DN15 4G Cat1 Brass Smart Water Meter for Residential Cold Water Meter

• After-sales Service: 1 Year
• Warranty: 1 Year
• Install: Horizontal
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: DC-4G
• Medium Temperature: Cold Water
• Level Measurement: B
• Counter Instructions: Analogue
• Nominal Diameter: 15-50mm
• Application: Civil
• Principle: Speed of Water Meter
• Medium Pressure: General Water Meter
• Work Environment: Dry Water Meter
• Stucture: Wireless Communicating
• Body Material: Brass Body
• Pressure Loss: Less Than 0.063MPa
• Communication: 4G Cat1
• Working Temperature: T30/50
• Transport Package: Carton/Wooden Cases
• Specification: DN15, 20, 25
• Trademark: DC water meter
• Origin: Hebei, China
• HS Code: 9026100000
• Production Capacity: 500000PCS/Year
• Package Size: 30.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 3.000kg
• Lead Time: 15 days (1 - 5000 Pieces) ; 28 days (5001 - 10000 Pieces) ; To be negotiated ( > 10000 Pieces)

Product Description

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Product Parameters

Main Technical Parameter:
Nominal diameter	mm	15	20	25
Range Ratio	Q3/Q1	≥100
Q4	M3/h	3.125	5	7.875
Q3	M3/h	2.5	4	6.3
Q2	M3/h	0.05	0.064	0.1008
Q1	M3/h	0.025	0.04	0.063
Pressure loss grade	Δp	≤63
Max allowable pressure	Mpa	≤1
Quiescent current	uA	≤12
Water temperature	ºC	0.1---30
Mechanical reading	M3	0.0001---9999
Working time	year	≥6
Temperature grade	T30
Communication interface	4G - Cat1

Under the normal state, the water meter will be automatically put online once a day (settable). Through wireless communication, the water meter data will be uploaded to the system platform, and the relevant instructions of the system platform (parameter setting and valve control, etc.) will be received and executed at the same time.

There are touch buttons on the water meter housing. In the dormant state of the water meter, touch the button area with your finger, the red status light on the water meter will flash a little (infrared interface area), the water meter is artificially awakened and in the infrared communication state. If you continue to touch the button (3 seconds), the red indicator of the water meter will flash two times in a row, at this time the water meter will immediately go online (connect to the platform), upload the current data to the system platform and receive the instructions of the platform. The water meter in the process of uploading data, the red indicator will also flash many times in a row. After the meter data is uploaded, it will immediately enter the sleep state (low-power mode).

In order to prevent human malicious multiple triggers to go online (loss of battery power), we specifically set the interval time of button trigger line (5 minutes). That is, the interval time between two consecutive trigger line must be more than 5 minutes. At the same time, it is stipulated that the number of daily button trigger on the line should less than 8 times (the infrared communication setting instruction is not affected by the number).

When the valve is closed, long press and hold the trigger button for the first time every month for 3 seconds, and the water meter valve will open. The water meter valve will be opened to overdraft using 3m³ water. When the overdrawn 3m³ water quantity is used up, the water meter closes the valve automatically.

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