Residential Ultrasonic Water Meter DN15-DN25

Features:

● Full stainless steel body. Can be used for high -quality direct drinking water meter.
● Wide range.
● Measuring low starting flow, reduce the gap between production and sales effectively.
● No moving parts, accuracy will not change after long term working.
●With error alarm function on flow sensor, temperature sensor, over range or battery undervoltage.

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Specifications

Flow Parameter

LCD Display

Dimensions

On-site Pictures

Video

Application

Max. Working Pressure	1.6Mpa
Temperature Class	T30
Accuracy Class	ISO 4064, Accuracy Class 2
Body Material	Stainless SS304（opt. SS316L)
Protection Class	IP68
Environmental Temperature	-40℃～+70℃, ≤100%RH
Pressure Loss	ΔP25
Climate And Mechanical Environment	Class O
Electromagnetic Class	E2
Communication	Wired M-bus, RS485; Wireless LoRaWAN, NB-IoT
Display	9 digits multi-line LCD display. Can display cumulative flow(m³, L, GAL) , instantaneous flow (m³/h, L/min, GPM), battery alarm, flow direction, output etc.
Data Storage	Store the data, including day, month, and year for latest 24 months. The data can be permanently saved even powered off
Frequency	1-4 times/second

Remarks: LoRaWAN/NB-IoT signal becomes weak, repeated uploading will shorten battery life.

PWM-S household ultrasonic water meters provide accurate and reliable solutions for users who wish to measure water consumption in various applications. Due to its non moving component design and false alarm function, this instrument is an ideal choice for long-term use and ensures accurate readings over time. Today, buy our ultrasonic water meter and start saving water and money.

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Model	PWM-S Water Meter Without Valve
Nominal Diameter	Permanent Flow Q3	Transitional Flow Q2	Minimum Flow Q1	Permanent Flow Q3	Transitional Flow Q2	Minimum Flow Q1
R=Q3/Q1	250			400
DN	m³/h	m³/h	m³/h	m³/h	m³/h	m³/h
15	2.5	0.016	0.010	2.5	0.010	0.006
20	4.0	0.026	0.016	4.0	0.016	0.010
25	6.3	0.040	0.025	6.3	0.025	0.016

LCD Display

Dimensions

Norminal SizeDN(mm）		15	20	25
Dimension	Length L(mm)	165	195	225
	Width W(mm)	83.5	89.5	89.5
	Height H(mm)	69.5	73	73
	Weight(kg)	0.7	0.95	1.15
Interface Size of Flow Pipe Segment	Thread Specification	G 3/4B	G1B	G1 1/4B
Interface Size of Flow Pipe Segment	Thread Length(mm)	12	12	12
Pipe Joint Size	Pipe Joint Length(mm)	53.8	60	70
	Thread Specification	R1/2	R3/4	R1
	Thread Length(mm)	15	16	18