SHARKY 774

SHARKY 774

COMPACT ENERGY METER- ULTRASONIC

Application

The ultrasonic compact energy meter can be used for measuring the energy consumption in heating application for billing purposes.

Features

  • Approval for ultrasonic meter with dynamic range of 1:100 (qi:qp) in class 2
  • Improved power consumption, longer battery lifetime
  • High long term stability, tested and verified at independent AGFW test
  • Insensitive against dirt
  • Extensive readable data memory
  • M-Bus communication or 434 MHz integrated radio
  • General
    ApplicationHeating
    ApprovalCMC / CPA class 2
    Mounting position flow sensorAny position
    Protection classIP 65
    SupplyBattery 3.6 VDC, up to 12 years lifetime
    Temperature sensor typePt 500 with 2-wire leads; Φ 5.2mm
    Temperature range medium°C5 ... 105
    Cable length of temperature sensorm1.5 / 3 / 5 / 10
    Volume measuring cycles2
    Test possibilitiesVia display, optical test pulses, communication test
  • Calculator-Basic features
    Environmental classClass C
    Ambient operating temperature°C5 ... 55
    Ambient storage temperature°C-25 ... +60 (>35°, max. 4 weeks)
    M-Bus interfaceAccording to EN13757-3, GB/T26831, cable length 1.5 m
    Radio interfaceOptional, 434 MHz
    Optical interfaceZVEI standard
    Extensive readable data memoryHistory log; event memory
  • Display
    Display indicationLCD, 8-digits
    UnitskWh (MWh, GJ)
    Total values99,999,999 (9,999,999.9 - 999,999.99 - 99,999.999)
    Values displayedEnergy - Power - Volume - Flow rate - Temperature and more
  • Interface
    M-BusAccording to EN 13757-3, GB/T 26831 for data reading and parametrization, auto baud detect (300 and 2400 baud)
    RadioOpen Meter Standard (OMS), according to EN13757-4, GB/T 26831
  • Temperature input
    Measuring cycleTs16
    Starting temperature differenceΔΘK0.125
    Min. temperature differenceΔΘminK3
    Max. temperature differenceΔΘmaxK102
    Temperature range calculatorΘ°C1 ... 130
  • Technical data flow sensor
    Nominal flow rateqpm3/h1.52.53.53.56610
    Nominal diameterDNmm15252532253240
    Overall lengthLmm110130260260260260300
    Starting flow ratel/h2.54777720
    Minimum flow rateqil/h152535356060100
    Maximum flow rateqsm3/h3577121220
    Overload flow ratem3/h4.66.718.418.418.418.424
    Operating pressurePNbar16161616161616
    Pressure loss at qpΔpmbar75100444412812895
    Temp. range heating°C5...1055 ... 1055 ... 1055 ... 1055 ... 1055 ... 1055 ... 105
  • Dimensions thread version
    SHARKY 774 SHARKY 774
    SHARKY 774 SHARKY 774
    Nominal flow rateqpm3/h1.52.53.53.56610
    Nominal diameterDNmm15252532253240
    Overall lengthLmm110130260260260260300
    Overall length with couplingL2mm190250380380380380440
    Length of calculatorL1mm90909090909090
    HeightHmm14.5232323232333
    HeightH1mm555862.562.562.562.568
    Height of calculatorH2mm27272727272727
    Height of calculatorH3mm40404040404040
    Width of calculatorBmm135135135135135135135
    Connection thread on meterInchG3/4BG5/4BG5/4BG3/2BG5/4BG3/2BG2B
    Connection thread of couplingInchR1/2R1R1R5/4R1R5/4R3/2
    Weightkg0.700.881.531.531.531.533.13
  • Pressure loss graph/typical errorgraph
    SHARKY 774 SHARKY 774
    SHARKY 774 SHARKY 774

  • Pressure loss graph/typical errorgraph

  • Pressure loss graph/typical errorgraph

  • Pressure loss graph/typical errorgraph

  • Pressure loss graph/typical errorgraph

  • Pressure loss graph/typical errorgraph

  • Pressure loss graph/typical errorgraph

  • Pressure loss graph/typical errorgraph