Kobold SVN Manuale utente
Operating Instructions
for
Low-Volume Flow Switch
Model: SVN / KSR
SVN/KSR
Page 2 SVN/KSR K08/0823
1. Contents
1.Contents ........................................................................................................ 2
2.Note .............................................................................................................. 3
3.Instrument Inspection .................................................................................... 3
4.Regulation Use ............................................................................................. 4
5.Operating Principle ........................................................................................ 4
6.Mechanical Connection ................................................................................. 4
7.Electrical Connection .................................................................................... 5
7.1.SVN-1201 (Proximity Switch) ............................................................... 5
7.2.KSR with Reed Contact ....................................................................... 6
8.Maintenance ................................................................................................. 7
9.Technical Information .................................................................................... 7
10.Order Codes ................................................................................................. 7
11.Dimensions ................................................................................................... 7
12.Disposal ........................................................................................................ 8
13.EU Declaration of Conformance ................................................................... 9
Manufactured and sold by:
Kobold Messring GmbH
Nordring 22-24
D-65719 Hofheim, Germany
Tel.: +49 (0)6192-2990
Fax: +49(0)6192-23398
E-mail: [email protected]
Internet: www.kobold.com
SVN/KSR
SVN/KSR K08/0823 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 6, 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:
Low-Volume Flow Switch model: SVN / KSR
SVN/KSR
Page 4 SVN/KSR K08/0823
4. Regulation Use
Any use of the Flow Switch, model: SVN/KSR, 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.
5. Operating Principle
The KOBOLD flow switch types SVN and KSR operate on the known suspended
float principle of measurement and are suited for liquids and gases.
This switch must be fitted vertically with the media flowing from bottom to top.
Set point
The flow switch is designed for small flows. The set point is set at the factory to
the value specified by the customer (a decreasing or increasing flow rate is
specified).
6. Mechanical Connection
Before installation:
Remove all packing materials and transport retainers and ensure that no such
materials remain in the device.
Make sure that the maximum operating pressure and temperature of the device
are not exceeded (see Fehler! Verweisquelle konnte nicht gefunden
werden. Fehler! Verweisquelle konnte nicht gefunden werden.).
Install the flow switch in the piping system, ensuring that the piping is rigidly
supported at the inlet and outlet of the switch with pipe clamps
Ensure that the piping is aligned with the inlet and outlet fittings and the no
piping induced stresses are exerted in the switch. This stress can result in
damage to the switch during system operation
Protect the measuring tube from external damage.
Avoid pressure surges in the measuring tube, such as those arising from fast
start up/shut off of flow or pulsating flow.
If possible, after completing the mechanical installation, check the threaded
connection between the device and the piping for leakage immediately.
For complete information on the proper installation of float-type flow
meters, see VDI/VDE Directive 3513.
SVN/KSR
SVN/KSR K08/0823 Page 5
7. Electrical Connection
Make sure that the electrical supply lines are de-energized when connecting
the device!
Connect the power supply line to the device connection as shown in the
illustration below.
7.1. SVN-1201 (Proximity Switch)
UB = 10 – 30 VDC , 3-wire
Output: NPN, N/O contact
Attention! The electrical values specified for the proximity switch
must not be exceeded.
SVN/KSR
Page 6 SVN/KSR K08/0823
7.2. KSR with Reed Contact
SPST contact
12
SPDT contact
12
3
COM
NC
NO
Attention! The electrical values specified for the contact must not
be exceeded, even for a short time. For higher switching capacities,
we recommend installation of our contact protection relay (such as
model MSR) or other contact protection measures.
After connection of all necessary external devices to the limit contact, the device
is completely set up and can now be placed in operation.
SVN/KSR
SVN/KSR K08/0823 Page 7
8. Maintenance
If the medium to be measured is not dirty, SVN/KSR Flow Monitors are
essentially maintenance-free. However, any lime or dirt deposits on the housing
or the internal parts should be removed regularly.
To clean the flow monitor, proceed as follows:
Make sure that the electrical supply lines are de-energized.
Unscrew the flow monitor from the line.
To disassemble the flow monitor, remove the stud screws.
Clean the flow monitor in a cleaning bath or in an ultrasonic bath.
When reassembling the flow monitor, be sure that the gaskets are seated
properly.
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
SVN/KSR
Page 8 SVN/KSR K08/0823
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
SVN/KSR
SVN/KSR K08/0823 Page 9
13. EU Declaration of Conformance
We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole
responsibility that the product:
Low-Volume Flow Monitor Model: SVN-1201
to which this declaration relates is in conformity with the following EU directives
stated below:
2014/35/EU Low Voltage Directive
2014/30/EU EMC Directive
2011/65/EU RoHS (category 9)
Also, the following standards are fulfilled:
EN 60947-5-2:2020 Low-voltage switchgear and controlgear - Part 5-2: Control
circuit devices and switching elements - Proximity switches
EN 60947-5-7:2003 Low-voltage switchgear and controlgear - Part 5-7: Control
circuit devices and switching elements - Requirements for proximity devices with
analogue output
EN 60947-5-6:2000 Low-voltage switchgear and controlgear - Part 5-6: Control
circuit devices and switching elements, DC interface for proximity sensors and
switching amplifiers (NAMUR)
EN 60947-5-3:2014 Low-voltage switchgear and controlgear - Part 5-3: Control
circuit devices and switching elements - Requirements for proximity devices with
defined behaviour under fault conditions (PDDB)
EN IEC 63000:2018 Technical documentation for the assessment of electrical
and electronic products with respect to the restriction of hazardous substances
Hofheim, 18 August 2023
H. Volz J. Burke
General Manager Compliance Manager
SVN/KSR
Page 10 SVN/KSR K08/0823
We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole
responsibility that the product:
Low-Volume Flow Monitor Model: KSR-...
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 IEC 63000:2018 Technical documentation for the assessment of electrical
and electronic products with respect to the restriction of hazardous substances
Hofheim, 18 August 2023
H. Volz J. Burke
General Manager Compliance Manager
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