The MTOL+ Online Turbidimeter from HF Scientific offers accurate turbidity monitoring with a low cost of ownership. EPA and ISO compliant models come equipped with ultrasonic cleaning, customizable data logging and simultaneous 4–20 mA and Modbus signal outputs. Range includes 0–10, 0–100, or 0–1000 NTU. Primary calibration can be completed in less than five minutes, while a low volume sample chamber reduces calibration costs.