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Dragino DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor

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₹ 8,300.00
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Dragino DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor

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Dragino DDS20-LB is a LoRaWAN® ultrasonic liquid level sensor designed for non-contact level monitoring in water tanks, containers, industrial vessels and remote water management applications. It uses ultrasonic sensing to measure liquid levels over a valid range of 20 mm to 2000 mm with an accuracy of ±(5 mm + S × 0.5%), where S is the measured value. The DDS20-LB supports LoRaWAN 1.0.3 Class A communication, Bluetooth 5.1 configuration, LoRaWAN remote configuration and wireless OTA firmware updates. Its ultra-low-power design and 8500mAh Li-SOCl2 battery support long-term field deployment, while the IN865 frequency option makes it suitable for LoRaWAN liquid level monitoring applications in India.

₹ 8,300.00 8300.0 INR ₹ 8,300.00

₹ 8,300.00

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  • Non-contact ultrasonic liquid level measurement
  • No need to open or drill the container
  • LoRaWAN® 1.0.3 Class A compliant
  • IN865 and global band support
  • Valid level range: 20mm – 2000mm
  • High accuracy: ±(5mm + S×0.5%)
  • IP66 waterproof enclosure
  • Bluetooth v5.1 configuration
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware updates
  • Ultra-low power consumption
  • Designed for up to 5 years operation

Measurement Specifications

  • Technology: Ultrasonic (non-contact)
  • Valid Level Range: 20mm – 2000mm
  • Accuracy: ±(5mm + S×0.5%)
  • Cable Length: 25cm

Common DC Characteristics

  • Supply Voltage: Built-in battery (2.5V ~ 3.6V)
  • Operating Temperature: -40°C to +85°C

LoRa Specifications

  • Frequency Range:
    • HF Band: 862 ~ 1020 MHz
    • LF Band: 410 ~ 528 MHz
  • Supported Bands: IN865
  • Max RF Output: +22 dBm
  • RX Sensitivity: Down to -139 dBm
  • High interference immunity

Battery (DDS20-LB)

  • Type: Li/SOCl₂ (Non-rechargeable)
  • Capacity: 8500mAh
  • Self-Discharge: <1% per year @ 25°C
  • Max Continuous Current: 130mA
  • Max Boost Current: 2A (1 second)

Solar Version (DDS20-LS)

  • Solar Panel
  • 3000mAh Li-ion rechargeable battery

Power Consumption

  • Sleep Mode: 5µA @ 3.3V
  • LoRa Transmit Mode:
    • 125mA @ 20dBm
    • 82mA @ 14dBm

Mechanical

  • Enclosure: IP66 waterproof
  • Device Size: 14.5 × 8 × 5 cm
  • Device Weight: 190 g

The DDS20-LB/LS is ideal for:

  • Smart liquid level monitoring
  • Industrial tank monitoring
  • Chemical storage monitoring
  • Liquefied gas tank monitoring
  • Water storage management
  • Hazardous liquid monitoring
  • High-pressure sealed container measurement
  • Smart city liquid control systems

No. It is a non-contact sensor installed externally under the container.

Yes. Since it does not contact the liquid, it is ideal for toxic or corrosive substances.

Yes, it supports IN865 along with other global LoRaWAN® bands.

Documents

User Manual
 Download

DDS20-LB_Datasheet

Download

DDS20-LB_Firmware 

Download

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