MA408 Series IOT Ultrasonic Water Meter

Accurate

ü  Wide rangeability >R250

ü  Low start flows 1L/h

Smart

ü  Dual mode with LAN/WAN

ü  IOT technology over DLMS

ü  Prepaid or post pay

ü  Events and alarms

ü  Data reading by immediately, hourly, daily

ü  Valve management remotely

ü  Upgrade with FOTA

Secure

ü  AES128-GCM with DLMS

ü  Physical security

ü  Hardware Random

Reliable

ü  No moving parts

ü  Over 10 years lifetime

ü  High Temperature up to T50(Cold water)

ü  Insensitive to scale and sand

ü  Brass material

Main Features
Technical Specifications

General Performance

Medium temperature range

°C

0.1 ... 30

Ambient operating temperature

°C

0.1 ... 70

Ambient storage temperature

°C

-20 ... +70

Nominal pressure

PN bar 16

Power supply

19Ah 3.6 VDC lithium-batteries

Communication

Optical, NBIOT/LoRaWAN/Sigfox

Data storage

Events and consumption values

Measurement

Class 2, Q3/Q1≥250, DN15/2020/25

IP protection

IP68

 

User Interface

Display indication LCD, 9-digit

Units DN 15 - DN 25 Flow and volume (m3 + 3 digits)

Menu

Positive water volume- Internal RTC time HH:MM: SS - Volume2- Reverse water

volume - Credit value- Reserve emergency credit and extra time - Current Tariff

and Tariff No.- Status word and battery voltage- Meter serial number- wMBus

status indicator

 

Communication Overview

Optical

Port baud rate 9600bps

wMBUS

868/915/923, EN13757, Open Metering Standard, optional

Sigfox

RC1/2/4, SigFox IOT network, optional

LoRaWAN

868Mhz, 16dbm, LoRaWAN network, optional

NBIOT

B3/B5/B8/B20/B28

Antenna

Dual Band (Embedded Structure type)

 

Events and Alarms

Overflow detection

>1.2Qmax

10 seconds

Leakage detection

>5L/hour

24 hour

Opening cover detection

Detected

1 second

Absence of water detection

Detected

1 minute

Low battery detection

<18%

3 second

Valve malfunction detection

Detected

1 minute

Water return detection

Detected

1 minute

Meter stop detection

Detected

10 days

Valve malfunction

Detected

1 minute

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