M100 Plus

M100+ Laboratory Turbidimeter for Verifying Operation of Online Turbidimeters

  • Auto Ranging from 0 to 4000 NTU Instrument senses the turbidity level of sample and automatically adjusts the measurement range
  • Calibration Alert prompts the operator when calibration is required
  • Simple Calibration Procedure, initiate calibration with the press of a button
  • Includes a USB port for downloading logged data and firmware updating

Select options below to identify the UPC, Order Code, and Repair Kit for a specific M100 Plus

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA