Est. Price

• $76.00 – $94.00

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 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
• 8500mAh Li/SOCl2 Battery (DDS20-LB)
• Solar panel + 3000mAh Li-on battery (DDS20-LS)
• Smart liquidcontrol solution
• Smart liquified gas solution

Specifications

• Common DC Characteristics:
• Supply Voltage: Built-in 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:
• Li/SOCI2 un-chargeable battery
• Capacity: 8500mAh
• Self-Discharge: <1% / Year @ 25°C
• Max continuously current: 130mA
• Max boost current: 2A, 1 second
• Power Consumption:
• Sleep Mode: 5uA @ 3.3v
• LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

Resources

• Resource
• User Guide
• Firmware

Images

Details

The Dragino DDS20-LB/LS is a LoRaWAN Ultrasonic liquid level sensor for Internet...