DF520 Ultrasonic level sensors non contact no drill hole level meter with Lora/NB-IoT/GPRS/3g/4g module
The DF520 is one kind of ultrasonic liquid level sensor, which can detect the liquid level by outside bottom installation without drilling holes. The tank thickness can be up to 10mm. (For special thickness, please contact with CNDingtek for confirmation.) The resolution is 1mm or 0.1%FS (the bigger value). The measurement ranges from 0-10 meters. It can be used for kinds of tanks, including iron, aluminium alloy, plastic and etc. It is applicable for automotive, oil station, chemical storage, LPG tank, and other industrial tanks to realize realtime monitoring of storage, online inventory management, statistics and estimation of production. With LoRaWAN® module, it transmit the status via gateway to networks server and application server. User can monitor the status remotely. It is optional for different frequency, such as 470Mhz (China), 868Mhz (Europe), 915Mhz(USA), 865Mhz(India),915Mhz(Australia), 923Mhz (Australia,New Zealand). There is one version with inner battery as well as with external power supply. The battery version can work for the projects where power supply is not so easy. It is opened for customized design (OEM/ODM) on hardware or software.