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SW3L-LS-004 LoRaWAN® Flow Sensor
SW3L-LS-004 LoRaWAN® Flow Sensor
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SW3L-LS-004 LoRaWAN® Flow Sensor

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The Dragino SW3L-LS-004 LoRaWAN® Flow Sensor is an industrial-grade water flow monitoring solution designed for reliable remote metering and leak detection across India. Built on LoRaWAN® technology, this Dragino flow sensor measures water flow volume and transmits data securely to IoT servers over long distances with ultra-low power consumption. Ideal for buildings, utilities, and industrial infrastructure, the SW3L-LS-004 supports periodic data uploads and instant alarm notifications in case of abnormal water usage. As an Authorized Dragino Distributor in India, AIoTkart® supplies genuine SW3L-LS-004 devices for Industrial, Commercial, and Institutional IoT deployments with PAN-India shipping and technical support.

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  • LoRaWAN® v1.0.3 Class A protocol support
  • Accurate water flow volume monitoring
  • Periodic uplink (default 20 minutes)
  • Instant alarm for abnormal flow or leakage
  • Industrial-grade weatherproof enclosure (indoor/outdoor use)
  • Ultra-low power consumption design
  • 8500mAh Li-SOCl2 battery (SW3L-LB variant)
  • Solar panel + 3000mAh Li-ion battery option (SW3L-LS variant)
  • Bluetooth v5.1 configuration support
  • Remote configuration via LoRaWAN®
  • Wireless OTA firmware upgrade
  • Datalog feature support
  • Pre-configured LoRaWAN® keys for easy activation

Common DC Characteristics

  • Supply Voltage: Built-in Battery, 2.5V ~ 3.6V
  • Operating Temperature: -40°C to +85°C

LoRa Specifications

  • Frequency Range: 862 ~ 1020 MHz
  • Supported Bands:  IN865 
  • Max RF Output: +22 dBm
  • RX Sensitivity: Up to -139 dBm
  • Excellent blocking immunity

Battery Specifications

  • Type: Li/SOCl2 (non-rechargeable)
  • Capacity: 8500mAh
  • Self-Discharge: <1% per 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

Mechanical Details

  • Package Size: 14.5 × 10 × 5 cm
  • Weight: 290 g

The Dragino SW3L-LS-004 LoRaWAN® Flow Sensor is suitable for:

  • Industrial automation water monitoring
  • Commercial infrastructure water metering
  • Building water management systems
  • Toilet flow monitoring and leak detection
  • Waste water monitoring systems
  • Cold chain facility utilities monitoring
  • Manufacturing unit water usage control
  • Smart utility and municipal water systems
  • Educational campuses & institutional infrastructure

You can buy the genuine Dragino SW3L-LS-004 LoRaWAN® Flow Sensor from AIoTkart®, an Authorized Dragino Distributor in India offering PAN-India delivery, bulk supply, and institutional support.

The SW3L-LS-004 measures water flow volume and transmits data to a LoRaWAN® gateway over long distances. The gateway forwards data to a network server or cloud platform, enabling remote monitoring, alerts for abnormal usage, and long-term water analytics for Industrial IoT deployments in India.

Yes, the SW3L-LS-004 features a weatherproof enclosure and wide operating temperature range (-40°C to +85°C), making it suitable for both indoor and outdoor industrial and commercial installations.

Documents

SW3L-LS_User_Manual

Download

SW31-LB_Datasheet 

Download

SW31-LB_Firmware 

Download

Why Buy Dragino & Industrial IoT Products from AIoTkart® in India?

AloTkart® is an Authorized Dragino Distributor in India, supplying genuine LoRaWAN® gateways, sensors, and Industrial lot devices with full warranty and technical support.

Authorized Dragino Distributor in India

Purchase 100% genuine Dragino LoRaWAN® gateways, nodes, and loT solutions backed by manufacturer warranty.

Guaranteed Genuine Industrial IoT Equipment

No gray market products - only certified Dragino and industrial-grade loT hardware.

Fast PAN-India Shipping

Reliable delivery across India for startups, system integrators, enterprises, and government projects.

LoRaWAN® Deployment & Technical Support

Expert guidance for LoRaWAN® network setup, gateway configuration, sensor integration, and industrial deployments.

Bulk Supply for Large-Scale Projects

Competitive pricing and assured stock for institutional, industrial, and system integration requirements.

Trusted Industrial IoT Supplier in India

Serving smart cities, utilities, agriculture, manufacturing, research institutions, and enterprise loT projects.

Buy Dragino in India with Confidence

Explore our range of LoRaWAN® gateways, sensors, and Industrial lot devices today.