SHARKY 775

SHARKY 775

COMPACT ENERGY METER | ULTRASONIC

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

  • Approval for ultrasonic meter with dynamic range up to 1:250 (qi:qp) in class 2 (depends on meter size), standard 1:100
  • Improved power consumption --> longer battery lifetime
  • Approved according MID in class 2 and 3 and PTB K 7.2 (cooling)
  • High long term stability, verified at independent AGFW test
  • Insensitive against dirt
  • Versatile possibility of power supply
  • Optional with integrated radio Open Metering Standard (868 or 434 MHz) Generation 3 Profile A or Generation 4 Profile B
  • Individual remote reading (AMR) with add on modules Plug & Play
  • Extensive readable data memory
  • 3 communication interfaces (e. g. M-Bus + M-Bus + Radio)
  • Significantly improved radio performance
  • Leakage Detection
  • Basic features
    ApplicationHeating - cooling - heating/with cooling tariff (cooling tariff at -dT and tflow <20 °C)
    ApprovalMID (DE-10-MI004-PTB013) and PTB K7.2 for cooling (DE-16-M-PTB-0001)
    Environmental classClass C
    Ambient classClass E2 + M2
    Ambient operating temperature°C+5 ... +55 (<35 °C have a positive lifetime effect)
    Ambient storage temperature°C-25 ... +60 (>35 °C max. 4 weeks)
    Communication3 communication interfaces (e. g. M-Bus + M-Bus + Int. Radio; 2 primary adresses, 1 secondary adress)
    Integrated RadioOptional
    Frequency band868 or 434 MHz
    Type of radio telegramOpen Metering Standard (OMS), Generation 3 Profile A or Generation 4 Profile B
    Transmission data updatingOnline - no time delay between value measurement and data transmission
    Data transmissionUnidirectional
    Sending intervalWith A-cell: 180 s (up to 10.5 years lifetime); with D-cell: ~12 s (up to 16 years lifetime); with mains unit: ~12 s; depending on length of telegram (duty cycle)
    Test possibilitiesVia display, optical test pulses, test output or via NOWA software
  • Basic features - Calculator
    Protection classIP 54
    Battery supply3.6 VDC A-cell up to 10.5 years lifetime (depending on configuration); 3.6 VDC D-cell up to 16 years lifetime
    Mains supply24 VAC (50 - 60 Hz); 230 VAC (50 - 60 Hz)
    Temperature sensor typePt 100 or Pt 500 with 2-wire leads; Ø 5.2 / 6 mm or direct sensor
    Cable length of temperature sensorPt 100: 1.9 m; Pt 500: 1.9 / 2.9 / 4.9 / 9.9 m
    Absolute temperature range calculatorΘ°C1 ... 180
    Measuring cycle - flowWith mains supply: ⅛ s; with A-cell battery: 1 s; with D-cell battery: 1 s
    Measuring cycle - temperature sensorTsWith mains supply: 2 s; with A-cell battery: 16 s; with D-cell battery: 4 s
    Starting temperature differenceΔΘK0.125
    Min. temperature differenceΔΘminK3
    Max. temperature differenceΔΘmaxK120 / 175 (heating) | 50 (cooling)
    Interfaces standardOptical ZVEI interface
    Interfaces optional2 Slots for modules with M-Bus, L-Bus, LON works, LoRa, MOD Bus, RS232, RS485, pulse output, pulse input, combined pulse in-/output or analogue output
    Extensive readable data memoryPeriodical log1; 3 history logs; event memory
    1 Programmable storage interval (daily, weekly, monthly, ...)
  • Basic features - Flow sensor
    Mounting position flow sensorAny position, calming sections not necessary, inlet installation / outlet installation / in field programmable
    Protection class flow sensorHeating IP 54 | Heating with cooling tariff / cooling acc. IP 65
    Material of the flow sensor bodyBrass or spheroidal cast iron (only qp 15 up to qp 100 m³/h)
    Temperature range heating°C5 ... 105 / 130 / 150 (depends on meter size and material)
    Temperature range cooling°C5 ... 50
    Temperature range heating/cooling°C5 ... 105
  • Display
    Display indicationLCD, 8-digit
    UnitsMWh - kWh - GJ - Gcal - MBtu - gal - GPM - °C - °F - m³ - m³/h
    Total values99,999,999 - 9,999,999.9 - 999,999.99 - 99,999.999
    Values displayedEnergy - Power - Volume - Flow rate - Temperature and more
  • Interfaces
    OpticalZVEI interface, for communication and testing, M-Bus protocol
    M-BusConfigurable telegram, according to EN13757-3, two wires with non polarity, auto baud detect (300 and 2400 baud), one M-Bus load
    Wireless M-BusOpen Metering Standard (OMS), Generation 3 Profile A or Generation 4 Profile B; frequency band 868 or 434 MHz
    L-BusAdapter for external radio module, configurable telegram, according to EN13757-3, data reading and parametrization are via two wires with polarity reversal protection
    Modbus RTUPolarity independent, Voltage 12 - 24 V AC/DC, <150 mW; protocol - Modbus RTU, Channel - EIA-485 (galvanic isolated), Baud rate 1200 ... 115200. The default communication: 9600 bps Baud rate, 8N1 data format, Modbus Slave ID - 1
    LonWorksPolarity independent; Voltage 12 - 24 V AC/DC, <150 mW; Channel - TP/FT-10, Baud rate - 78 kbits per second, Data format - Differential Manchester Coding
    LoRaFive different telegrams can be selected via OTC App (AppStore Android). Up to 11 years lifetime with own battery and the modern ECO Mode. Transmission interval varies with the connection quality.
    RS232Serial interface for communication with external devices, a special data cable is required, M-Bus protocol, 300 and 2400 baud
    RS485Serial interface for communication with external devices, power supply with 12 V ± 5 V, M-Bus protocol, 2400 baud
    Pulse outputModule with 2 Open Collector pulse outputs (potential-free), output 1: 4 Hz (pulse width 125 ms), pulse or static conditions (e.g. errors), output 2: 200 Hz (pulse width ≥ 5 ms), configurable via IZAR@MOBILE 2 software
    Pulse inputModule with 2 pulse inputs, max. 20 Hz, configurable via IZAR@MOBILE 2 software, data can be transferred remotely
    Combined pulse in-/outputModule with 2 pulse inputs and 1 pulse output, configurable via IZAR@MOBILE 2 software, needed for leak detection
    Analogue outputModule for 4 ... 20 mA with 2 programmable passive outputs, programmable value in case of error
  • Technical data flow sensor
    Nominal flow rateqpm3/h0.60.60.61.51.51.52.52.53.53.53.53.53.5666666101015254060100
    Nominal diameterDNmm152020152020202025252532322525253232404040506580100100
    Overall lengthLmm110130190110130190130190135150260150260135150260150260150200300270300300360360
    Starting flow ratel/h1112.52.52.54410101010101010101010102020405080120120
    Minimum flow rate (DR 1:250)qil/h---6661010-----2424242424-401401601100116024012401
    Minimum flow rate (DR 1:100)qil/h666151515252535353535356060606060601001001502504006001000
    Maximum flow rateqsm3/h1.21.21.233355777771212121212122020305080120120
    Overload flow ratem3/h2.52.52.54.64.64.66.76.718.418.418.418.418.418.418.418.418.418.418.42424366090132132
    Operating pressurePNbar16/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/2516/25
    Pressure loss at qpΔpmbar95858512075751001004444444444128128128128128190140140140758075210
    Temp. range heating - brass body°C5 ... 1305 ... 1305 ... 1305 ... 1305 ... 1305 ... 1305 ... 1305 ... 1305 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 1505 ... 150
    Temp. range heating - spheroidal cast iron body°C---------------------5 ... 1055 ... 1055 ... 1055 ... 1055 ... 105
    kv value (qp² (m³/h) = kv² x Δp (bar))1.952.062.064.335.485.487.917.9116.6916.6916.6916.6916.6916.7716.7716.7713.7616.7713.7626.7326.7340.0991.29141.42219.09218.22
    1 Only for horizontal installation
  • Dimensions thread version
    Nominal flow rateqpm3/h0.60.60.61.51.51.52.52.53.53.53.53.53.5666666101015254060100
    Nominal diameterDNmm152020152020202025252532322525253232404040506580100100
    Overall lengthLmm110130190110130190130190135150260150260135150260150260150200300270300300360360
    Overall length with couplingL2mm190230290190230290230290255270380270380255270380270380-340440-----
    Length of calculatorL1mm150150150150150150150150150150150150150150150150150150150150150-----
    HeightHmm14.5181814.51818181823232323232323232323233333-----
    HeightH1mm828484828484848488.588.588.588.588.588.588.588.588.588.588.59494-----
    Height of calculatorH2mm545454545454545454545454545454545454545454-----
    Width of calculatorBmm100100100100100100100100100100100100100100100100100100100100100-----
    Connection thread on meterInchG¾BG1BG1BG¾BG1BG1BG1BG1BG1¼BG1¼BG1¼BG1½BG1½BG1¼BG1¼BG1¼BG1½BG1½BG2BG2BG2B-----
    Connection thread of couplingInchR1R1R1R1¼R1¼R1R1R1R1¼R1¼R1½R1½R1½-----
    Weight1kg0.760.850.960.760.850.960.850.961.031.081.51.231.51.031.081.51.231.51.522.93.1-----
    1 Meter with A-cell, without modules, 1.4 m cable length, 1.9 m cable length of temperature sensor Ø 5.2 mm
  • Dimensions flange version
    Nominal flow rateqpm3/h0.60.60.61.51.51.52.52.53.53.53.53.53.5666666101015254060100
    Nominal diameterDNmm152020152020202025252532322525253232404040506580100100
    Overall lengthLmm110130190110130190130190135150260150260135150260150260150200300270300300360360
    Length of calculatorL1mm--150--150-150--150-150--150-150--150150150150150150
    HeightHmm--47.5--47.5-47.5--50-62.5--50-62.5--6973.58592.5108108
    HeightH1mm--84--84-84--88.5-88.5--88.5-88.5--9499106.5114119119
    Height of calculatorH2mm--54--54-54--54-54--54-54--545454545454
    Width of calculatorBmm--100--100-100--100-100--100-100--100100100100100100
    Flange dimensionFmm--95--95-95--100-125--100-125--138147170185216216
    Flange diameterDmm--105--105-105--114-139--114-139--148163184200235235
    Hole circle diameterKmm--75--75-75--85-100--85-100--1101251451601801/1901801/190
    Screwhole diameterD1mm--14--14-14--14-18--14-18--18181819191/22191/22
    Number of screwholespcs--4--4-4--4-4--4-4--448888
    Weight brass body2kg--2.75--2.75-2.75--3.5-4.8--3.5-4.8--6.47.08.910.916.416.4
    Weight spheroidal cast iron body2kg---------------------5.97.79.615.215.2
    1 Value for PN 16 housing
    2 Meter with A-cell, without modules, 1.4 m cable length, 1.9 m cable length of temperature sensor Ø 5.2 mm
  • Pressure loss graph / typical error graph
    Pressure loss graphTypical error graph