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

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The Dragino SW3L-004 LoRaWAN® Flow Sensor is a compact industrial water flow monitoring device designed for reliable IoT-based water usage tracking across India. Powered by LoRaWAN® LPWAN technology, this Dragino flow sensor accurately measures water flow volume and transmits data to an IoT server over long-range wireless networks. It is ideal for commercial buildings, industrial automation systems, utilities, and institutional infrastructure where continuous monitoring and leak detection are essential. The SW3L-004 supports periodic uplink reporting and abnormal flow alarm alerts to prevent water wastage and system failures. Built with a weatherproof enclosure for both indoor and outdoor installations, it ensures dependable performance even in demanding Indian environmental conditions. Available from AIoTkart®, an Authorized Dragino Distributor in India, this LoRaWAN® flow sensor is well-suited for Industrial IoT and smart water management deployments.

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  • LoRaWAN® v1.0.3 Class A compliant
  • Accurate water flow volume measurement
  • Periodic uplink (default every 20 minutes)
  • Water flow status monitoring with alarm alerts
  • Ultra-long range LoRa wireless communication
  • Weatherproof enclosure for indoor & outdoor use
  • Ultra-low power consumption design
  • Bluetooth v5.1 configuration support
  • LoRaWAN® remote configuration via downlink
  • Wireless OTA firmware update support
  • Datalog feature supported
  • Pre-loaded unique LoRaWAN® keys for easy activation

Electrical Characteristics

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

LoRaWAN® Specifications

  • Protocol: LoRaWAN® v1.0.3 Class A
  • Frequency Bands: IN865 
  • Frequency Range (HF Band): 862 ~ 1020 MHz
  • Max RF Output: +22 dBm
  • RX Sensitivity: Down to -139 dBm
  • Excellent blocking immunity

Battery Options

  • 8500mAh Li/SOCl2 battery version (SW3L-LB)
  • Solar panel + 3000mAh Li-ion battery version (SW3L-LS)

Power Consumption

  • Sleep Mode: 5uA @ 3.3V
  • LoRa Transmit Mode: 125mA @ 20dBm / 82mA @ 14dBm

Physical Details

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

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

  • Industrial automation water monitoring systems
  • Commercial infrastructure water usage tracking
  • Smart water systems and utility management
  • Cold chain facilities requiring water monitoring
  • Manufacturing plants and processing units
  • Infrastructure and municipal utility projects
  • Campuses & institutional facilities
  • Toilet flow monitoring and leakage detection
  • Waste water monitoring and conservation systems

You can purchase the Dragino SW3L-004 LoRaWAN® Flow Sensor from AIoTkart®, the Authorized Dragino Distributor in India, offering genuine products and nationwide delivery support.

Yes, the SW3L-004 supports the IN865 frequency band along with other global bands, making it suitable for LoRaWAN® deployments across India for industrial and commercial water monitoring.

The SW3L-004 is designed for both indoor and outdoor use, with a weatherproof enclosure and industrial-grade construction suitable for utilities, infrastructure, and Industrial IoT projects.

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.

Buy Dragino in India with Confidence

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