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SW3L-LB-004 LoRaWAN® Flow Sensor
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SW3L-LB-004 LoRaWAN® Flow Sensor

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The Dragino SW3L-LB-004 LoRaWAN® Flow Sensor is a long-range, battery-powered water flow monitoring device designed for Industrial, Commercial, and Institutional deployments across India. Built using LoRaWAN® technology, this Dragino flow sensor accurately measures water flow volume and transmits data to IoT servers over low-power wide-area networks. The SW3L-LB-004 supports periodic uplink reporting and instant alarm notifications for abnormal water flow, helping prevent water wastage and leak-related losses in buildings and infrastructure. Designed for both indoor and outdoor installations, it features a weatherproof enclosure and industrial-grade 8500mAh battery for long-term operation. AIoTkart®, as an Authorized Dragino Distributor in India, supplies genuine SW3L-LB-004 LoRaWAN® Flow Sensors with PAN-India delivery and project-level deployment support.

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  • LoRaWAN® v1.0.3 Class A compliant
  • Accurate water flow volume monitoring
  • Periodic data uplink (default every 20 minutes)
  • Instant alarm for abnormal flow or leakage detection
  • Industrial-grade weatherproof enclosure
  • Ultra-low power consumption design
  • 8500mAh Li/SOCl2 battery (SW3L-LB variant)
  • Up to 5 years battery life (deployment dependent)
  • Bluetooth v5.1 configuration support
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware upgrade
  • Datalog feature support
  • Pre-loaded unique LoRaWAN® keys for quick 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-LB-004 LoRaWAN® Flow Sensor is ideal for:

  • Industrial automation water monitoring systems
  • Commercial building water usage tracking
  • Smart water management in infrastructure projects
  • Toilet flow monitoring and leak detection
  • Waste water monitoring applications
  • Cold chain facility utility management
  • Manufacturing plant water consumption control
  • Smart utilities and municipal water systems
  • Campuses & institutional water infrastructure

You can purchase the genuine Dragino SW3L-LB-004 LoRaWAN® Flow Sensor from AIoTkart®, an Authorized Dragino Distributor in India offering nationwide delivery and bulk supply for industrial and institutional projects.

Yes, the SW3L-LB-004 supports LoRaWAN® v1.0.3 Class A protocol and is compatible with standard LoRaWAN® gateways operating on supported frequency bands including IN865, making it suitable for industrial IoT water monitoring deployments across India.

The SW3L-LB-004 is powered by an 8500mAh Li/SOCl2 battery and can operate for up to 5 years depending on reporting interval, network conditions, and environmental factors.

Documents

SW3L-LB_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.

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