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MicroTOL Online Turbidimeter for Turbidity Testing

35 years of optical measurement expertise has allowed HF scientific to become a leader in regulatory reporting turbidimeters. The HF scientific MicroTOL Online Turbidimeter has been specifically designed to meet regulations of the EPA and ISO 7027. Features include fast and easy calibration, verification in seconds, low maintenance, fail safe design which ensures your instrument is always reading accurately, bubble rejection system, automatic continuous ultrasonic autoclean system (except MicroTOL #2 & #5 models), and a data acquisition software system that allows logging and data storage for multiple turbidimeters.


  • Low maintenance fail safe design
  • Bubble rejection system
  • Fast and easy calibration
  • Low volume sample chamber

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific MicroTOL

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: