* 3 x 4…20 mA, HART®,Modbus, FF, Profibus-PA/DP, PROFINET" /> * 3 x 4…20 mA, HART®,Modbus, FF, Profibus-PA/DP, PROFINET"> * 3 x 4…20 mA, HART®,Modbus, FF, Profibus-PA/DP, PROFINET" /> * 3 x 4…20 mA, HART®,Modbus, FF, Profibus-PA/DP, PROFINET">

  • Overview

    The OPTIFLUX 4300 is an electromagnetic flowmeter (EMF) for advanced process applications with aggressive liquids or abrasive media. The high-end flowmeter is particularly suitable for critical applications requiring high accuracy and many diagnostic functions. It enables reliable measurement even under very harsh process conditions with temperatures up to +180°C / +356°F, low conductivities (≥1 µS/cm), high solid contents (up to 70%) and high pressures (up to 1500 bar / 21751 psi). For custody transfer applications, the OPTIFLUX 4300 has a wide range of certifications including OIML R49 and R117 or MI-001 and MI-005. It can also be used for flow measurement in district heating networks requiring MI-004 approval.

    Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

    • Bi-directional flow measurement over a wide dynamic range (turn down ratio: 1000:1)
    • Available with patented virtual reference grounding method: no grounding rings needed
    • Extensive flowmeter and process diagnostics (incl. NE 107)
    • For hazardous areas: ATEX, IECEx, NEPSI, FM, CSA, EAC, INMETRO
    • Standard measurement accuracy: ±0.2% or ±1mm/s of measured value (MV)
    • For custody transfer: OIML R49, OIML R-117; MI-001, MI-004, MI-005
    • PTFE, PFA, ETFE, hard rubber, soft rubber or PU liner: excellent chemical and abrasion resistance
    • Wide range of electrode materials
    • Special designs, sizes, inner diameters and liner thicknesses on request
    • Optional external coatings for offshore or subsoil installation (also acc. to ISO 12944)
    • Full bore design: No moving parts, no wear, no pressure loss
    • On-site verification of flowmeter with OPTICHECK service tool



  • Depending on selected device configuration

    General information

    Product typeFlowmeter
    Product family nameOPTIFLUX
    Product positioningFor advanced process and custody transfer (CT) applications
    Measurement principleElectromagnetic
    Measured mediaLiquids

    Operating conditions

    Process pressuremax. 40 barg/
    580 psig
    Process temperature-40…+180°C/
    -40…+356°F

    Materials

    LinerPerfluoroalkoxy alkane (PFA), Polytetrafluoroethylene (PTFE), Polyuretane (PUR), Hard rubber, Ethylene tetrafluoroethylene (ETFE)

    Process connections

    Flange connectionsEN (1092-1): DN2.5…3000
    ASME (B 16.5): ⅒…120"
    JIS (B 2220): 2.5…1000A
    Pressure rating (EN 1092-1)PN40
    Pressure rating (JIS B 2220)20k
    Pressure rating (ASME B 16.5)Cl 300#, Cl 600#

    Approvals/Standards

    Certificates/Approvals ExATEX, cQPSus, IECEx, NEPSI, EAC Ex, INMETRO, FM, CSA, KCs, PESO, IA
    Certificates/Approvals HygienicFDA
    Certificates/Approvals MarineABS, BV, CCS, DNV, KR, LR, NK, RINA, CRS, IRS, PRS, RS

    Communication

    Analogue outputs4…20 mA
    Discrete outputsLimit switches, Pulse, Frequency, Status
    Digital outputsFOUNDATION™ fieldbus, HART®, Profibus-PA, Profibus-DP, Modbus RTU, PROFINET

KROHNE OPTIFLUX 4300 Electromagnetic flowmeter
Electromagnetic flowmeter for advanced process and custody transfer (CT) applications
* High accuracy (±0.2%), certified for custody transfer
* For low conductivity media (>1 μS/cm) and high solid contents (≤70%)
* Flange: DN2.5…3000 / ⅒…120", max. PN40 / ASME Cl 600
* 3 x 4…20 mA, HART®,Modbus, FF, Profibus-PA/DP, PROFINET
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