Multi Jet Dry Type IC Prepaid Water Meter

• Install: Horizontal
• Medium Temperature: Cold & Hot Water Meter
• Level Measurement: B
• Counter Instructions: Digital
• Nominal Diameter: 15mm-20mm
• Application: Civil
• Model NO.: RFWM-15E-20E
• Principle: Speed of Water Meter
• Medium Pressure: General Water Meter
• Work Environment: Dry Water Meter
• Stucture: Intelligent IC Card
• Production Standard: ISO 4064
• Temperature: 0 Degrees Celsius - 90 Degrees Celsius
• Pressure Resistance Intensity: 1.6MPa, 15min
• Pressure Loss: <= 0.1 MPa
• Working Voltage: DC3.6V±0.6V
• Static Current: <= 20 Ua
• Operating Current: <40mA
• Controller Precision: <= 0.1%
• Controller′s Reliability (Mtbf): >= 2000h
• Transport Package: Export Standard
• Specification: Export Standard
• Trademark: AIMEI or OEM
• Origin: China
• HS Code: 9028201000
• Production Capacity: 3, 000, 000/Year

Product Description

APPLICATION
Measuring the volume of cold potable water passing through the pipeline.

FEATURES
Ø Multi-Jet , ISO4064 Class B, Made in Brass    
Ø Both Mechanical and LCD Display
Ø Automatic Charging: Prepayment Mode or Pay-After-Use Mode
Ø The meter base and valve are magnetic driven
Ø External battery placement and easy to replace
Ø Anti-vibration
Ø Residential area for DN15 and DN20

WORKING CONDITION
Water temperature : 0.1 ºC ~ 40 ºC for cold water,
 5 ºC ~ 90 ºC for hot water 
Working pressure: 10 bar (16 bar on request)

SPECIFICATIONS

Nominal Diameter	Class	Overload flow-rate	Permanent flow-rate	Transition flow-rate	Minimum flow-rate	Minimum reading	Maximum reading
mm		m3/h		l/h		m3
15	A	3	1.5	150	60	0.0001	99999
	B			120	30
20	A	5	2.5	250	100	0.0001	99999
	B			200	50

1. Product technical standards: CJ/T133-2001 and GB/T778.1
2. Maximum error tolerance of base meter conforms to the requirement of the GB/T778.1B-level meter. 
3. Pressure resistance intensity: 1.6MPa, 15min 
4. Pressure loss: <= 0.1 MPa 
5. Working voltage: DC3.6V±0.6V 
6. Static current: <= 20 uA 
7. Operating current: <40mA (temperature 15 ºC ~ 35 ºC)
8. Controller precision: <= 0.1% 
9. Controller's reliability (MTBF): >= 2000h 
10. Durability performance: socket >100,000 times, electrically controlled valve 
>10,000 times
11. Movement range of electro-mechanic driven diaphragm valve
 
FLOW ERROR CURVE AND HEAD LOSS CURVE

MAXIMUM PERMISSIBLE ERROR
In the lower zone from Qmin inclusive up to but excluding Qt is ±5%
In the upper zone from Qt inclusive up to and including Qmax is ±2%