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Dragino LDDS20 LoRaWAN Liquid Level Sensor Node

DWM20072903

The Dragino LDDS20 is a LoRaWAN Ultrasonic liquid level sensor for Internet of Things solution. 

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Description

The Dragino LDDS20 is a LoRaWAN Ultrasonic liquid level sensor for Internet of Things solution. It uses non contact method to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server

The LDDS20 sensor is installed directly below the container to detect the height of the liquid level. User doesn’t need to open a hole on the container to be tested. The non contact measurement makes the measurement safety, easier and possible for some strict situation.  

 LDDS20 uses ultrasonic sensing technology for distance measurement. LDDS20 is of high accuracy to measure various liquid such as: toxic substances, strong acids, strong alkalis and various pure liquids in high-temperature and high-pressure airtight containers.

The LoRa wireless technology used in LDDS20 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.

LDDS20 is powered by 8500mA Li-SOCI2 battery; It is designed for long term use up to 10 years*.

Each LDDS20 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 

*Actually lifetime depends on network coverage and uplink interval and other factors

Features:

LoRaWAN 1.0.3 Class A

Ultra low power consumption

Liquid Level Measurement by Ultrasonic technology

Measure through container, No need to contact Liquid.

Valid level range 20mm - 2000mm

Accuracy: ±(5mm+S*0.5%) (S: Measure Value)

Cable Length : 25cm

Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865

AT Commands to change parameters

Uplink on periodically

Downlink to change configure

IP66 Waterproof Enclosure

8500mAh Battery for long term use

Applications: 

Smart liquid control solution

Smart liquefied gas solution

Package Includes:

1 x LDDS20 LoRaWAN Liquid Level Sensor x 1

Note:

Ultrasonic coupling paste and Eproxy AB glue are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.

LDDS20-XX:

XX: the default frequency band

EU433: Default frequency band EU433

CN470: Default frequency band CN470

EU868: Default frequency band EU868

IN865: Default frequency band IN865

KR920: Default frequency band KR920

AS923: Default frequency band AS923

AU915: Default frequency band AU915

US915: Default frequency band US915

Download

Datasheet

User Manual

LDDS20 v1.0 Power Analyze.pdf

Product Details
DWM20072903
147 Items
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Dragino LDDS20 LoRaWAN Liquid Level Sensor Node

The Dragino LDDS20 is a LoRaWAN Ultrasonic liquid level sensor for Internet of Things solution. 

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