Product Details

GSM remote reading water meter:

"Gaoxiang" brand wireless remote meter is measuring water flow in pipeline, and has function of wireless data transmission. Through the radio waves to transmit data, and also, waterproof, moistureproof, prevent attacks, prevent stealing water, prevent damage, diamagnetic, anti-jamming and security performance is good, too.

Product Features :

1.Lithium battery,and accurate meter reading

Adopting photoelectric direct reading technology,can read the meter window directly.

2.Convenient meter reading,improve efficiency and reduce cost

--The efficiency is 8 times more than the traditional meter reading

3.Meter built micro-power wireless data transmission module fully digital integrated circuit design which ensure the stability and reliability of wireless data transmission.

4. Data retention and recovery: in case the battery no power, the data can be stored in the water for 10 years, when change the new battery, the data will there and safe.

5.Anti-attack function: water meter with a high reliability sensor, has a strong anti-magnetic attack capability, general external magnetic interference will not affect the normal operation of the meter, while the management system for illegal attacks users can effectively record, alarm tips, etc., to improve the reliability of the product.

6. Display and reading clearly, the base table life will be 10 years.

Module functions :

Wireless wake

Can realize remote wireless wake, real-time response PC processing instruction.

Attack close valve

Has prevention function from electric and magnetic attack, otherwise, the valve will close automatically.

Remote-controlled valve

Can control the valve remotely, to achieve prepaid and postpaid.

Tigger upload

Module is asleep at usual time, can make the module upload the real-time data by tigger.

Low power close valve

when the voltage is lower than a certain data, the module will close the valve automatically and upload the real-time data.

Power off close valve

When the power is off, the meter will close valve automatically to avoid accidential or human damage, when the power is back, the valve will return back to the before states.

Reed switch dailure detection

when one if the reed switch is broken, the meter will upload the damage indicator.

Technical data of the module:

Parameter	Content	Remarks
Working voltage	2.7v--3.6v	If under 2.7v, the valve will close, but it still can communicate and read normally
Working temperature	-20~70℃
Working humidity	10%~90% relative humidity, non-condensing
working frequency range	470~510MHz	It can be custom-made according to client request
RF modulation	LoRa modulation
Transmitted power	20dBm as most
Receive sensitivity	-136± 1 dBm
Communication distance	Open distance: 2-5Km	Testing spot is urban environment, distance is based on the environment.
Quiescent current	19 μA / h	Can achieve real-time wake up.
Sleeping current	< 10μA / h
Transmitter current	< 110μA / h
Receiving current	< 20 mA
Wake up time	Immediately

Technical data of the meter:

Product category	Wireless Direct Reading Remote Water Meter
Product category	DN15	DN20	DN25
Class measurement	B
Leakproofness	1.6 Mpa, no leaking within 15 minutes
Length	165mm	195mm	225mm
Overload flow Qmax (m³/ h)	3m³/ h	5m³/ h	7m³/ h
Normal flow Qn (m³/ h)	1.5m³/ h	2.5m³/ h	3.5m³/ h
Transitional flow Qt (m³/ h)	0.12m³/ h	0.2m³/ h	0.3m³/ h
Min flow Qmin (m³/ h)	0.03m³/ h	0.05m³/ h	0.07m³/ h
Start flow (m³/ h)	≤0.012m³/ h	≤0.016m³/ h	≤0.020m³/ h
Min reading	0.0001m³
Max reading	9999.9999m³
Error Qmin to Qt	≤±5%
Error Qt to Qmax	≤±2%
Working temperature	0.1℃--40℃ (cold meter) 0.1℃--100℃ (hot meter)
Working pressure	0.0-1.0Mpa
Material	Brass
Battery model	Lithium battery 6 years, easy replacement

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