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IC Card Prepaid Water Meter

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INTRODUCTION

TECHNICAL DATA

Nominal diameter DN(mm)	Turndown ratio	Overload flow Q4	Permanent flow Q3	Transitional flow Q2	Min flow Q1
Nominal diameter DN(mm)	Turndown ratio	m³/h
50	R50	31.25	25	0.8	0.5
65	R50	50	40	1.28	0.8
80	R50	78.75	63	2.016	1.26
100	R50	125	100	3.2	2
125	R50	200	160	5.12	3.2
150	R50	312.5	250	8	5
200	R50	500	400	12.8	8
250	R50	787.5	630	20.16	12.6
300	R50	1250	1000	32	20

2. RELATIVE ERROR

Maximum allowable error Q1 – Q2 ± 5%.

Maximum allowable error Q3 – Q4, water temperature ≤30°, max permissible error ± 2%;

water temperature >30°, max permissible error ±3%.

3. BASIC PARAMETERS

Working temperature:	(0.1～30) ℃.
Working pressure:	≤1.0MPa.
Pressure loss:	≤0.063MPa
Installation environment:	Class B, indoor, fixed type installation
Electromagnetic environment:	E1 - residential, commercial, light industrial
Working Current:	Static: <10uA
Flow profile sensitivity class:	U10, D5
Storage ambient temperature:	(5～50)

FEATURE

◆Pay first and use water later

◆Split design

◆Tiered unit price

◆Self-protection function

◆Security is guaranteed

◆Valve is more reliable

APPLICATION

Farmland/Rural irrigation, Waterworkers, Factory, Swage treatment plant, Garden, Commercial, General household, Residential Building, Apartment, Municipality, Mall, Engineering construction etc.