products with respect to the restriction of hazardous substances

Also, the following EC guidelines are fulfilled:

2011/65/EU RoHS (category 9)

2015/863/EU Delegated Directive (RoHS III)

Nyíregyháza, 10 May 2022

Dénes Szabó

General Manager

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