The Dragino SW3L-LS is a LoRaWAN Flow Sensor. It detects water flow volume and uplinks to the IoT server via the LoRaWAN network. Users can use this to monitor the water usage for buildings.
The SW3L-LS will send water flow volume every 20 minutes. It can also detect the water flow status and send an Alarm, to avoid waste from water usage such as a broken toilet case.
SW3L-LS is designed for both indoor and outdoor use. It has a weatherproof enclosure and industrial-level battery to work in low to high temperatures.
The LoRa wireless technology used in SW3L-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.
SW3L-LS supports BLE configuration and wireless OTA update which makes users easy to use.
Solar-powered + Li-ion battery powers SW3L-LS, designed for long-term use for up to 5 years.
Each SW3L-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 v1.0.3 Class A protocol
Bands:CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
Ultra-low power consumption
Upload water flow volume
Monitor water waste
AT Commands to change parameters
Supports Datalog feature
Support Bluetooth v5.1 and LoRaWAN remote configure
Support wireless OTA update firmware
Uplink on periodically and open/close event
Downlink to change configure
Solar panel + 3000mAh Li-ion battery
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
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:
Flow Sensor application
Water Control
Toilet Flow Sensor
Monitor Wastewater
Package Includes:
SW3L-LS Water Flow Sensor x 1
Dimension and weight:
Package Size: 14.5 * 10 * 5 cm
Weight / pcs: 290 g
Order Infor
Part Number: SW3L-LS-XXX-YYY
XXX: The default frequency band
AS923: LoRaWAN AS923 band
AU915: LoRaWAN AU915 band
EU433: LoRaWAN EU433 band
EU868: LoRaWAN EU868 band
KR920: LoRaWAN KR920 band
US915: LoRaWAN US915 band
IN865: LoRaWAN IN865 band
CN470: LoRaWAN CN470 band
YYY: Flow Sensor Model:
004: DW-004 Flow Sensor: diameter: G1/2” / DN15. 450 pulse = 1 L
006: DW-006 Flow Sensor: diameter: G3/4” / DN20. 390 pulse = 1 L
010: DW-010 Flow Sensor: diameter: G 1” / DN25. 64 pulse = 1 L
020: DW-020 Flow Sensor: diameter: G 2” / DN50. 12 pulse = 1 L
Useful Link:
Datasheet
User Manual
Certificate
Firmware
