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    • KARAT-523 Ultrasonic compact water meters with integrated LoRaWAN standard interface

    KARAT-523 Ultrasonic compact water meters with integrated LoRaWAN standard interface

    •  KARAT-523 Ultrasonic compact water meters with integrated LoRaWAN standard interface

    Next generation smart metering:

    • Proven ultrasonic technology;
    • Composite monolithic construction;
    • High accuracy and reliability of measurements;
    • Automatic connection to free LoRaWAN service.
    More

    Characteristics

    KARAT-523 is the water meter employs the highly accurate ultrasonic technology. Every drop is measured due to the dynamic range of 250:1 reducing loss. Contrary to mechanical water meters Karat-523 has no moving parts, is magnet-resistant and maintains its pinpoint accuracy throughout its entire lifetime.

    KARAT-523 is comes with option of being read remotely using LoRaWAN or M-Bus. KARAT -523 is equipped by communication module that allows for safe and easy remote reading without any add-on devices.

    Water meter is made of eco-friendly and durable materials approved for drinking water.


    Technical data

    Temperature range (2 in 1, for cold and hot water) 0 °C…70 °C
    Ambient temperature 5…50 °C (indoors). Max. 30 °C for optimum battery lifetime
    Protection class IP 65
    Ambient temperature 5…50 °C
    Environmental class Indoors (closed position), non-condensing
    Medium temperatures 0…70 °C
    Medium in flow sensor water
    Storage temperature 0…50 °C
    Pressure stage PN16
    Weight 0.6 kg
    Meter types Q₃ 1.6 m³/h, 2.5 m³/h
    Type name Nominal flow,
    m³/h [Q3]
    Maximum flow,
    m³/h [Q4 ]
    Minimum flow,
    l/h [Q1]
    Min. cut-off, l/h Threaded connection
    on meter
    Length
    523-15-1.6-IP-3I 1.6 2 6 3 G¾ 110
    523-15-1.6-IP-3I-М-Bus 1.6 2 6 3 G¾ 110
    523-15-1.6-IP-3I-LW 1.6 2 6 3 G¾ 110
    523-15-1.6-OP-3I 1.6 2 6 3 G¾ 110
    523-15-1.6-OP-3I-М-Bus 1.6 2 6 3 G¾ 110
    523-15-1.6-OP-3I-LW 1.6 2 6 3 G¾ 110
    523-20-2.5-IP-3I 2.5 3.1 10 5 G1 130
    523-20-2.5-IP-3I-М-Bus 2.5 3.1 10 5 G1 130
    523-20-2.5-IP-3I-LW 2.5 3.1 10 5 G1 130
    523-20-2.5-OP-3I 2.5 3.1 10 5 G1 130
    523-20-2.5-OP-3I-М-Bus 2.5 3.1 10 5 G1 130
    523-20-2.5-OP-3I-LW 2.5 3.1 10 5 G1 130

    Electrical data

    Calculator data
    Data logger 1440 hours, 460 days, 144 months, 256 events
    Display LCD – 8 digits
    Measurement accuracy: Fulfills OIML R49 Class 2
    Data communication
    Optical communication IRDA (standard) Modbus RTU protocol,
    communication speed is 57600 Baud
    M-Bus (option) M-Bus protocols,
    communication speed is 2400 Baud
    LoRaWAN 868 MHz (option) LoRaWAN protocol,
    communication speed from 300 to 50000 baud.
    Battery
    Lithium cell 3.6 VDC
    Battery lifetime 6/11 years*
    *Frequent data communication and high ambient temperature reduce the battery lifetime. Extended battery is supplied optionally.

    Material

    Flow sensor case CW617N brass
    Calculator case ABS; РС; PPS, 65% Mineral / Glass Reinforced; TPE; POM
    Cables PVC

    Modification
    KARAT -523 -XX -XX -XX

    Type 223
    Connection
    DN15 (G¾) 15
    DN20 (G1) 20
    Flow sensor
    1.5 m³/h 1.5
    2.5 m³/h 2.5
    Communication
    No communication option -
    M-Bus M-Bus
    LoRaWAN LW
    Pulse output Pulse

    Price

    Name DN Description Price, €
    Water meter КАRАТ-523 15 Qn=1,6m³/h; Tmax = 70ºC 61.7
    Water meter КАRАТ-523 20 Qn=2,5m³/h; Tmax = 70ºC 63.8
    Water meter КАRАТ-523 15 Qn=1,6m³/h; Tmax =70ºC; with pulse output 67.4
    Water meter КАRАТ-523 20 Qn=2,5m³/h; Tmax =70ºC; with pulse output 69.5
    Water meter КАRАТ-523 15 Qn=1,6m³/h; Tmax =70ºC; LoRaWAN 72.1
    Water meter КАRАТ-523 20 Qn=2,5m³/h; Tmax =70ºC; LoRaWAN 74.2

    OEM
    • We offer the following metering instruments
      under KARAT trademark
    • We offer the following metering instruments
      under YOUR trademark

    Back to list
    • Smart meters
    • Apartment-level heat meter
    • Apartment-level water meter
    • Heat energy calculators
    • Flowmeter
    • Communication equipment

    KARAT FACTORY offers IoT-solutions customized for utility market.

    We introduce smart meters, technologies for integration of the LoRaWAN standard interface, as well as web-services for operation in digital networks.

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