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DDS20-LS Solar-powered LoRaWAN Ultrasonic liquid level sensor

ODL25022401

The DDS20-LS Solar-powered LoRaWAN Ultrasonic liquid level sensor supports BLE configuration and wireless OTA update which makes users easy to use.

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$85.00
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Description

The Dragino DDS20-LS is a LoRaWAN Ultrasonic liquid level sensor for the Internet of Things solution. It uses a non-contact method to measure the height of liquid in a container without opening it and send the value via the oRaWAN network to the IoT Server.

The DDS20-LS sensor is installed directly below the container to detect the height of the liquid level. The user doesn't need to open a hole in the container to be tested. The non-contact measurement makes the measurement safe, easier, and possible for some strict situations.  

DDS20-LS uses ultrasonic sensing technology for distance measurement. DDS20-LS is of high accuracy in measuring various liquids 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 DDS20-LS allows the 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.

DDS20-LS supports BLE configuration and wireless OTA update which makes users easy to use.

DDS20-LS is powered by a solar panel + Li-ion battery, it is designed for long-term use up to 5 years.

Each DDS20-LS is pre-loaded with a set of unique keys for LoRaWAN registrations, register these keys to the local LoRaWAN server and it will auto-connect after power on.

Features: 

LoRaWAN 1.0.3 Class A

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

Ultra-low power consumption

Liquid Level Measurement by Ultrasonic Technology

Measure through the container, No need to contact Liquid

Valid level range 20mm - 2000mm

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

Cable Length: 25cm

Support Bluetooth v5.1 and LoRaWAN remote configure

Support wireless OTA update firmware

AT Commands to change parameters

Downlink to change configure

IP66 Waterproof Enclosure

Solar panel + 3000mAh Li-ion battery

Specifications:

Common DC Characteristics:

Supply Voltage: built-in 8500mAh Li-SOCI2 battery , 2.5v ~ 3.6v

Operating Temperature: -40 ~ 85°C

LoRa Spec:

Frequency Range,  Band 1 (HF): 862 ~ 1020 Mhz, Band 2 (LF): 410 ~ 528 Mhz

Max +22 dBm constant RF output vs.

RX sensitivity: down to -139 dBm.

Excellent blocking immunity

Battery:

Solar panel + 3000mAh Li-ion battery

Capacity: 3000mAh

Self-Discharge: <1% / Year @ 25°C

Max continuous current: 130mA

Max boost current: 2A, 1 second

Power Consumption:

Sleep Mode: 5uA @ 3.3v

LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

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 ways. So the default package doesn’t include it and the user needs to purchase locally.

Dimensions and Weight:

Device Size: 14.5 x 8 x 5 cm

Device Weight: 190 g

Order Info

DDS20-LS-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

Useful Link:

Datasheet

User Manual

Firmware

Certificate

Product Details
ODL25022401
150 Items
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DDS20-LS Solar-powered LoRaWAN Ultrasonic liquid level sensor

The DDS20-LS Solar-powered LoRaWAN Ultrasonic liquid level sensor supports BLE configuration and wireless OTA update which makes users easy to use.

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