Features
Ideal for residential use, often used for public utilities
For hot and cold water, mechanical drive
Comply with ISO4064 standard
Certified for using with drinking water
IP68 Waterproof grade
MID certificate
Electromechanical separation, replaceable battery
Technical Specs
| Item |
Parameter |
| Accuracy Class |
Class 2 |
| Nominal Diameter |
DN15~DN20 |
| Valve |
No valve |
| PN Value |
1L/P |
| Metering mode |
Non-magnetic inductance metering |
| Dynamic Range |
≥R250 |
| Maximum Working Pressure |
1.6MPa |
| Working Environment |
-25°C~+55°C |
| Rating of Temp. |
T30 |
| Data Communication |
NB-IoT, LoRa and LoRaWAN |
| Power Supply |
Battery powered, one battery can work continuously over 10 years |
| Alarm Report |
Support real-time alarm of data abnormality |
| Protection Class |
IP68 |
| Solutions |
NB-IoT |
LoRa |
LoRaWAN |
| Type |
HAC-NBh |
HAC-ML |
HAC-MLW |
| Transmitting current |
≤250mA |
≤130mA |
≤120mA(22dbm)≤110mA(17dbm) |
| Transmitting power |
23dBm |
17dBm/50mW |
17dBm/50mW |
| Average power consumption |
≤20µA |
≤24µA |
≤20µA |
| Frequency band |
NB-IoT band |
433MHz/868MHz/915MHz |
LoRaWAN frequency band |
| Handheld device |
Support |
Support |
Do not support |
| Coverage（LOS) |
≥20Km |
≥10Km |
≥10Km |
| Setting mode |
Infrared setting and upgrade |
FSK setting |
FSK setting or Infrared setting and upgrade |
| Real-time performance |
Not real-time |
Real-time control meter |
Not real-time |
| Data downlink delay |
24h |
12s |
24h |
| Battery life |
ER26500 battery life: 8 years |
ER18505 battery life: about 13 years |
ER18505 battery life: about 11 years |
| Base Station |
Using the base stations of NB-IoT operator, one base station can used with 50,000 meters. |
One concentrator can manage 5000pcs water meters, no repeater. |
One LoRaWAN gateway can cconnect with 5000pcs water meters, the gateway supports WIFI, Ethernet and 4G. |