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VKM

VKM K11/0118

page 15

Viscosity-compensated flow meter with evaluating electronics model: VKM-7...

Measuring

range L/min

oil approx.

Pressure loss



P [bar] at

rated flow*

Brass

Stainless

steel

Output

Connection

Flow

direction

min. max.

Standard Sonder

0.01-0.063 0.02 1.0

VKM-7101... VKM-7201...

…K04…

= combination ind.

100-240 V

AC/DC

±10% (50-60 Hz)

…K34…

= combination ind.

10-40 V

18-30 V

50/60 Hz

..R08 =

G 1/4

..N08 =

1/4 NPT

B =

from

bottom

T =

from top

L =

from left

R =

from right

0.1...0.4 0.03 0.8

VKM-7102... VKM-7202...

0.2...1.1 0.05 1.1

VKM-7103... VKM-7203...

..R08 =

G 1/4

..R15 =

G 1/2

..N08 =

1/4 NPT

..N15 =

1/2 NPT

0.5...1.8 0.07 1.2

VKM-7104... VKM-7204...

0.8...3.1 0.05 0.9

VKM-7105... VKM-7205...

3...8.1 0.05

0.8

VKM-7106... VKM-7206...

4...12.6 0.08 1.1

VKM-7107... VKM-7207...

..R15 =

G 1/2

..R20

= G 3/4

..N15 =

1/2 NPT

..N20

= 3/4 NPT

5...18 0.05

1.1

VKM-7108... VKM-7208...

4...36 0.1

0.4

VKM-7109... VKM-7209...

..R20 =

G 3/4

..R25 =

G 1

..N20 =

3/4 NPT

..N25 =

1 NPT

5...50 0.15

1.1

VKM-7110... VKM-7210...

7...63 0.15

1.1

VKM-7111... VKM-7211...

8...72 0.15

1.1

VKM-7112... VKM-7212...

..R25=

G 1

..N25 =

1 NPT

* Pressure loss refers to water

Viscosity-compensated flow meter with compact electronics model: VKM-8…

Measuring

range L/min

oil approx.

Pressure loss



P [bar] at

rated flow*

Brass

Stainless

steel

Output

Connection

Flow

direction

min. max.

0.01-0.063 0.02 1.0

VKM-8101... VKM-8201...

…C0R… =

compact electr.

24 V

, 2x PNP

...C0M...

= compact electr.

24 V

, 2xNPN

...C4P...

= compact electr.
24 V

, 4-20 mA,

1xPNP

...C4N...

= compact electr.
24 V

, 4-20 mA,

1x NPN

..R08 =

G 1/4

..N08 =

1/4 NPT

B =

from bottom

= from top

L =

from left

R =

from right

0.1...0.4 0.03

0.8

VKM-8102... VKM-8202...

0.2...1.1 0.05

1.1

VKM-8103... VKM-8203...

..R08 =

G 1/4

..R15 =

G 1/2

..N08 =

1/4 NPT

..N15 =

1/2 NPT

0.5...1.8 0.07

1.2

VKM-8104... VKM-8204...

0.8...3.1 0.05

0.9

VKM-8105... VKM-8205...

3...8.1 0.05

0.8

VKM-8106... VKM-8206...

4...12.6 0.08

1.1

VKM-8107... VKM-8207...

..R15 =

G 1/2

..R20

= G 3/4

..N15 =

1/2 NPT

..N20

= 3/4 NPT

5...18 0.05

1.1

VKM-8108... VKM-8208...

4...36 0.1

0.4

VKM-8109... VKM-8208...

..R20 =

G 3/4

..R25 =

G 1

..N20 =

3/4 NPT

..N25 =

1 NPT

5...50 0.15

1.1

VKM-8110... VKM-8210...

7...63 0.15

1.1

VKM-8111... VKM-8211...

8...72 0.15

1.1

VKM-8112... VKM-8212...

..R25=

G 1

..N25 =

1 NPT

* Pressure loss refers to water

Содержание VKM Series

Страница 1: ...Operating Instructions for Viscosity Compensated Flow Meter Monitor Model VKM ...

Страница 2: ...tronics VKM 7 9 8 5 Compact electronic VKM 8 9 9 Commissioning 10 9 1 General 10 9 2 Switching Output VKM 1 and VKM 3 10 9 3 ADI Electronic Analyser VKM 7 11 9 4 Compact electronic VKM 8 11 10 Technical Information 12 11 Order Codes 14 12 Maintenance 16 13 Dimensions 16 14 Recommended Spare Parts 18 15 Declaration of the Manufacturer VKM 19 16 Declaration of the Manufacturer Ex RC 21 17 EU Declara...

Страница 3: ...e 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...

Страница 4: ...th magnet may lead to the same effects The instruments are provided as follows Flow measurement only for Model VKM 2 and VKM 3 The actual flow rate may be read off the magnetically operated pointer indicator mounted on the instrument The scale indicates the flow rate directly in litres per minute Limit Value Switches only for Model VKM 1 and VKM 3 The instrument is fitted with one or two adjustabl...

Страница 5: ... with a minimum igniting energy of 3 mJ The Flow Meter and Switches are filled completely with medium in the normal operation Zone 2 or zone 1 conditions may be obtained for a short time The ambient temperature limit area is fixed as follows Execution Medium Temperature Ambient Temperature Pmax NBR seal 20 70 C 20 60 C 250 bar FPM seal 10 100 C 10 90 C 350 bar 5 2 Contacts and Ex Contact N O code ...

Страница 6: ...ce is located within a cylindrical bored metal housing The flowing medium raises the float against the spring force The position of the float corresponds to a particular flow rate which may be read from the needle indicator mounted on the instrument Permanent magnets are fitted around the float which operate reed contact switches external to the flowing medium chamber The operation of the contacts...

Страница 7: ...hreads should be carried out with Teflon tape or similar The instruments must not be installed within an induction field if possible after the mechanical installation it should be checked that the connection thread to pipe is fully sealed see section 9 Commissioning 8 Electrical Connection 8 1 Switching Output VKM 1 and VKM 3 Make sure that the supply wires are de energized Loosen the holding scre...

Страница 8: ...s are de energized Plug in the system according to the connecting diagrams If the contact switchpoint has not been adjusted yet it would be appropriate to do so at this point see section 9 Commissioning Attention The given electrical specifications of reed switches must never be exceeded even for a short time For higher switching capacities we recommend the use of contact protection relays e g or ...

Страница 9: ...ecommend the following protective schemes 8 4 ADI Evaluation Electronics VKM 7 For connection of the power supply and the output signals please check with the operating instructions of the corresponding ADI electronic Information The measuring input of the ADI is already factory set 8 5 Compact electronic VKM 8 Compact electronic C30R C30M ...

Страница 10: ... recalibration 9 2 Switching Output VKM 1 and VKM 3 Hysteresis VKM 1 and VKM 3 Hysteresis is characterised by the difference between the switching on and switching off points of the contact By matching the magnet and reed contact strength AW Number a hysteresis of approx 3 5 mm of float movement is achieved At the same time it may be assured that the contacts have a bistable switching characterist...

Страница 11: ... housing upwards until the reed switch just opens no electrical continuity At this position tighten the mounting screws Replace the plug cap The instrument is now ready for operation By correct adjustment of the limit switch a bi stable switch condition is achieved i e even when exceeding the adjusted limit value the contact remains closed PIN 1 2 or PIN 2 3 for changeover contact option 9 3 ADI E...

Страница 12: ...curacy 4 f s with a viscosity of 105 mm2 s Measuring error due to change in viscosity For changes in viscosity within 1 540 mm2 s the additional deviation is 5 f s maximum Viscosity range 1 540 mm2 s Contacts Optional with VKM 1 VKM 3 Electrical connection 2 m cable VKM F0 For all other types Connector DIN 43 650 Electrical switching values N O contact standard max 250 VAC DC 1 5 A 100 W 100 VA ch...

Страница 13: ...ned indication digital bargraph For technical information please see the operating instructions for ADI VKM 8 display 3 digit LED display indication semi conductor PNP or NPN Analogue output 4 20 mA 3 wire version max 500 linear Auxiliary power 24 VDC 20 Max temperature 80 C Electrical conn plug M12x1 ...

Страница 14: ... bottom T from top L from left R from right 0 1 0 45 0 03 0 8 VKM 2102 VKM 2202 0 2 1 2 0 05 1 1 VKM 2103 VKM 2203 R08 G 1 4 R15 G 1 2 N08 1 4 NPT N15 1 2 NPT 0 5 2 0 07 1 2 VKM 2104 VKM 2204 0 8 3 4 0 05 0 9 VKM 2105 VKM 2205 3 9 0 05 0 8 VKM 2106 VKM 2206 4 14 0 08 1 1 VKM 2107 VKM 2207 R15 G 1 2 R20 G 3 4 N15 1 2 NPT N20 3 4 NPT 5 20 0 05 1 1 VKM 2108 VKM 2208 4 40 0 1 0 4 VKM 2109 VKM 2209 R20...

Страница 15: ...VKM 7111 VKM 7211 8 72 0 15 1 1 VKM 7112 VKM 7212 R25 G 1 N25 1 NPT Pressure loss refers to water Viscosity compensated flow meter with compact electronics model VKM 8 Measuring range L min oil approx Pressure loss P bar at rated flow Brass Stainless steel Output Connection Flow direction min max 0 01 0 063 0 02 1 0 VKM 8101 VKM 8201 C0R compact electr 24 VDC 2x PNP C0M compact electr 24 VDC 2xNPN...

Страница 16: ...le the instrument in the correct order of assembly Please note that the spring must be installed into the nipple of the upper threaded connection and onto the float body The lower end of the float with the inserted orifice is located at the fluid inlet side 13 Dimensions Model Square mm Length mm Connection SW mm Connection Weight kg VKM 01 40x40 162 36 1 7 VKM 02 40x40 162 36 1 7 VKM 03 40x40 162...

Страница 17: ...VKM VKM K11 0118 page 17 VKM 1 VKM 2 VKM 3 VKM 7 VKM 8 ...

Страница 18: ...parts are available in various sizes when ordering please indicate instrument type 1 1 Float Brass 5 1 N O contact standard 1 2 Float Stainless Steel 5 2 Changeover contact standard 2 1 Slotted nozzle Brass 5 3 N O contact Ex 2 2 Slotted nozzle Stainless Steel 5 4 N O contact cCSAus 3 1 Spring St Steel 5 5 Changeover contact cCSAus 4 1 O Ring set NBR 4 2 O Ring set FPM Flow direction ...

Страница 19: ...14 34 EU ATEX 100a The attachable contact at the sides is part and parcel of an own check and requires certificates and or approvals The units assembly groups can be used as follows a In the Zone 2 Gas Ex Cat 3G in explosion group of IIA IIB and IIC b In the Zone 22 Dust Ex Category 3D with non conductive dusts with a minimum igniting energy of 3 mJ c In the Zone 1 Gas Ex Cat 2G in explosion group...

Страница 20: ...er Switch has to involved in the potential equalisation system b Add on control contacts can under application of EN 60079 14 article 12 2 1 be used as simple electrical equipment without any additional marking in intrinsically safe equipment c Add on control contacts with an own EU type examination test can be used however are not subject to this declaration Hofheim 18 Oct 2016 H Peters M Wenzel ...

Страница 21: ...VKM VKM K11 0118 page 21 16 Declaration of the Manufacturer Ex RC ...

Страница 22: ... EN 60079 0 2009 General Regulations EN 60079 18 2009 Encapsulation m EN 50581 2012 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 2014 35 EU Low Voltage Directive 2014 34 EU Equipment and Protective systems intended for use in a potentially Explosive Atmospheres...

Страница 23: ...VKM VKM K11 0118 page 23 18 EC Type Examination Certificate Magnetic reed switch EEx RC ...

Страница 24: ...VKM page 24 VKM K11 0118 ...

Страница 25: ...VKM VKM K11 0118 page 25 ...

Страница 26: ...VKM page 26 VKM K11 0118 ...

Страница 27: ...VKM VKM K11 0118 page 27 ...

Страница 28: ...VKM page 28 VKM K11 0118 ...

Страница 29: ...VKM VKM K11 0118 page 29 ...

Страница 30: ...VKM page 30 VKM K11 0118 ...

Страница 31: ...VKM VKM K11 0118 page 31 ...

Страница 32: ...VKM page 32 VKM K11 0118 ...

Страница 33: ...VKM VKM K11 0118 page 33 ...

Страница 34: ...VKM page 34 VKM K11 0118 ...

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