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bürkert
 

    Flowmeter for water continuous measurement

    Type 8081 / Ident No. 560620

    Produkt-Foto Typ 8081

    The depiction of the products may differ from the actual specific design.

    • Produkt-Foto Typ 8081
    • Produkt-Foto Typ 8081
    • Massbild
    • Massbild
    • Massbild
    • Massbild

    Flow sensor without display

    • Ultrasonic flowmeter using transit time method
    • Dynamic range ≥ 1:250
    • Low pressure drop
    • No flow-settling section necessary in the inlet and/or outlet

    For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

    Product description

    The Type 8081 ultrasonic flowmeter is intended for the measurement of water flows which may be slightly charged with contaminants. It consists of an electronic module and a brass fitting with a built-in measuring tube. It enables a control loop to be established. The electrical connection is made via a 5 pin M12 fixed connector. The flowmeter features, depending on the version: - a pulse output or - a pulse output and a 4…20 mA current output. Each version is available for 5 flow ranges: - model QN 0.6 DN15: 0.06 to 20 l/min (nominal flow rate 0.6 m3/h namely 10 l/min) - model QN 1.5 DN15: 0.1 to 50 l/min (nominal flow rate 1.5 m3/h namely 25 l/min) - model QN 2.5 DN20: 0.16 to 82 l/min (nominal flow rate 2.5 m3/h namely 41 l/min) - model QN 3.5 DN25: 0.6 to 116 l/min (nominal flow rate 3.5 m3/h namely 58 l/min) - model QN 6.0 DN25: 1 to 200 l/min (nominal flow rate 6.0 m3/h namely 100 l/min)


    Commodity Codes
    90261021
    Country
    FR

    Technical attributes

    Name
    Value
    Unit
    Type 8081
    Product sub-group Flow rate
    Flow rate (volume) Yes
    Concentration No
    Continuous measurement Yes
    Dosing No
    Switch Yes
    Construction device Compact
    Display type no display
    Protection class measurement device (IP) 65
    DC voltage min. 12 V
    DC voltage max. 36 V
    Battery voltage No
    Operating supply type 3 conductor
    Precision of volume flow rate in relation to reading 1 %
    Temperature environment min 5 °C
    Temperature environment max 55 °C
    Temperature medium min 5 °C
    Temperature medium max 90 °C
    Pressure Class (PN) PN 16
    Dynamic viscosity min. 0 cP
    Dynamic viscosity max. 10 cP
    Min measured value of volume flow rate 0.6
    Max measured value of volume flow rate 116
    Measured value unit l/min
    Detection of flow direction Yes
    Sensor type Ultrasound
    Cable plug in delivery not included
    Electrical connection 1 type Plug - M12
    Electrical connection 1 quantity 1 PCE
    Electrical connection 1 number of contacts 5 PCE
    Electrical connection 1 gender male
    Electrical connection 1 material category Plastics
    Electrical connection 1 material PA (Polyamide)
    Electrical connection 1 seal material EPDM (Ethylene-propylene-diene rubber)
    Output type analog quantity 1 PCE
    Output analogue current functioning principle source Yes
    Output analogue current functioning principle drain No
    Output type analog sinus No
    Output type current modulated according to NAMUR No
    Output 1 type analog current 4-20 mA
    Output 1 digital type Transistor
    Output 1 digital version NC No
    Output 1 digital version NO No
    Output 1 digital transistor connection NPN No
    Output 1 digital transistor connection PNP Yes
    Digital output 1 transistor contactless 0.7 A
    Electronics body material category Plastics
    Electronics body material PPS (Polyphenylene sulphide)
    Cover material PPS (Polyphenylene sulphide)
    Seal housing/cover material Silicone
    Screw material Stainless steel
    Electronics body encapsulated Resin
    Parametrisation local No
    Parametrisation separate No
    Parametrisation fixed Yes
    Diameter measuring tube (DN) 25 mm
    Fluidic port connection number 2
    Port connection 1 type Outer thread
    Port connection 1 thread type NPT
    Port connection 1 thread marking 1 1/4
    Port connection 2 type Outer thread
    Port connection 2 thread type NPT
    Port connection 2 thread marking 1 1/4
    Port connection material category Metals
    Port connection material Brass
    Measuring pipe material PES (Polyethersulfone)
    Medium-contacting parts seal material EPDM (Ethylene-propylene-diene rubber)
    Installation length 260 mm
    Weight 1,390000 kg
    Show full table Collapse table

    Downloads

    Data Sheets

    Description
    Filesize
    Language / Country
    DTS Type 8081 data sheet | Ultrasonic flowmeter without display 713 kB EN / EU
    DTS Typ 8081 Datenblatt | Ultraschall-Durchflussmessgerät für Wasser 714 kB DE / DE
    DTS Type 8081 fiche technique | Débitmètre à ultrasons pour l'eau 709.7 kB FR / FR

    User Manuals

    Description
    Filesize
    Language / Country
    MAN Operating Instructions Type 8081 | Ultrasonic flowmeter without display 1.7 MB EN,FR,DE / EU

    EU Declaration

    Description
    Filesize
    Language / Country
    ABD EU-DoC|EU Declaration 767.6 kB ML

    Interactive Animation

    Description
    Filesize
    Language / Country
    3D_ANIMATION 3D-Animation - 8081 3.8 MB DE
    3D_ANIMATION 3D-Animation - 8081 3.7 MB EN
    Position
    Article Number
    Description
    438680 Plug M12 5 positions 2m screened
    917116 flange sleeve M12 5pl, screwed cont.

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