Kobold Heinrichs K12 Operating Instructions Manual

Kobold Heinrichs K12 Operating Instructions Manual

Variable-area flowmeter
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K12
Variable-Area Flowmeter
Operating Instructions
Betriebsanleitung bitte durchlesen und an einem sicheren Ort aufbewahren!
Operating Manual K12
Heinrichs Messtechnik GmbH
January 2021

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Summary of Contents for Kobold Heinrichs K12

  • Page 1 Variable-Area Flowmeter Operating Instructions Betriebsanleitung bitte durchlesen und an einem sicheren Ort aufbewahren! Operating Manual K12 Heinrichs Messtechnik GmbH January 2021...
  • Page 2: Table Of Contents

    Heinrichs Messtechnik GmbH Contents IDENTIFICATION ............................4 APPLICATIONS ............................5 K12 ............................... 5 K12-..V / N differential pressure regulator ..................5 OPERATIONAL MODE AND SYSTEM DESIGN K12 ................. 6 K12 system design ..........................6 Measuring principle for K12-…V / N ....................6 K12-..V / N system design .........................
  • Page 3 Heinrichs Messtechnik GmbH CONSTRUCTION DETAILS ........................13 Construction/dimensions K12 ....................... 13 Design / Dimensions / Commissioning V / N (option diff. pressure regulator) ......14 8.2.1 Dimension K12-...V as regulator c/w constant inlet pressure .............. 14 8.2.2 Dimension K12-…N as regulator c/w constant outlet pressure ............15 Weights ............................
  • Page 4: Identification

    Heinrichs Messtechnik GmbH Identification Manufacturer: Heinrichs Messtechnik GmbH Robert-Perthel-Str. 9  D-50739 Cologne Germany Phone: +49 221 49708-0 Fax: +49 221 49708-178 Internet: www.heinrichs.eu E-Mail: info@heinrichs.eu Product type: Miniature flow meter based on the variable area flow meter principle. Product designation: K12 Mounting length 125 mm File name: K12_BA_21.01_EN.DOC...
  • Page 5: Applications

    Heinrichs Messtechnik GmbH Applications The flow meter is suitable for the measurement of the flow of liquid and gaseous products in pipes. It displays the current flow in volume or mass per unit time. Applications: Measuring the flow of liquid and gaseous products in pipes as well as dosing, superimposing, monitoring, regulating and the controlling of them.
  • Page 6: Operational Mode And System Design K12

    Heinrichs Messtechnik GmbH Operational mode and system design K12 Float principle: The product flows vertically through the meter from the bottom to the top. The height of the float in the measuring tube is a measure of the flow quantity. The float is in equilibrium between the buoyant force of the flowing medium and the counteracting force of gravity on the float.
  • Page 7: Input

    Heinrichs Messtechnik GmbH Input Measured variable Volume flow Measuring ranges (lower-range and upper-range values) Measuring span water 20 °: Smallest measuring range: 0.02-0.25 l/h water Largest measuring range: 16-160 l/h water Measuring span air 20 °C, 1.013 bar abs. Smallest measuring range: 0.5-5.0 Nl/h air Largest measuring range: 500-5000 Nl/h air Measuring /regulating range for K12-..V / N Span: 10-100 %...
  • Page 8: Electrical Output (Option)

    Heinrichs Messtechnik GmbH Electrical output (option) 1 or 2 inductive limit switches, mono- or bistable Ad-on limit switches Type RC 10/15-14-XX, Manufacturer Pepperl & Fuchs Monostable Type RC 10/15-14-N0 Bistable Type RC 10/15-14-N3 Ex-Marking PTB 99 ATEX 2128 X, II 2G Ex ia IIC T6 Gb Ad-on limit switches Type N7R**A, Manufacturer ifm electronic Monostable Type...
  • Page 9: Measuring Accuracy

    Heinrichs Messtechnik GmbH Measuring accuracy Reference conditions Water 20 °C (air 20°C ; 1.013 bar abs.) Measured error (Liquid/Gas): K12  2.5 % qG=50 % acc. VDE/VDI 3513 page 2 V / N (option diff.pressure regulator): Measurement error / regulator deviation  3 % /  5 % of full-scale within 10-100 % of range Repeatability (Liquid/Gas) ...
  • Page 10: Conditions Of Use

    Heinrichs Messtechnik GmbH Conditions of use The VDI/VDE guidelines must be observed. The devices can be used for: liquid products that are sufficiently free-flowing, are free of solids, do not bond or do not tend to settle. gases with linear flow behaviour and an adequate inlet pressure. V/N (optional differential pressure regulator) The minimum differential inlet and outlet pressures must amount to 350 mbar.
  • Page 11: Mounting And Commissioning

    Heinrichs Messtechnik GmbH 7.1.4 Mounting and commissioning When installing and commissioning the flowmeter, the following points must be observed: a) The variable-area flow meter must be installed perpendicularly (bottom-up direction of flow). b) Take special care to install glass-tube devices free from strain. c) The size of the product line to be connected must be identical to the size of the device connection.
  • Page 12: Fluid Conditions

    Heinrichs Messtechnik GmbH Fluid conditions 7.3.1 Fluid temperature ranges without limit switch -20 °C to + 100 °C with limit switch -20 °C to + 70 °C Risk of breakage due to frost 7.3.2 Fluid pressure limit Max. 16 bar (20 °C) Important: All pressure values are for non-hazardous liquids and for devices installed free from strain.
  • Page 13: Construction Details

    Heinrichs Messtechnik GmbH Construction details Construction/dimensions K12 The meter consists of a conical measuring tube made of borosilicate glass, with a vertical movable float made of stainless steel or glass glass (optionally, for types K12-L/E, the float may be made of aluminium).
  • Page 14: Design / Dimensions / Commissioning V / N (Option Diff. Pressure Regulator)

    Heinrichs Messtechnik GmbH Design / Dimensions / Commissioning V / N (option diff. pressure regulator) Differential pressure regulators are used to achieve constant flow values at variable inlet and outlet pressures. Caution! Differential pressure regulators are not pressure reduction valves The measuring device consists of a variable area flowmeter with control valve and mounted differential pressure regulator.
  • Page 15: Dimension K12

    Heinrichs Messtechnik GmbH 8.2.2 Dimension K12-…N as regulator c/w constant outlet pressure Weights 0.46 kg K12-…V/N 0.80 kg Materials Fitting, connections, setting valve: 1.4404 (SS316L) / 1.4571 (SS316 TI), Float: 1.4401 (SS304) Seals measuring tube: viton, FFKM (option) Valve: PTFE, Hose-fittings: V/N (option differential pressure regulator) Regulator/control pipes:...
  • Page 16: Electrical Connection For Limit Transducer Option

    Heinrichs Messtechnik GmbH Electrical connection for limit transducer option with cable end length of 2 m The limit switch (ring form) can be adjusted alongside of the measuring tube. It is fixed via two screws (1) at the back wall of the unit. Adjusting of the contact: -unscrew the fixing screw (1) -move contact (2) to bottom or top...
  • Page 17: Use In Hazardous Areas

    Heinrichs Messtechnik GmbH 11 Use in hazardous areas Only devices with Ex-markings may be operated within areas with potentially explosive atmospheres. Ambient temp. Process-Temp. Marking Zone Description -20 °C ...+70 °C -25 °C ...+70 °C II 2G Ex h IIC T6 Gb With built-in switch, II 2D Ex h IIIC T85°C Db observe the type...
  • Page 18: Mechanical Strength

    Heinrichs Messtechnik GmbH If grounding cannot be guaranteed via the process connections (e.g. plastic process connections), the flow meter must be connected to the local ground potential via the flanges. This connection only ensures electrostatic grounding of the device and does not meet the requirements for equipotential bonding.
  • Page 19: Ce Mark

    Heinrichs Messtechnik GmbH 12 CE mark The measuring system meets the statutory requirements of the following EU directives: 2014/34/EU (ATEX) Equipment for Use in Potentially Explosive Atmospheres  2014/30/EU (EMC) Electromagnetic Compatibility.  With respect to the Pressure Equipment Directive 2014/68/EU, the devices fall within the scope of application of Article 4, Paragraph 3, and therefore requires no CE marking in accordance with this directive.
  • Page 20: Safety Instructions

    Heinrichs Messtechnik GmbH 16 Safety instructions 16.1 Intended use The K12 variable-area flowmeter may be used only for flow measurements of fluid and gaseous media. The manufacturer shall not be liable for damage that may result from improper or unintended use. When dealing with an aggressive medium, the material durability of all wetted parts is to be clarified.
  • Page 21: Maintenance

    Heinrichs Messtechnik GmbH 18 Maintenance If you use the meter in the intended manner no special maintenance is required. However, the variable area flow meter should be checked in the context of the routine maintenance of the facility and the pipelines.
  • Page 22: Abbildungen Des Aus- / Einbaus

    Heinrichs Messtechnik GmbH 18.1.3 Abbildungen des Aus- / Einbaus Clamping ring Attention! The shaft packing of the valve must be readjusted during the life cycle. This requires tightening of the thrust piece (1) Loosen grub screw (2) M4x8 with hexagon 2mm and remove valve knob (3).
  • Page 23: Returning Devices For Repair And Service

    Heinrichs Messtechnik GmbH 19 Returning devices for repair and service Note: In accordance with the applicable waste disposal legislation, the owner/client is responsible for the disposal of special waste and hazardous materials. Consequently, all devices sent to Heinrichs Messtechnik for repair must be free of any hazardous materials. This also applies to possible cavities and fissures in the devices.
  • Page 24: Decontamination Certificate For Device Cleaning

    Heinrichs Messtechnik GmbH 20 Decontamination certificate for device cleaning Company name: ................Address: ..................Department: ................Contact person: ............... Phone: ................... The enclosed variable-area flowmeter, Model ..........................was operated using the following fluid: ............................................In as much as this fluid is water-hazardous / toxic / corrosive / combustible / a health hazard / environmentally hazardous we have performed the following steps: ...
  • Page 25: Model Code

    Air (Nl/h) 50-500 Air (Nl/h) 80-800 Air (Nl/h) 100-1000 Air (Nl/h) 180-1800 Labeling Air (Nl/h) 240-2400 Heinrichs Air (Nl/h) 300-3000 Kobold Air (Nl/h) 400-4000 neutral Air (Nl/h) 500-5000 Special 0,25-2,5 Marking O: (l/h) 0,5-5 O: (l/h) 1,2-12 st.st. plate 40x20mm...
  • Page 26: Declaration Of Conformity

    Heinrichs Messtechnik GmbH 22 Declaration of Conformity Page 26 Operating Manual K12...
  • Page 27 Heinrichs Messtechnik GmbH Operating Manual K12 Page 27...
  • Page 28 Heinrichs Messtechnik GmbH Page 28 Operating Manual K12...

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