Cerlic Controls, Inc.
About
Cerlic Controls, headquartered in Kennesaw, Georgia, specializes in optical sensor instrumentation for water quality monitoring, positioning itself as the only provider offering a complete line of suspended solids meters for both water treatment plants and wastewater treatment plants. The company's two flagship sensor platforms — C-tron and BB2 — cover total suspended solids, dissolved oxygen, pH, ORP, and open channel flow, with all sensors featuring stainless steel construction and self-cleaning mechanisms for reliable deployment in harsh treatment environments. The C-tron controller supports simultaneous multi-parameter monitoring with four 4-20 mA analog outputs and Modbus RTU/TCP communication, while the BB2 controller accepts up to four sensor inputs in various parameter combinations. The C-tron series includes submersible TSS sensors (TSS, TSS-IL inline, TSS-LC low concentration), dissolved oxygen (OXYGEN sensor with optical electrode or Clark cell options), flow measurement (FLOW sensor for flumes and weirs), and process monitoring (PHX pH and REX ORP sensors). The BB2 series adds the ITX20 submersible TSS sensor, CTX2025 flow-through sensor, ITX-IL inline sensor, CTX2025 LC low-concentration sensor, O2X dissolved oxygen sensor, CMC microwave total solids sensor for high-concentration sludge applications, FLX flow sensor, PHX and REX pH/ORP sensors, and the CBX automatic sludge blanket level monitor that descends into clarifiers for accurate blanket detection. Cerlic also offers the MT portable controller for field verification and calibration, alongside compressor and sample pump accessories.
Key Products
Multi-parameter control unit supporting up to four simultaneous sensor inputs with 4-20 mA analog output and Modbus RTU/TCP communication
Submersible optical sensor for total suspended solids measurement in process tanks at water and wastewater treatment plants
Inline suspended solids sensor for in-pipe measurement of RAS, WAS, MLSS, and sand filter backwash concentrations
Low-concentration suspended solids sensor providing accurate TSS readings for final effluent monitoring and regulatory compliance
Submersible dissolved oxygen sensor using optical electrode or Clark cell technology for aeration basin monitoring
Open channel flow sensor measuring flow rate as a function of liquid depth through flumes and weirs
pH measurement sensor compatible with C-tron controllers for process monitoring and control
ORP oxidation-reduction potential sensor for process control in biological treatment systems
Submersible TSS sensor with durable stainless steel and self-cleaning construction for process control readings
1-inch flow-through TSS sensor providing accurate suspended solids measurement across varied applications
Low-concentration 1-inch flow-through TSS sensor for final effluent and reuse water monitoring
Inline TSS sensor for pipe measurement of RAS, WAS, MLSS, and sand filter backwash processes
Dissolved oxygen sensor with optical electrode or Clark cell options for aeration and process control
Microwave total solids sensor for high-concentration sludge and solids applications where optical sensors saturate
Open channel flow measurement sensor compatible with BB2 controller for flume and weir applications
pH and ORP sensors for standalone or integrated monitoring with BB2 controller platform
Automatic sludge blanket level monitor that descends into clarifiers and retracts to provide accurate blanket detection
Handheld portable controller for field use with Cerlic sensors enabling on-site calibration and verification
Air supply units powering the self-cleaning mechanism on Cerlic optical sensors for maintenance-free operation
Peristaltic or diaphragm pumps for delivering water samples to inline sensor measurement points
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