MILESIGHT - LoRaWAN capacitive level sensor

Presentation - EM300-CL-868M

The EM300-CL-868M is a non-invasive capacitive level sensor, designed for continuous monitoring of liquids (soap, hydroalcoholic gel, chemicals) in tanks or dispensers without interrupting service. It uses the LoRaWAN® EU868 band for long-range, low-power transmission, with a battery life in excess of 10 years.

Applications - EM300-CL-868M

• Monitoring of soap or hydroalcoholic gel levels in washroom dispensers
• Monitoring of chemical and additive tanks
• Replenishment alerts and stock management
• Integration into smart building and connected washroom solutions

Key features - EM300-CL-868M

• Non-contact capacitive detection to preserve liquid cleanliness
• High accuracy and interference immunity
• IP67 enclosure for use in humid or dusty environments
• Battery life > 10 years (3 alerts/day at 25°C)
• NFC configuration via mobile app
• Remote management and visualization via Milesight IoT Cloud

Technical specifications - EM300-CL-868M

• Wireless technology: LoRaWAN® EU868, OTAA/ABP, Class A
• Frequency range: EU868
• Measuring principle: non-contact capacitive sensor
• Power supply: 1 × 4000 mAh ER18505 Li-SOCL₂ (expandable to 2 batteries)
• Autonomy: > 10 years (3 alarms/day, 25 °C)
• Operating temperature:
• -20 °C to +60 °C
• Humidity: 0% to 95% non-condensing
• Materials: ABS + PC transceiver housing (white), plastic electrode (black)
• Protection rating: IP67 transceiver, IP30 electrode
• Transceiver dimensions:
• 105.6 × 85.2 × 27 mm
• Electrode dimensions: 56.8 × 25.5 × 0.2 mm
• Electrode cable length: 1 m
• Weight: 110 g (with battery)
• Installation: transceiver wall-mounted (3M screws/adhesive), electrode mounted with clamps or 3M adhesive tape