The A001S3 is Alvim’s standard biofilm sensor, designed for real-time detection and monitoring of bacterial fouling in industrial pipelines, cooling towers and process water. Its corrosion-resistant construction makes it particularly well suited to seawater applications.

Key specifications

• Connection to process: 1″ BSPP thread
• Materials in contact with process: Titanium (working electrode), Zinc (counter electrode), PVC (threaded connector)
• Sensitivity: 1-100% of surface covered by biofilm (first bacterial layer)
• Operating temperature: -10 to +60°C (biofilm growth monitoring: +2 to +40°C)
• Oxygen: greater than 1 ppm at maximum sensitivity
• Pressure: below 10 bar
• Conductivity: greater than 10 µS/cm
• Power supply: 12/24V DC ±20%, 500 mA
• Data communication: 4-20 mA and RS485/MODBUS RTU
• Wiring: 6-wire cable, external diameter under 8mm

Suited to applications such as cooling tower water treatment, Legionella monitoring, Clean-in-Place processes and general food safety and process water monitoring.