Biofilm Monitoring System

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Early Detection of Bacterial Growth on Surfaces

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April 11 2024

The ALVIM real-time, online, Biofilm Monitoring System is able to detect bacterial settlement since its first phases (down to 1% of surface covered by microorganisms). Basing on ALVIM data it is possible to adjust and optimize water treatments / biocide treatments, verifying, at the same time, the efficacy of the sanitation. ALVIM Biofilm Sensors are used worldwide in many different fields, ranging from industrial cooling waters to Food and Beverage, Pulp and Paper, Oil and Gas and others, including many Fortune 500 Companies.

Pros & Limitations

Early warning detection of bacterial biofilm growing on pipelines, tanks, heat exchangers and RO membranes

While fouling sensors detect "generic deposit", ALVIM probes detect bacterial biofilm

Optimisation of cleaning and sanitation treatments (biocides, disinfectants)

Easy to install and operate, virtually maintenance-free probe

Real-time, continuous biofilm monitoring system with high sensitivity, modularity and scalability

Cannot work at low concentrations of oxygen (<1 ppm) and low conductivity (<10 microS/cm)

Specification

Specification Title	Specification Description
Connectivity	1" BSPP threaded connector \| 4 - 20 mA RS485/MODBUS RTU
Dimension	190 mm x 90 mm
Operating conditions	Operable at oxygen levels greater that 1 ppm
Power	12V DC ±20%, 150 mA
Pressure class	< 10 bar
System Requirements	PC with Windows XP/7/8/10 or SCADA (PLC/DCS), 1 GHz CPU, 512 Mb RAM, 200 Mb of free space on hard drive, RS485 serial connector
Temperature	-10°C < T < +60°C