Kobold DVK-12 Operating Instruction
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Kobold DVK-12 Operating Instruction

Calorimetric flow meter, monitor, totalizer
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Operating Instructions
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Calorimetric Flow Meter, Monitor,
Totalizer
Model: DVK

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Summary of Contents for Kobold DVK-12

  • Page 1 Operating Instructions Calorimetric Flow Meter, Monitor, Totalizer Model: DVK...

  • Page 2: Table Of Contents

    Installation .................... 5     Electrical Connection ..................6     7.1. General ....................6     7.2. Compact Version DVK-12..............6     7.3. Separate Version DVK-22.., DVK-42........... 7     Commissioning....................7     8.1. General ....................7  ...

  • Page 3: 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.

  • Page 4: Operating Principle

    The switch state is signalled by two LED’s (ON: LED on; OUT 1*: green, OUT 2*: red). The digital KOBOLD flow meter type DVK works with practically no pressure loss. Typically, the device is available in two different versions (display and sensor as compact instrument, or display and sensor separated but connected with a cable) with the necessary screw connections.

  • Page 5: Mechanical Connection

    6. Mechanical Connection 6.1. Check Operating Conditions  flow rate  max. operating pressure  max. operating temperature  medium 6.2. Installation  flow in direction of arrow (position independent)  avoid pressure and radial tension  fasten the pipe at up stream and down stream at a distance of 50 mm from the connections ...

  • Page 6: Electrical Connection

    Attention! Make sure that the voltage values of your system correspond with the voltage values of the measuring unit. 7.2. Compact Version DVK-12...  Make sure that the lines are powerless.  Connect the supply voltage and the output signal to the plug PIN´s as below: Attention! A wrong connection of plug connection can lead to damage of the unit’s electronics.

  • Page 7: Separate Version Dvk-22

    7.3. Separate Version DVK-22.., DVK-42..  Make sure that the supply wires are de-energized.  Connect the supply voltage and the output signal to the plug PIN´s as given below. Attention! A wrong connection of plug connection can lead to damage of the unit’s electronics.

  • Page 8: Flow Rate Setting

    8.2. Flow Rate Setting 8.2.1. Setting Procedure 8.2.2. Initial Setting page 8 DVK K07/0422...
  • Page 9 8.2.3. Flow Rate Setting Mode (manual) DVK K07/0422 page 9...
  • Page 10 8.2.4. Flow rate setting mode (auto preset) page 10 DVK K07/0422...
  • Page 11 8.2.5. Other functions DVK K07/0422 page 11...

  • Page 12: Error Connection

    8.3. Error Connection 9. Technical Information Method of measurement: calorimetric principle Mounting position: any position, flow in direction of arrow Measuring ranges: 1...10 l/min; 10...100 l/min (switchable to CFMx 10 20...200 l/min; 5...50 l/min; 50...500 l/min (switchable to CFMx 10 air at 0 °C;...
  • Page 13 Material: Connections: aluminium die casting Sensor and housing: PPS/lead-glass/PtIr/FeNi/OFC Sieve: stainless steel Gasket: Response time: Connections: G ¼; G ⅜; G ½ Display: 3-digit 7-segment LCD, 90° rotatable Totalizing: 0...999999 (litres or ft x 10 ), resettable Supply: 12...24 V , max.

  • Page 14: Order Codes

    10. Order Codes Example: DVK-12 01R08 Description Model Measuring Output range/connection Flow meter DVK-12... 01R08 = 1-10 l/min; G¼ compact version 05R08 = 5-50 l/min; G¼ Flow meter 3PP = 2x PNP switching DVK-22... 10R10 = 10-100 l/min; G⅜ sensor unit * outputs 20R10 = 20-200 l/min;...

  • Page 15: Dimensions

    11. Dimensions [mm] Compact design DVK-1201..., DVK-1205... Electrical connection Pin numbers Connector thread M12 Numbers Pin name DC (+) OUT 2/analogue output DC (-) OUT 1 DVK K07/0422 page 15...
  • Page 16 Display unit DVK-42 for panel mount Compact design DVK-1210..., DVK-1220..., DVK-1250... page 16 DVK K07/0422...
  • Page 17 Separate design DVK-2201..., DVK-2205... Separate design DVK-2210..., DVK-2220..., DVK-2250... DVK K07/0422 page 17...

  • Page 18: Eu Declaration Of Conformance

    12. EU Declaration of Conformance We, KOBOLD-Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Calorimetric Flow Meter, Monitor, Totalizer Model: DVK to which this declaration relates is in conformity with the standards noted below: EN 61000-6-2:2005...

This manual is also suitable for:

Dvk-22Dvk-42

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