Octave ultrasonic water meter （DN40-300）_Electronic category_High Precision Series_Products_English

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Electronic category

Octave ultrasonic water meter （DN40-300）

It is widely used for small flow users of large pipelines, such as community master meter, enterprises, schools, hospitals, fire meters, etc., especially for key users' trade settlement, master sub meter comparison, night leak detection and other occasions.

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Detailed Introduction

Product application

·Double channel ultrasonic metering, sampling frequency up to 100 times / second, metering more accurate and reliable.

·Without moving parts, it can keep accuracy for a long time and resist cold weather.

·High sensitivity and very low initiating flow (DN100 initiating flow is only 15L / h), which can be used for comparison of total sub meter and leak detection at night.

·The range ratio Q3 / Q1 can reach 500 times (the actual range ratio can reach 1000 times)

·There is almost no blind area in measurement, and the application scope is wider.

·The unique "black box" function can store more than 4000 pieces of historical data.

·Equipped with rectifier, not affected by flow field disturbance, low requirements for straight pipe section, and stronger installation applicability.

·IP68 waterproof grade, can work underwater for a long time.

·Three line LCD display (it can display accumulated flow, instantaneous flow, flow direction, alarm prompt, water temperature and other information at the same time)

·The display number of accumulated flow reaches 12, and the decimal point can be adjusted according to the demand.

`Remote transmission can be equipped with Cat.1/NB-IoT remote transmission terminal module

·The life expectancy of lithium battery is more than 10 years, and the six-year warranty is free.

Installation requirements

·Can be installed in any direction

·When not installed horizontally, the water outlet end is upward

·Measurement with full pipe.

·The sensitivity grade of flow profile is U0 and d0 (u2d2 is required when there are valves and screens in front of and behind the table)

Technical Parameters
Model		High Flow							Low Flow
DN		40	50	80	100	150	200	300	40	50	65	80	100	150	200	250	300
Basis of measurement range GB/T778	Q₃/Q₁	250	500	500	500	500	500	500	R250	R500	R500	R500	R500	R500	R500	R500	r500
Q₄Overload flow m³/h		50	50	80	125	313	500	1250	50	50	50	80	125	315	500	1250	1250
Q₃Common flow m³/h		40	40	65	100	250	400	1000	40	40	40	65	100	250	400	1000	1000
Q₂Boundary flow m³/h		0.256	0.125	0.2	0.32	0.8	1.28	3.2	0.25	0.125	0.125	0.200	0.315	0.800	1.25	3.15	3.15
Q₁Minimum flow m³/h		0.16	0.08	0.125	0.2	0.5	0.8	2	0.16	0.080	0.080	0.125	0.200	0.500	0.800	2	2
Humidity level		T50
Pressure rating		1.6MPa
Degree of protection		IP68
Pressure loss level		△p16	△p10						△p16
On screen display		It can display 12 digit cumulant (decimal point can be adjusted); four digit instantaneous flow

Installation Size
Model			High Flow							Low Flow
DN			40 （Threaded connection）	50	80	100	150	200	300	40	50	65	80	100	150	200	250	300
size	Total length	L mm	300	200	225	250	300	350	499	300	200	200	225	250	300	350	449	499
	height	H mm	155	194	210	223	280	332	456	155	194	210	210	223	280	332	383	456
	height	h mm	35	40	90	103	140	165	245	35	40	90	90	103	140	165	203	245
	width	W mm	113	165	200	220	285	340	489	113	165	185	200	220	285	340	406	489
weight	Integral water meter	kg	1.4	9	13	15	32	45	96	1.4	9	11.5	13	15	32	45	68	96

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Electronic category

Octave ultrasonic water meter （DN40-300）

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