Product

Dragino NDDS20 NB-IoT Liquid Level Sensor

The Dragino NDDS20 is a 24GHz radar-based distance and level sensor that provides non-contact measurement for a wide range of applications. With a detection range from 0.3 to 20 meters and ±2 cm accuracy, it excels in tough environmental conditions where ultrasonic sensors may fail. Its low-power design supports long-term operation with an 8500mAh internal battery.

NDDS20 is a great choice for tank level monitoring, silo material tracking, and outdoor environment sensing. It’s particularly effective in dusty, humid, or windy settings where traditional sensors may struggle with reliability.

Highlights

  • Ideal for tanks, silos, and material stockpiles
  • Radar-based level sensing up to 20 meters
  • ±2 cm measurement accuracy
  • Battery powered for up to 10 years
  • IP66-rated enclosure for harsh environments
  • Configurable data intervals and LoRaWAN support
Field Name Value
Manufacturer Dragino
Device NameNDDS20
Model NumberNDDS20
Communication ProtocolNB-IoT
Power Source8500mAh Li-SOCI2 battery
Measurement TypeDistance / Level
Measurement Range0.3 ~ 20 meters
Accuracy±2 cm
Operating Temperature Range-40°C ~ 85°C
Ingress Protection (IP) RatingIP66
Battery LifeUp to 10 years
Mounting OptionsWall or bracket mount
Frequency BandEU868 / US915 / AS923 / CN470 / others
Data Transmission IntervalConfigurable
Antenna TypeExternal
Sensor Technology24GHz Radar
Operating Voltage3.6V
Interface TypeLoRaWAN
Display TypeNone
ColorGray
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