Dragino SW3L LoRaWAN Outdoor Flow Sensor
Dragino SW3L LoRaWAN Outdoor Flow Sensor
Dragino SW3L LoRaWAN Outdoor Flow Sensor
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Dragino SW3L LoRaWAN Outdoor Flow Sensor

Price range: R3 499,00 through R3 999,00

The SW3L is a rugged, long-range LoRaWAN water flow sensor built for accurate water usage tracking. Ideal for homes, farms, and commercial irrigation, it transmits real-time flow data and detects abnormal usage like leaks or stuck valves.

With BLE and OTA support, setup and firmware updates are a breeze. Available in indoor/outdoor variants and supports major LoRaWAN platforms (EU868).

Available in One Battery Type & One Sensor Size Per Unit

Each SW3L device comes with:

One Battery Option:
• LB – Long-life lithium battery (non-rechargeable)
• LS – Rechargeable lithium with solar input

One Sensor Model Option:
• 004 – G1/2″ (21.0 mm)
• 006 – G3/4″ (26.4 mm)
• 010 – G1″ (33.3 mm)
• 020 – G2″ (59.6 mm)

Required: Battery type and Sensor Model must be selected when ordering. Each unit supports one of each

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The Dragino SW3L is a rugged, outdoor-ready LoRaWAN water flow sensor designed to track water usage in real-time. Whether for domestic, agricultural, or commercial irrigation, it sends precise flow data over long-range networks like TTN or ChirpStack, helping you detect leaks, optimize water consumption, and reduce waste.

It monitors flow volume every 20 minutes, supports alarm-based alerts for abnormal activity (like a burst pipe or stuck flush valve), and features BLE + OTA for easy remote configuration.

Available Battery variants:

SW3L-LB (Lithium Battery – Non-Rechargeable):

  • Powered by a high-capacity 8500mAh Li/SOCl₂ battery
  • Ultra-low power design — lasts up to 5 years
  • Best for off-grid or maintenance-light installations

A set-and-forget solution for remote flow monitoring.

SW3L-LS (Lithium Secondary – Rechargeable):

  • Comes with a 3000mAh Li-Ion battery + solar panel
  • Ideal for sunlight-rich environments
  • Built for sustainable, energy-autonomous deployments

Green-powered precision built for continuous outdoor use.

Available Sensor Models – Pipe Size Options:

Choose your sensor based on the pipe size and application:

Model Thread Size Pipe Size (OD) Flow Rate Conversion Typical Use Case
004 G1/2″ 21.0 mm / 2.10 cm 450 pulses = 1L Domestic taps, small drip irrigation lines
006 G3/4″ 26.4 mm / 2.64 cm 390 pulses = 1L Home gardens, JoJo tanks, micro-irrigation
010 G1″ 33.3 mm / 3.33 cm 64 pulses = 1L Larger irrigation lines, community plots
020 G2″ 59.6 mm / 5.96 cm 12 pulses = 1L Mainlines, bulk water usage, agri field feeds

Technical Highlights:

  • LoRaWAN v1.0.3 Class A (EU868)
  • Water-resistant & outdoor-rated enclosure
  • BLE v5.1 + OTA for easy firmware/config updates
  • Detects abnormal usage or continuous flow
  • Periodic + event-based uplink support

Use Cases:

  • Drip irrigation flow monitoring
  • Leak detection in toilets or tanks
  • Remote farm water usage reporting
  • Borehole / JoJo tank consumption tracking

Check out Dragino SW3L LoRaWAN Outdoor Flow Sensor User Online Manual.

Weight 290 g
Dimensions 14,5 × 10 × 5 cm
Battery Type

LB – Non-Rechargeable, LS – Rechargeable
Sensor Model

004, 006, 010, 020

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