MA401 Series IoT Ultrasonic Water Meter
Accurate
ü Wide rangeability
ü Low start flow
Smart
ü Ultra-Pocket size
ü IOT technology over DLMS
ü Network parameter configuration visualization
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 No moving parts
ü Touch button
ü Over 10 years lifetime
ü Composite material
ü Insensitive to scale and sand
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 | |
Data storage | Events and consumption values | |
Measurement | Class 2, Q3/Q1≥250, DN15/20 | |
IP protection | IP68 | |
User Interface
Display indication LCD, 9-digit |
Units DN 15 - DN 20 Flow and volume (m3 + 3 digits) |
Menu volume consumption - Water flow rate - Internal RTC Day:YY:MM:DD – Internal RTC Time:HH:MM:SS - Meter number(High order) - Meter number(Low order) –Soft version – Hardware version – Legal version – Status word |
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 | >Q3 | 5 minutes |
Leakage detection | ＜ Q1 | 30 minutes |
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 |