Dry Type Smart Vavle Control Water Meter

 

Brand Name	NWM
Model	MJ-SDC-VC
Type	Multi-Jet
Body Material	Brass
Ratio	R80/100
Size	Dn15/20
Customized Support	OEM, ODM
Communication Port	NB-IOT / LoRa / LoRaWAN
Installation Mode	Horizontal Installation
Temperature Class	T30 (cold water)/T50
Pressure Rating	MAP1.0
Certificate	CE/ MID 2014/32/EU (In processing)/WRAS(In processing)
Place of Origin	Ningbo, China
Warranty	2 years

 

MJ-SDC-VC prepaid water meter with valve control is a multi-jet dry type water meter combined with integrated chip technology with optical sensors as well as a communication module, realizing function of wireless remote data reading and remote valve control; it complies with lSO4064:2014 standard, which is used to measure the total amount of portable water passing through the pipeline and is a perfect choice for industrial or domestic water meter application in modern smart water management.

 

 

● The transmission module and base meter is separately installed, easily exchanged. The power supply battery is independently packaged and is convenient to replace.

● Use the latest NB-loT data transmission technology, network cover wide, signal is stable and reliable.

● The transmission position is 1L.

● Based on the original base meter, it can directly install transmission module, only increase 28CM,

● The module can rotate, it's very easy and convenient to install.

● The base meter adopt the independent function pointer, after installing the electronic module, it doesn't affect any reading.

● During the process of water meter with transmission module, it often happen the problem of repeated counting because the water flow reverse and shake. Using two sensors and a special algorithm can ensure the accuracy of the count.

● The water flow meter control valve uses 26500+SPC1520 power combination technology.

 

 

 

 

Main Technical Data

The battery inside the NB-loT water flow meter control valve's module is replaceable. If the meter has already been installed, it no

need to remove the module, just directly replace the battery.

 

 

 

 

 

a. In the lower zone (Q1≤Q≤Q2): maximum permission error is ±5%;

b.In the upper zone (Q2≤Q≤Q4): maximum permission error is ±2%( T≤30℃),maximum permission error is ±3% (30℃＜T≤50℃).

 

 

 

 

 

 

■ The installation location should be protected from sunlight, freezing; pollution and water drown for easy and installation and removing.

■ Pay attention to freeze-proofing, it is suggested to protect the meter and water pipe with heat preservation materials if the environment is less than 0C to prevent its freezing and keep the battery working.

■ Valves before and after the smart meter shall be closed when the smart meter has been installed but not to be formally used or not be used for more than one week.

■ It's recommend to have upstream length 10 times of nominal diameter inlet straight pipe and 5times of nominal diameter outlet straight pipe.

■ Water flow should be in the same direction with the arrow on water meter main case; lf installed horizontally, water meter surface should face right upwards , and it cannot have any deflection from water meter outlet axis.

■ Flush the water pipe thoroughly to clear all impurities before install the water meter.

■ The prepaid water meter with valve control and pipeline should be connected by tail piece: sealing gaskets and nuts and coupling. The water meter should not be removed by force to prevent the damage to the water meter body.

■ The space above the meter should be at least 20 cm to replace battery feasible.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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