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NB IoT IoT water meter (non-magnetic)
1、 Product Overview: The Internet of Things Water Meter (NB-IOT) utilizes NB-IOT narrowband cellular technology
Product details
1、 Product Overview
IoT water meter（NB-IOT）Applied itNB_IOTNarrowband cellular technology. Unlike traditional remote meter reading systems, enterprises do not need to network themselves. Water meters are directly connected to the public network, and each water meter works independently as a terminal, with simple installation and maintenance and reliable operation. generalDN15~25As an integrated type,DN32The above is a split type, consisting of a base table and a transmission terminal.
2、 Functional Features
1. NB-IoTTransmission: Through mobile operationNB-IoTNetwork transmission
2. Infrared communication: The external environment can communicate with the near end of the water meter through an infrared interface
3. Data scheduled upload: Upon reaching the set time, data will be automatically uploaded.
4. Bi directional communication: Bi directional communication with the software platform
5. LEDIndicator light: It has working status and wireless status indicator lights, making the water meter status clear at a glance
6. Trigger online on the meter end: The water meter can be online and data can be uploaded through magnetic control or touch on the meter end
7. Valve control function: The valve controlled water meter end is equipped with a valve, which can achieve remote control of the valve
3、 Technical parameters
| Nominal diameter mm | 8 | 15 | 20 | 25 | 32~300 | |
| Common traffic (Q)3）m³/h | 1 | 2.5 | 4 | 6.3 | Specific parameters can be found in the mechanical water meter parameters corresponding to the selected base table | |
| Range ratio (Q3/Q1） | 160/200 | 80/100/125/160 | ||||
| Q2/Q1 | 1.6 | |||||
| Temperature rating | T30 | T30 (cold water), T90 (hot water) | ||||
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pressure rating |
MAP10 | |||||
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Pressure loss level |
△p63 | |||||
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Flow profile sensitivity level |
U0/D0 | U10/D5 | ||||
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Climate and mechanical environment level |
B-level (indoor) O-level (outdoor) | |||||
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Electromagnetic environmental conditions |
E1 | |||||
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protection grade |
IP68 | |||||
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transmission parameters
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Working frequency band | B3/B5/B8 | ||||
| Transmission power | 23dBm | |||||
| receiver sensitivity | -129dBm | |||||
| static current | ≤15uA | |||||
| Receiving Current | ≤60mA | |||||
| Emission Current | ≤500mA | |||||
4、 External dimensions
DN15~DN25
| Nominal diameter | type | length | width | height | Connecting thread | Pige Tread |
| DN（mm） | mm | |||||
| 8 | Purified water valve control | 165 | 105 | 115 | G3/4B | R1/2 |
| 15 | Magnetoresistance non valve | 85 | 151 | |||
| Non-magnetic non valve | 89 | 132 | ||||
| valve control | 95 | 135 | ||||
| 20 | Magnetoresistance non valve | 195 | 85 | 154 | G1B | R3/4 |
| Non-magnetic non valve | 89 | 135 | ||||
| valve control | 95 | 135 | ||||
| 25 | Magnetoresistance non valve | 225 | 85 | 157 | G1 1/4B | R1 |
| Non-magnetic non valve | 89 | 138 | ||||
| valve control | 95 | 135 | ||||
DN32~DN300
1. The installation size of the water meter can be found in the mechanical water meter size corresponding to the base meter
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