MA403 Series IoT Smart Water Meter

Accurate

ü  Wide rangeability up to R160

ü  Multi–jet velocity

Smart

ü  Dual mode communication between WAN and LAN

ü  IOT technology over DLMS

ü  Prepaid or post pay

ü  Events and alarms

ü  Data reading by immediately, hourly, daily

ü  Upgrade with FOTA

Secure

ü  AES128-GCM with DLMS

ü  Physical security

ü  Hardware Random

Reliable

ü  Touch button

ü  Over 10 years lifetime

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 10

Power supply

19Ah 3.6 VDC lithium-batteries

Communication

Optical, NBIOT/LoRaWAN/Sigfox

Data storage

Events and consumption values

Measurement

Class 2, Q3/Q1≤160, DN15/20/25

IP protection

IP68

 

User Interface

Display indication LCD, 9-digit

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

Menu(user interface)

Positive volume consumption - Internal RTC Date - Internal RTC Time – reverse volume consumption – Credit value - Reserve emergency credit and extra time - Current Tariff and Tariff No. - Status word and battery

Menu(utility interface)

Positive water volume consumption with high precision - Reverse water volume consumption with high precision - Internal RTC date - Internal RTC Time -  Legally relevant software version - Air temperature - Hardware version - Software version - Status word and battery voltage

 

Communication Overview

Optical

Port baud rate 9600bps

wMBUS

868, 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

 

Events and Alarms

Overflow detection

>1.2Qmax

1 minutes

Leakage detection

1L/hour             

1 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 reverse detection                    

Detected

3 days

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