Shenzhen Qianhai Lensen Technology Co., Ltd.

China Manufacturer with main products: RF Module, Radio Modem, Di Do Module, Data Transceiver, Ai Module, Ao Module, Wireless Data Sulition, Automation Solution

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Wireless Water Tank Monitoring System 1km ON-off Control

FOB Reference Price: $ 270
Wholesale: 2 Piece(s)
Supply Ability: 600 Piece(s) per Month
Shipping: express
Payment Terms: T/T, Western Union
Update Time: 2018/3/7
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: standard

Quick Details

  • Brand Name: Lensen
  • Frequency: 433MHz
  • Frequency Range: 429-436
  • Polarization: no
  • Weight: 0.6



Monitor remote side water tank's level value and reveal on touch panel

Switches on the pump when the water in the remote tank goes low level.

Switches off the pump when the water in the remote tank reaches high level.

Wireless connection, no need to switch ON/off the pump manually.

No more overflow thus saving water electricity & manpower.

Easy installation. No communication fee. 

Hardware needed:

1. 24V DC Power supply (12V customize)

2. Thrown-in level sensor

3. LS-RAI02 analog acquisition module


5. LS-RDIO0202B (with antenna)

6. Solid state relay

7. HMI


System diagram

Wireless Water Tank Monitoring system 1km ONOFF control 

how to connect tank side

Connect level sensor with our LS-RAI02

Wireless Water Tank Monitoring system 1km ONOFF control


about LS-RAI02

It is an analog acquisition module. OK to collect 4-20mA analog signal and wireless transmit to remote side. Support 2-wire sensor or 3-wire sensor. in this application, you use only 1AI.


433MHz or 450MHz or 470MHz

Power output

1W for 2km LOS control



Input type

4-20mA or 0-5V

Resolution ratio

24 bit



Power supply

9-36V DC    usually use 24V DC



Channel No.

16ch default, can program via DIP switch

Working temperature

-35 °C ~ +75 °C industrial



Fix way

Standard 3.5 inch industrial DIN Guild rail

Wireless Water Tank Monitoring system 1km ONOFF control


how to connect pump sidE

LS-RDIO0202 has 1 relay output, wireless RS485 port A3 and B3 to connect with HMI.

about LS-RDIO0202. in this project, you use only 1 output.


Power output:


Power supply:

9V-30V (choose 24V DC or 12V DC)

Control distance:

3km  or  (1km version)


2 relay output, contact AC250V/5A,DC30V/5A

Transmitting current:


Communication port

RS485 (wireless RS485)


433MHz,400, 450,470 or other band

Channel No:

16 Channels, can change via DIP switch




-35℃~+75℃( industrial)

Mounting method:

Standard 3.5 inch industrial guild rail


how to set channel and ID

2 modules should set with the same ID, the same channel.

One set as master and one set as slave

Wireless Water Tank Monitoring system 1km ONOFF control

about the HMI program

If you could write HMI yourself, that'S better. If not, we can also provide you HMI with program.

Any further questions about it, welcome to contact Sunny freely.


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Communicate with Supplier

Ms. Sunny Chou
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