Description

Rs485 lLne Small Diameter Ulstrscoinc Water Meter.

1ultrasonic water meter 2

Product Description
Adopt advanced ultrasonic measurement technology to accurately measure, display and store the water flow through the pipeline;
Advanced technologies such as segmental calibration and automatic potential tracking are adopted;
It has the advantages of high measurement accuracy, wide range ratio, strong reliability, and long life;
The waterproof grade reaches IP68;
High measurement accuracy, simple construction, and simple operation can be copied and controlled by remote transmission, which is conducive to modern management;
Support ladder water price to facilitate water price adjustment;
Various query statistics and data analysis functions to facilitate data collection and statistics;
Fully waterproof design, suitable for outdoor ground, underground surface wells, and other occasions.

Deliver Condition:
1. Size: DN15-DN40
2. Body: Brass
3. Max work pressure: PN16.
4. Protection class: IP68
5. Communication methods: Lora, NB-IoT, GPRS, M-BUS, RS485
6. Battery life:10 years(DN15~DN40)/6-8years(DN50~DN500)
7. R: R250, R400
8. Water temperature: T30/T90
9. Standards: ISO4064.

Features
Low power dissipation: current <8 μA when static
Heat meter Measure accuracy: II
Working temperature range:4~95ºC
Minimum resolution ratio of temperature:0.01ºC
Two temperature sensors' matching error: <0.05ºC
Temperature range: 0~90ºC
Working pressure:1.6Mpa
Minimum resolution ratio of heating :0.1KWh(normal mode), 0.001KWh (testing mode)
Minimum resolution ratio of flux: 0.01 m³(normal mode),0.00001m³(testing mode)
Accumulative working temperature unit: h(hour)
Working environment Temperature:-15~55ºC
Flux sensor: ultrasonic sensor

3ultrasonic water meter parameter

Nominal diameter(mm)	15	20	25	32	40
Length L(mm)	165	195	225	180	200
Length L1(mm)	260	300	346	305	330
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

7ultrasonic water meter display content

Communication	LoRaWAN	NB-IOT	GPRS	WIFI	M-BUS	RS485
External transmission	LoRaWAN	Wireless Communication （work at TCP/UDP）				RS485 4wire
Antenna	Soft Antenna		Spring Antenna			/
Agreement	Big-end mode HEX					Modbus RTU
Communication	Low frequency High frequency	NB-IOT	GPRS	2.4G	M-BUS	RS485
Pulse singal	/	/	3-wire GNDS1 S2
Screen display	LCD button switch screen			LCD magnet switch screen
Communication distance	2-3km	2-3km	2-3km	＜10m	/	/
Wire length /line order	/	/	/	/	/	Wire length 1m Line order：4wire

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Rs485 Line Small Diameter Ulstrscoinc Water Meter