DF556 Pressure Liquid
Level Sensor
DF556 is a pressure-based liquid level sensor, with wireless transmission module and battery.
With a submerged pressure transducer, DF556 can acheive 0.5% accuracy of the liquid height. The standard measurement range is up to 2.5m. For other cable length, please contact our sales.
It is integrated with wireless module like NB-IoT, LoRaWAN, Sigfox, CAT-M, 4G-LTE and etc. Data is uploaded to cloud server in protocol TCP, MQTT, LoRaWAN or other customized protocol. Widely applicable for liquid tanks, sewage, industrial water, pool, rivers and etc.

Features
Pressure-based
Liquid Level Detection
Wireless Transmission
Remote Monitoring
Low Power Consumption
IP67 Waterproof
Easy Installation



Network Diagram

SAAS

Users can check data Dingtek’s software application or your own applications.
Dingtek will provide protocol and manual without signing NDA after you place order.
Specifications
Liquid level accuracy : 0.5%FS
Resolution : 1mm
Dimension : 122*96*96mm(Body), 140*30*30mm(Pressure part).
Cable Length : 2.5m (Customizable)
Weight: 820g
Color: Blue (body), Silver (pressure part).
Material : ABS(body), 304#stainless steel (pressure part), PTFE (cable between pressure part and body).
Temperature range : -30℃ to 85℃
Internal Battery : Non-rechargeable Lithium Thionyl Chloride Battery, ER26500*1,8500mAh@ 3.6V
Wireless Option : NB-IoT / LoRaWAN / Sigfox / 4G-LTE / NB-IoT+Cat-M+GPRS.