Kobold URB Manuel utilisateur
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
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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