一ã€Product Summary
Dear users, thank you for using our large-caliber water meter. Please read this instruction manual carefully before using it, so that you can easily use our products.
Large-diameter water meter is a measuring instrument used to measure the total volume of water flowing through tap water pipes, which is suitable for small-scale industrial water and residential water. Dry structure, vacuum sealing of counting mechanism, no influence of water quality on the wheel of dial, and permanent clear reading. The word wheel display counter value has large measuring range and high precision. The metering and other performance requirements meet GB/T 778.1 ~ 3-2007 Class B standard, and the electronic device meets the "Electronic Remote Transmission Water Meter" (CJ/T 224-2006) standard.
二ã€Working Principle
Compared with the traditional pulse water meter, the large-diameter water meter can reduce the metering error to almost zero, which is an ideal metering zero-error water meter in the automatic meter reading system. Moreover, it adopts a low power consumption design, so it is not necessary to supply power normally, and it is only necessary to power up the water meter when it reads.
三ã€Function List
Serial /span> | Functions | Comments |
1 | Metering function | Accumulated flow of real-time Hall counter |
2 | Water metering data history storage local | 1. For the latest 90 days, the measurement data is stored every hour 2. The latest 180 days, the measurement data is stored every day 3. Monthly storage of measurement data in the latest year |
3 | Power supply | 1. Battery powered 2. External power supply |
4 | Main battery capacity level indication | The suffix of that current battery capacity level is report to the server in each metering data message uplink report |
5 | LED indication | Communication events; Screen Cutting Event |
6 | Manual triggering (triggering varies according to different models) | Button triggers an escalation event Magnet triggers report event Trigger 1 second switch screen Trigger 2 seconds to report data Trigger more than 9 seconds to restart the device |
7 | ology | Lorawan/NB/GPRS |
8 | External Interface | RS485/Mbus |
9 | Periodic reporting | 1 The default period is 24 hours Latest cumulative measurement data Water meter status: valve status/power supply Battery Capacity Level Downlink Indication |
10 | Timed reporting | 1 Fixed time (for example, 23:00, also configurable) triggers metering data reports every day, and the message payload is the same as the periodic report Latest cumulative measurement data Water meter status: valve status/power supply Battery Capacity Level 5LoRaWAN Downlink Indication RSSI/SNR |
11 | Alarm Message Uplink Report | Battery Capacity Low Level Alarm Backup Battery Switch Alarm Valve fault alarm |
12 | Screen digital display | 1 Display content: current reading, electric quantity, balance and valve status (default valve opening status of non-valve controlled water meter) 2 Display mode: normally bright (low power consumption screen) |
13 | Mode of transport | In the transportation mode, log is closed, communication is closed, pulse is not metered, and the operation with minimum power consumption is maintained |
14 | Antenna (Nb/Lorawan/GPRS) | Built-in antenna (spring/soft antenna) External antenna (chuck antenna) |
15 | Infrared Configuration (Optional, Default None) | Infrared Setting/Read Table Parameters Infrared Update Program |
16 | Communication mode | Supported Band |
| M66 (GPRS Communications) |
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