Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of lorawan nb-iot smart ultrasonic water meter amr in China. If you're going to wholesale high quality lorawan nb-iot smart ultrasonic water meter amr, welcome to get pricelist and quotation from our factory.

Product Description

No Moving Parts, high accuracy for years long. No moving components in the flow sensor, avoid long-term abrasion of mechanical parts which may result in inaccurate measurement and failure of the meter. Such design is also resistant to impurities, therefore no inspections and maintenance are cost-free.

Outline Dimension Drawing

Nominal Diameter	Length L	Length L1	Width B	High H	Connecting Thread
mm					d	D
15	165	260	95	86	R	G/B
20	195	300	95	86	R	G/B
25	225	346	95	89	R	G/B
32	180	305	95	100	R1	G1/B
40	200	330	95	120	R1	G1/B

Notices for Installation

Flush pipes before installation to avoid gravel and other foreign objects;
Install a valve and filter before the water meter;
Do not touch the electrical part or pull wires to avoid damage during installation;
When the water meter is installed in a horizontal or inclined way, the ultrasonic flow probe on pipes shall be placed horizontally, and when installed vertically, make sure the water flows from down to up;
Please note that the arrow direction on the pipe shall be consistent with the water flow direction during installation;
The joint washer shall be installed correctly to avoid misaligned washer blocking water and affecting the accuracy of the water meter;
The water meter shall not be installed at a place that may be affected by strong mechanical vibrations; Special Notices:

1. Be sure to install an on-off valve and filter before the water meter and another on-off valve is recommended after it for maintenance. To prevent backflow, a check valve should be installed in front of or behind the water meter.

Before using this water meter, the pipe must be filled with water, otherwise, it will lead to inaccurate or even non-measurement;
When installing the water meter, should be reserved length of DN*10 in front of the water meter. Or should be reserved the length of DN*5 behind the water meter;
The water meter shall refresh the display every 4s, and read the water meter (including the starting value and end value) 4s at least after the valve is closed when testing the water meter, otherwise, the testing results may be affected;
Please make sure the medium flow is within the flow range of the water meter during test and use, otherwise, it may result in damage to the water meter;
In case of any malfunction (e.g. metering failed, etc.) during use, please contact the related management department immediately and do not repair it by yourself;
The product is designed with a disposable anti-disassembly seal which shall be removed only by appointed personnel, or otherwise, it shall be excluded from the free after-sales service.