Prepaid Card-Intelligent Water Meter

• Model NO.: LXSGK-15-20
• Nominal Diameter: DN15, DN20, DN25
• Principle: Speed of Water Meter
• Medium Pressure: General Water Meter
• Work Environment: Dry Water Meter
• Stucture: Intelligent IC Card
• Transport Package: Export Carton, Plastic Pallet
• Specification: Brass body, brass connectors
• Trademark: OEM
• Origin: Ningbo, China
• HS Code: 9028201000
• Production Capacity: 30000PCS/Month

Product Description

Prepaid water meter
1. Valve adopts rotary-wing construction, with small switch torture distance
2. One card, one meter with encipherment protection, security guaranteed
3. Valve automatically shut off when impacted by strong magnetic field action


Features:

1. RF card water meter use prepaid way to achieve the new management mode of "purchase first, then use "
2 .Show the different level price of the water, one card can be used for several meters
3. Double reading display: mechanical and electronic reading
4. Unique battery protection
5. Stable performance, wide application, Class B accuracy
6. Low power consumption, long service time
7. Electronic part is vacuum sealed
8. Anti-jamming and resist exterior magnet interference

Technical Parameters

1. Flow rate 

Model no.	Nominal diameter DN(mm)	Turndown ratio	Overload flow Q4	Permanent flow Q3	Transitional flow Q2	Min flow Q1
			M3/h
LXSGK-15	15	R80	3.125	2.5	0.05	0.03125
LXSGK-20	20	R80	5.0	4.0	0.08	0.05
LXSGK-25	25	R80	7.875	6.3	0.126	0.07875

 

2. Maximum Permissible Error
1) In the lower zone from Q1 inclusive up to but excluding Q2 is ±5%

2) If the temperature≤30ºC, in the upper zone from Q2 inclusive up to and including Q4 is ±2%

3) If the temperature>30ºC, in the upper zone from Q2 inclusive up to and including Q4 is ±3%

Note: Technical data conform to ISO4064 standard

Electrical Technical Data for RF Card Water Meter

Working current	Low voltage protection	Quiescent current	Battery voltage	Nominal Pressure	water volume per 1 pulse signal
<20mA	2.8V	<15uA	3.6V	3.0V~3.6V	100L

3.Working conditions:

Water temperature

≤50ºC for cold water meter

≤90ºC for hot water meter

Working pressure: ≤16bar

Relative humidity: ≤90%

DIMENSION

Size	Length L	Length L1	Width B	Height H	Connecting Thread
	mm
15	165	259	86	117	G3/4B	R1/2
20	195	299	86	117	G1B	R3/4
25	225	345	86	117	G1 1/4B	R1