Ultrasonic Water Meter With Modbus Communication Domestic DN15-DN40
Overview
The ultrasonic water meter adopts ultrasonic flow technology, which uses the influence of water flow on ultrasonic propagation to measure flow. It is free from impurities and strong magnetic interference in water. It has the advantages of convenience, accuracy, stability, and strength. The meter uses high-quality low-voltage electric ceramic transducers to ensure high accuracy and stability. The watch has no mechanical movement, no wear, is not affected by bad water quality, and has low maintenance costs. The meter can be installed horizontally or vertically, and the humanized design meets the requirements of normal reading viewing angles, making reading more convenient.
Nominal diameter(mm) | 15 | 20 | 25 | 32 | 40 |
Length L(mm) | 165 | 195 | 225 | 180 | 200 |
Length L1(mm) | 260 | 300 | 346 | 305 | 330 |
Width B(mm) | 95 | 95 | 95 | 95 | 95 |
Hight H(mm) | 86 | 86 | 89 | 100 | 120 |
Overload flow Q4(m³/h) | 3.125 | 5 | 7.87 | 12.5 | 20 |
Permanent flow Q3(m³/h) | 2.5 | 4 | 6.3 | 10 | 16 |
Transitional flow Q2 (m³/h) | 0.02 | 0.032 | 0.05 | 0.08 | 0.128 |
Minimum flowQ1(m³/h) | 0.0125 | 0.02 | 0.032 | 0.05 | 0.08 |
Start-up flow(m³/h) | 0.005 | 0.005 | 0.008 | 0.01 | 0.015 |
Max flow | 999999.99 | ||||
Measuring range | Q3/Q1, R200 (R250 customizable) | ||||
Accuracy class | Class 2 | ||||
Pressure loss class | ≤0.04 MPa | ||||
Working pressure | 1.6 MPa | ||||
Temperature class | T50 | ||||
Temperature range | (5~55)℃ | ||||
Environment class | Indoor, Class B | ||||
Electromagnetic class | E1(Residential, Commercial, Industrial) | ||||
Power supply | Built-in lithium battery DC 3.6V | ||||
Battery life | 8-10 years | ||||
IInstallation position | Any angle | ||||
Display | LCD, 8 digits + additional characters | ||||
Installation pitch | U10/D5 | ||||
Communication interface | RS485 modbus/ LoRa/NB-lOT/LoRaWAN | ||||
Protection class | IP68 | ||||
Notice
1. The caliber of the water meter should be determined according to the caliber of the installation pipe, and the installation location should avoid exposure, flooding, freezing, and pollution, so as to facilitate disassembly and card swiping.
2. The water meter should be installed horizontally (display face up).
3. Before new installation, sand, gravel, hemp, and other sundries in the pipeline should be removed to avoid water meter failure.
4. The direction of the arrow shown on the water meter should be consistent with the pipeline's law of water flow.
5. If the water meter is installed at the water inlet of the boiler, it is necessary to prevent the backflow of hot water and steam from the boiler from damaging the internal parts of the water meter and install a check valve at the outlet of the water meter. Read the meter.
Shipment
After the ultrasonic water meter is packed, it should not be directly affected by rain, frost, and fog during transportation. It should be placed according to the upward sign, and damage such as extrusion and collision should be avoided. During storage, the product pad should be at least 30cm away from the ground, not less than 1m away from the four walls, and not less than 2m away from the heating equipment. The ambient temperature is 5°C~55°C, and the relative humidity is less than 80%. There should be no acid, alkali, flammable, explosive, toxic, other chemicals, and other corrosive gases and articles in the warehouse, and strong electromagnetic fields and direct sunlight should be prevented.
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