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The wireless AMR water meter(NB-IOT) using of advanced wireless transmission technology, it transforms metered information of conventional mechanical water meter into electrical signal have it stored by micro-electronics control circuit. It is able to automatically read the metering data via wireless remote network and is also able to transfer the data to the back-office system (data center) after reading the meters. It can realize daily automatic data push and remote valve control valve.
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NB IOT water meter in wireless remote reading
Operation (use) instructions
This product uses the NB-IOT wireless free frequency band to transmit data, and the entire transmission process is automatic. However, it can also be triggered manually for active online. Operation mode: touch the triangular sensing area intermittently (the touch interval is about 2S) until the indicator light is always on. When the indicator light starts to flash, the water meter is online.
Installation & use
1.Water meter with proper calibre should be choosed according to diameter of pipeline at installation site. The expected flow rate should be compatible with the Q1 to Q3 flow of the water meter.
2. The water meter installation must be based on the water meter
dial on the prompt: there is "H" logo for horizontal installation, "V" for vertical installation, the direction of the arrow on the body is consistent with the direction of the pipe flow.
3.The front end and the end of the water meter need to be equipped with a shut-off valve, and the straight pipe section of sufficient length and the same diameter is installed according to the requirements of U5, D3 (5DN, 3DN) to ensure accurate measurement.
4.The impact and vibration of the surrounding environment of the installation site should be prevented, otherwise the water meter will be damaged.
5.The water meter should be protected from excessive stress caused by pipes and fittings. If necessary, install the water meter on the base or bracket. The upper and lower water pipes should be properly fixed to prevent any part from being displaced by the thrust of the water when the water meter is removed or the side is disconnected.
6.Pipeline installation should leave the necessary water meter connection length, when the distance between the two ends of the pipeline exceeds the length of the water meter, the pipeline spacing should be corrected to meet the water meter connection length.
7.The main pipeline should be flushed before installation to prevent stones, sand and other debris from entering the water meter.
8.In order to allow the water meter to work for a long time, the water meter should always be filled with water, it is recommended that the outlet faucet is higher than the water meter by more than 0.5m.
9.When using the water meter, measures should be taken to prevent unfavorable hydraulic conditions (cavitation, surge, water hammer) from damaging the water meter.
10.The water meter should be protected from exposure and freezing, and antifreeze measures should be taken during freezing. The water meter should prevent the external environment from corroding and causing damage to the water meter.
11. During the long-term use of water meters, periodic inspections should be carried out according to local requirements. If there are debris, rust and other deposits in the pipeline blocking the water filter network and affecting the accurate measurement, it must be recalibrated by the designated department, and the user shall not repair the water meter at will.
12.If the water meter is used in a harsh environment, after installing the check valve and venting the gas in the back pipe of the water meter, the water meter rotation cannot be eliminated. The water supply enterprise should consider other methods to solve this problem.
NB IOT water meter in wireless remote reading
Operation (use) instructions
This product uses the NB-IOT wireless free frequency band to transmit data, and the entire transmission process is automatic. However, it can also be triggered manually for active online. Operation mode: touch the triangular sensing area intermittently (the touch interval is about 2S) until the indicator light is always on. When the indicator light starts to flash, the water meter is online.
Installation & use
1.Water meter with proper calibre should be choosed according to diameter of pipeline at installation site. The expected flow rate should be compatible with the Q1 to Q3 flow of the water meter.
2. The water meter installation must be based on the water meter
dial on the prompt: there is "H" logo for horizontal installation, "V" for vertical installation, the direction of the arrow on the body is consistent with the direction of the pipe flow.
3.The front end and the end of the water meter need to be equipped with a shut-off valve, and the straight pipe section of sufficient length and the same diameter is installed according to the requirements of U5, D3 (5DN, 3DN) to ensure accurate measurement.
4.The impact and vibration of the surrounding environment of the installation site should be prevented, otherwise the water meter will be damaged.
5.The water meter should be protected from excessive stress caused by pipes and fittings. If necessary, install the water meter on the base or bracket. The upper and lower water pipes should be properly fixed to prevent any part from being displaced by the thrust of the water when the water meter is removed or the side is disconnected.
6.Pipeline installation should leave the necessary water meter connection length, when the distance between the two ends of the pipeline exceeds the length of the water meter, the pipeline spacing should be corrected to meet the water meter connection length.
7.The main pipeline should be flushed before installation to prevent stones, sand and other debris from entering the water meter.
8.In order to allow the water meter to work for a long time, the water meter should always be filled with water, it is recommended that the outlet faucet is higher than the water meter by more than 0.5m.
9.When using the water meter, measures should be taken to prevent unfavorable hydraulic conditions (cavitation, surge, water hammer) from damaging the water meter.
10.The water meter should be protected from exposure and freezing, and antifreeze measures should be taken during freezing. The water meter should prevent the external environment from corroding and causing damage to the water meter.
11. During the long-term use of water meters, periodic inspections should be carried out according to local requirements. If there are debris, rust and other deposits in the pipeline blocking the water filter network and affecting the accurate measurement, it must be recalibrated by the designated department, and the user shall not repair the water meter at will.
12.If the water meter is used in a harsh environment, after installing the check valve and venting the gas in the back pipe of the water meter, the water meter rotation cannot be eliminated. The water supply enterprise should consider other methods to solve this problem.
