Iã€Product profile
Dear users, thank you for using our company's ultrasonic valve controlled water meter, before using, please read this manual carefully, so that you can use our products easily.
Ultrasonic water meter to achieve accurate measurement of flow. The product has the characteristics of beautiful appearance, convenient installation, accurate measurement, smeter operation, strong anti-pollution and anti-corrosion ability, long service life, small pressure loss, economical and practical, etc. It is suimeter for domestic water and central air conditioning system water flow metering and charging.
Standard: GB/T 778 measurement of water flow in closed full pipe drinking cold water meter and hot water meter JJG 162-2009 cold water meter
IIã€The working principle of
Ultrasonic water meter adopts the principle of ultrasonic wave, which is a kind of water meter which analyzes and processes the flow rate of water and further calculates the flow rate of water by detecting the time difference caused by the change of velocity of ultrasonic sound beam when it propagates along the current and against the current in the water.
IIIã€Feature list
The serial /span> | function | note |
1 | Measurement function | Real-time Hall counter accumulates flow |
2 | Water metering data history storage locally | 1. For the latest 90 days, measurement data will be stored hourly 2. The latest 180-day measurement data is stored every day 3. Monthly storage of measurement data in the last year |
3 | The power supply | 1. Battery power 2. External power supply |
4 | Main battery capacity level indication | Reports the current battery capacity level suffix to the server in each metering data message uplink report |
5 | The LED indicator | Communication events; Cut the screen event |
6 | Manual trigger (trigger is different according to different models) | The button triggers the escalation event Attractors trigger escalation events Trigger 1 second toggle screen Trigger 2 seconds to report data Trigger for more than 9 seconds to restart the device |
7 | ology | Lorawan/NB/GPRS |
8 | External interface | RS485/Mbus |
9 | Report on a regular basis | Default is 24 hours 2. Latest accumulative measurement data Water meter status: valve status/power supply 4 Battery capacity level Downlink indication |
10 | Regular report to | 1 A fixed time (e.g. 23:00, also configurable) triggers metering data reports daily, and the message payload is the same as the periodic reports 2. Latest accumulative measurement data Water meter status: valve status/power supply 4 Battery capacity level 5LoRaWAN downlink indicating RSSI/SNR |
11 | Alarm message uplink report | Low battery capacity alarm 2 standby battery switch alarm Valve failure alarm |
12 | The screen display | 1. Display content: current reading, electric quantity, balance, valve status (open by default, because the cold water meter has no valve) 2 Display mode: Constantly bright (low power consumption screen) |
13 | Mode of transport | In transport mode, log is off, communication is off, pulse measurement is not maintained, and the operation of minimum power consumption is maintained |
14 | Antenna (Nb/Lorawan/GPRS) | Built-in antenna (spring/soft antenna) External antenna (sucker antenna) |
15 | Infrared configuration (optional, none by default) | Infrared set/read meter parameters Infrared update program |
16 | Communication methods | Support the spectrum |
| M66 (GPRS communication) |
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