Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of dn300 wireless remote ultrasonic water meter in China. If you're going to wholesale high quality dn300 wireless remote ultrasonic water meter, welcome to get pricelist and quotation from our factory.
Product Description
It is a metering instrument to continuously measure, record, and display the volume of water flowing through the sensor by use of the ultrasonic time difference method. Please read this manual carefully before use, to use it to the best advantage and avoid unnecessary loss.
Product features
▲Unaffected by impurities, chemicals, and magnetic materials in the medium;
▲Low starting rate (33L/h), able to accurately measure the flow rate;
▲High measurement frequency;
▲Flow rate can be as low as 100L/h;
▲Dynamic range (Q3/Q1) up to 250:1;
▲Installed in any installation position;
▲Bidirectional metering;
▲Display of error and alarm codes;
▲Optional battery supply;
▲Material ductile cast iron;
▲No moving parts, high accuracy, and years of service life. The flow sensor has no moving parts, avoiding instrumentation failures of mechanical parts that can lead to inaccurate measurements due to long-term wear. The design is also resistant to impurities, making it inspection and maintenance-free;
▲ Low-pressure drop;
▲ IP68 protection class can adapt to a variety of harsh installation environments;
▲Support RS485 communication, pulse output, GPRS, NB-IOT, LoraWan, and other data transmission methods.
interface/communication
The ultrasonic water meter will have one of the many options output pre-selected when placing the order. This section will describe each output:
Modbus/RS485 output
Pulse output
Wireless output
Modbus/RS485 output
Pulse Output (Battery Powered)
Pulse output parameters:
Open-drain output
Voltage 3V～24V
Low-level single pulse
Pulse duration: 5ms
GPRS/NB-IOT wireless transmission
Data Collector
|
Data name |
Parameter |
|
Static power |
15uA |
|
Power consumption |
60mA@RX |
|
Control box |
Plastic |
|
Online method |
Touch or automatically go online |
|
Reporting interval |
How often to send data: once every three days or once a day (The higher the sending frequency, the shorter the battery life) |
|
Sending bit |
0.1m³ |
|
Power supply |
3.6VDC |
|
Battery capacity |
8.5Ah |
|
Uplink interface |
GPRS/NB-IOT |
|
Downlink interface |
RS485 |
Data Transmission Unit
|
Data name |
Parameter |
|
Static power |
15uA |
|
Power consumption |
60mA@RX |
|
Control box |
Plastic |
|
Online method |
Touch or automatically go online |
|
Reporting interval |
How often to send data: 1～144 h can be set(Default once a day) Can be connected to the pressure collection device |
|
Sending bit |
0.1m³ |
|
Power supply |
3.6VDC |
|
Battery capacity |
18Ah/36Ah |
|
Uplink interface |
GPRS/NB-IOT |
|
Downlink interface |
RS485 |
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