Kobold DRZ series Operating Instructions Manual
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Kobold DRZ series Operating Instructions Manual

Piston flow meters
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Operating Instructions
for
Piston Flow Meters
Model: DRZ

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Summary of Contents for Kobold DRZ series

  • Page 1 Operating Instructions Piston Flow Meters Model: DRZ...

  • Page 2: Table Of Contents

        Pressure Loss Diagram ................12       EU Declaration of Conformance ..............13   Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 D-65719 Hofheim Tel.: +49(0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com page 2 DRZ K03/0418...

  • Page 3: Note

    2. Note Please read these operating instructions before unpacking and putting the unit into operation. Follow the instructions precisely as described herein. 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 &...

  • Page 4: Operating Principle

    5. Operating Principle KOBOLD Piston Flow Meters are direct volume counters, also called displacement counter (positive displacement meter). Its function is based on continuous limitation of a definite part-volume of the flow in a measuring cell through continuous filling and emptying of this measuring cell.

  • Page 5: Mechanical Connection

    6. Mechanical Connection Before installation:  Remove all packing materials, 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.  Please ascertain, that the pipe system is free of any welding bead, ferrite particles or other pollution.
  • Page 6 DRZ-..F3..; DRZ-..L3.. DRZ-..0000 DRZ-..C3.. page 6 DRZ K03/0418...

  • Page 7: Technical Information

    8. Technical Information Measuring range: 6-420 L/h Max. flow rate: 600 L/h Measuring accuracy: ± 1.0% of reading ± 2.5% of reading Repeatability: ± 0.2% Standard viscosity range: 5-100 mm Process temperature: max. 80 °C Ambient temperature: -10 to +60 °C Max.

  • Page 8: Order Codes

    Frequency output with frequency divider (...F3X0) Power supply: 24 VDC ± 20% Supply current: 15 mA Pulse output: PNP, open collector, max. 25 mA Electr. connection: plug connector M12x1 Division factor: 1:2, 1:4 or customer request Analogue output (...L303; ...L343) Power supply: 24 V ±20%...

  • Page 9: Dimensions

    Plug-on display for model DRZ...0000 (OEM version, NPN- and DIN connector) Description Order No. 4-digit LED, Plug connector DIN 43 650 Input: pulses of DRZ AUF-4000 Output: 4 - 20 mA, 3-wire Load: max. 250  Accessories Round plug Model Description ZUB-KAB-12D500 Round plug M12 x 1 socket with screw clamps, 5 pins...
  • Page 10 page 10 DRZ K03/0418...
  • Page 11 DRZ K03/0418 page 11...

  • Page 12: Pressure Loss Diagram

    11. Pressure Loss Diagram page 12 DRZ K03/0418...

  • Page 13: Eu Declaration Of Conformance

    12. EU Declaration of Conformance We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Piston Flow Meters Model: DRZ to which this declaration relates is in conformity with the standards noted below: EN 61000-6-3:2011 Electromagnetic compatibility (EMC) - Part 6-3: Generic standards - Emission...

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