The Dragino SW3L-CB is a 4G Flow Sensor. It detects water flow volume and uplink to IoT server via the 4G network. User can use this to monitor the water usage for water tanks or buildings.
The SW3L-CB will send water flow volume every 20 minutes. It can also detect the water flow status and send Alarms to avoid the waste and is designed for both indoor and outdoor use with a weatherproof enclosure and ind. to work in low to high temperatures with an indsustrial battery designed for long-term use up to several years.
15mm, 20mm, 25mm and 40mm options availale
from $490.00 incl. 12 month 4G & management app subscription
all prices include GST © 2026 Nuvola Solutions