Anhui Highwell Electronic Co., LTD.: Hefei, Anhui, China; Main products: Smart Water Meter, Ultrasonic Water Meter, Ultrasonic Heat Meter, Intelligent Control Valve

Home > Products > Ultrasonic Water Meter > DN15-DN40 Ultrasonic Water Meter R250 Household Smart Water Meter NB-IoT/LoRaWAN/RS485/M-Bus

DN15-DN40 Ultrasonic Water Meter R250 Household Smart Water Meter NB-IoT/LoRaWAN/RS485/M-Bus

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10 Pieces(Min. Order)

Payment TermsT/T

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Product Details

Brand Name

Highwell Electronic

Place of Origin

China

Product Description

Features
1.Uses picosecond-level high-precision metering chips, providing low starting flow, wide measurement range, high accuracy, and the ability to measure even the smallest drops of water.
2.the electronic components are fully sealed, offering waterproof, moisture-proof, dust-proof, dirt-proof, and sand-proof characteristics.
3.Can store 24 monthly records, 360 daily records, and 192 hourly records. Data can be preserved for a long time even after power loss.
4.Real-time monitoring of battery, temperature, and flow. In case of low battery voltage, transducer abnormalities, or non-full pipe (empty pipe) conditions, the system has the capability to detect, record, and alert. the screen will display corresponding prompts.
5.Multiple communication options are available (infrared, RS485, M-Bus, NB-IoT, LoRa, Cat1, TTL, LoRaWAN, etc.) to enable centralized meter reading, parameter setting, and other functions.
6.Optional valve control function for remote valve operation.
7.Supports remote online upgrades at the meter end, continuously meeting new requirements for the water meter and addressing user concerns.

Flow Range

Performance	Parameters
Nominal Diameter	Q₃/Q₁	Starting flow Q_S (L/h)	Minimum flow rate Q₁ (L/h)	Transition flow rate Q₂ (L/h)	Permanent flow rate Q₃ (L/h)	Overload flow rate Q₄ (L/h)
DN15	R250	2.4	10	16	2500	3125
DN20	R250	4	16	25	4000	5000
DN25	R250	6.4	25	40	6300	7875
DN32	R250	10.2	40	64	10000	12500
DN40	R250	16	64	100	16000	20000

Performance	Parameters
Measured Medium	Domestic water (other liquids require customization) and must fill the pipe
Operating Voltage	DC3.6V (non-rechargeable lithium battery)
Accuracy Class	Class 2
Q₃/Q₁	R250
Nominal Diameter	DN15～DN40
Maximum admissible Pressure	16 bar
Environmental Class	Class O
Temperature Class	T30/T50/T90(optional)
Upstream Flow Field Sensitivity Class	U10
Downstream Flow Field Sensitivity Class	D5
Electromagnetic Environment Class	Class E1
Communication Interface	RS485/M-Bus/Infrared/NB-IoT/LoRa/Cat1/TTL/LoRaWAN(optional)
Protection Class	IP68
Button	Touch button

Outline Dimension

Nominal Diameter	Length L (mm)	Width W (mm)	Height H (mm)	Thread Diameter D (mm)
DN15	165	98	109	G3/4B
DN20	195	98	116	G1B
DN25	225	98	125	G1 1/4B
DN32	260	98	132	G1 1/2B
DN40	300	98	144	G2B

Contact Us

Anhui Highwell Electronic Co., LTD.: Contact nameOliver ho
Chat Now; Phone86-0551-65301309; AddressThe southwest corner of the intersection of Mingchuan Road and Marrelli Branch Road, High-tech Zone, Hefei, Anhui

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Product Categories

Smart Water Meter	Ultrasonic Water Meter	Ultrasonic Heat Meter	Room Temperature Thermostat
Intelligent Control Valve	NB-IoT Temperature and Humidity Collector

DN15-DN40 Ultrasonic Water Meter R250 Household Smart Water Meter NB-IoT/LoRaWAN/RS485/M-Bus

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