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NB-iot Water Meter without Module with Valve Control Function
This Ningshui NB-iot Water Meter without Module with Valve Control Function is offered by China manufacturer Ningbo Ningshui instruments co.,ltd.The company has a modern production plant, advanced production equipment, process equipment, and testing equipment, as well as modern production workshops and office areas. It has obtained ISO9001:2000 quality management system certification, a product manufacturing license, a health license issued by the provincial health department, and a qualified confirmation for measurement. The goal of the company is to develop first-class products, create a first-class enterprise, and provide first-class services.
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Product Description
Ningshui NB-iot Water Meter without Module with Valve Control Function Introduction
This is Ningshui NB-iot Water Meter without Module with Valve Control Function. The NB-IoT remote control water meter adopts advanced LPWA (Low Power Wide Area Internet of Things) technology and is based on a wet-type water meter. When equipped with the module, it becomes a suitable water measurement device for smart water construction, water companies, and various water management departments. The product's performance index conforms to GB/T778-2018.
The NB-IoT Internet of Things technology is characterized by strong links, high coverage, low power consumption, and low cost, and is also known as the "Narrowband Internet of Things." The NB-IoT wireless remote water meter has very low communication power consumption, allowing it to work for more than six years without needing a battery change. By using the NB-IoT wireless remote water meter, wireless automatic meter reading can be achieved. Every day, the NB-IoT module collects and automatically transmits water consumption data from each household to the management platform, where it is analyzed and used for statistical analysis and water meter charging in the management area.
→ Support Remote centralized meter reading·
→ High reliability, low power consumption
→ Valve remote control
→ Battery replacement is available
→ With high accuracy
→ For horizontal use
→ Measuring accuracy conform to ISO 4064 class B Standard
→ Selected high quality materials for steady & reliable characteristic
→ Universal use.Easy for interchange & maintenance
The NB-IoT Internet of Things technology is characterized by strong links, high coverage, low power consumption, and low cost, and is also known as the "Narrowband Internet of Things." The NB-IoT wireless remote water meter has very low communication power consumption, allowing it to work for more than six years without needing a battery change. By using the NB-IoT wireless remote water meter, wireless automatic meter reading can be achieved. Every day, the NB-IoT module collects and automatically transmits water consumption data from each household to the management platform, where it is analyzed and used for statistical analysis and water meter charging in the management area.
→ Support Remote centralized meter reading·
→ High reliability, low power consumption
→ Valve remote control
→ Battery replacement is available
→ With high accuracy
→ For horizontal use
→ Measuring accuracy conform to ISO 4064 class B Standard
→ Selected high quality materials for steady & reliable characteristic
→ Universal use.Easy for interchange & maintenance
Ningshui NB-iot Water Meter without Module with Valve Control Function Parameter (Specification)
| Size | Length(L) | Width(W) | Connection Thread |
| DN15 | 165mm | 91mm | G3/4” B |
| DN20 | 195mm | 91mm | G1” B |
| DN25 | 225mm | 91mm | G1 1/4” B |
Features
·Register sealed type: Dry type; Semi-dry type; Super-dry type.
·Measurement range ratio(Q3/Q1): R=80,100,160
·Size: 15mm 20mm and 25mm
·Cold water / Hot water
·Custom lengths and threads are available
·Thread end type: BSP / NPT.
·Materials: Brass
·Plastic Working pressure: PN10(10bar)
·Temperature rating:Cold water meter: 0.1~50ºC; Hot water meter 0.1~90ºC;
·Pressure rating:MAP 10
·Pressure loss rating:P63
·Maximum Permissible working pressure :1.0MPa
·Minimum allowable working pressure: 0.03MPa
··Climate and mechanical environment safety grade:B
·Electromagnetic Compatibility:E1- residential, commercial and light industry
·Service life >6 years
·Environment humidity ≤95%
·Accuracy class: Class 2 (Class B)
·Communication method:NB-IOT
|
Nominal diameter (DN) |
Common flow(Q3) m³/h |
Boundary flow(Q2) m³/h |
Minimum flow rate (Q1) m³/h |
maximum reading |
minimum reading |
Length (mm) |
Width (mm) |
Hight (mm) |
Connecting thread |
Measurement Grade |
|
| 15 | 2.5 |
Q3/Q1≥100 Q2/Q1= 1.6 |
99999.9m³ | 0.1m³ | 165 | 93 | 142 | R1/2 | G3/4 | 2 | |
| 20 | 4.0 | 99999.9m³ | 0.1m³ | 195 | 93 | 142 | R3/4 | G1 | |||
| 25 | 6.3 | 99999.9m³ | 0.1m³ | 225 | 93 | 142 | R1 | G1-1/4 | |||
The maximum permissible error
At low zone is ±5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary
At high zone is ±2% from transitional flow rate (qt) to overload flow rate(qs)
At high zone is ±2% from transitional flow rate (qt) to overload flow rate(qs)
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