Smart Electromagnetic Water Meter: NB-IoT, LoRa, M-Bus
Remote read meters
1- Low-power design, built-in 3.6V lithium battery service life ≥6 years
2- With high and low temperature automatic compensation function; with forward and reverse high-precision measurement capabilities.
3- Large LCD screen displays: forward and reverse flow, flow direction, flow rate, cumulative flow, instantaneous flow, unit, leak detection, empty pipe detection, low battery alarm, external power supply display, etc.
4- It adopts Europe's mature NFC near-field communication technology, has an embedded NFC near-field communication circuit board, connects to the remote data monitoring terminal, and realizes NB-loT data communication; it can be equipped with a new NDC electronic module to realize pulse output, M-Bus, and LoRa remote transmission.
5- Optional remote controlled meters.
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* NB-IOT |
* LORA |
* M- BUS |
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- Frequency band: 800MHz～900 MHz.
- Low-power design, built-in 3.6V lithium battery service life ≥6 years
- Meter data be received and sent to the operator's cloud by the wireless transmission module through the NB-IOT channel.
The management software on server remote monitors the meters and settles the water bill based on the data extracted from the operator's cloud. |
- Frequency band: 470MHz～510 MHz
- Low-power design, built-in 3.6V lithium battery service life ≥6 years
- The concentrator communicates with the meters through Lora to receive data from meter, and sends data back to server by 4G/ Internet.
- Water meter parameters can be set and modified by the hand holder by operator. |
- Communication Rate: 1200bps/2400bps/4800bps
- The concentrator communicates with the meters to receive data from meter, and sends data back to server by 4G/ Internet.
- The working voltage: DC24V powered by the bus; Built-in backup power DC3.6V, static current < 25μA. |
Mechanical characteristics & Parameters
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Dia.(mm) |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
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Q3（m³/h） |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
1000 |
1600 |
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Startup flow (l/h) |
4.5 |
7.1 |
11.9 |
18.1 |
28.3 |
44.2 |
63.6 |
113.1 |
176.7 |
254.5 |
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Range ratio |
Q3/Q1=160,250 Q4/Q3=1.25 Q2/Q1=1.6 |
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Accuracy class |
Class 1 or Class 2 |
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Protection level： IP68 Temperature grade： T50 Pressure rating： 1.0MPa Maximum pressure loss：△p25 Measurement direction: Two-way measurement Installation m: Horizontal or vertical |
Sensitivity level of flow profile：U5/D3(In the case of upstream and downstream bending, U0/D0 can be achieved and accuracy can be ensured)
Electromagnetic environment class：E2 Environmental grade： Class 0 Environment temperature： -25°℃~60°℃ Storage temperature： -40° C ~60° C |
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Structural material: Electrode 316L Flange 304 Conduction pipe Sanitary grade polymer material Meter body 304 Converter housing 304＋Weather resistant polymer material |
Early warning: Lithium battery low power, air pipe, excitation, reverse flow, instantaneous flow upper and lower limits, pressure upper and lower limits, temperature, humidity, external magnetic field interference, operating current, operating parameter warning |
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