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ProCal for Hach 2100P

ProCal Primary Turbidity Standards for use with the Hach® 2100P Field Turbidimeter

ProCal Primary Turbidity Standards have been certified by HF scientific for use in the Hach® 2100P Field Turbidimeter. No formazin is used, making them safer, easier to use, accurate and less expensive that the equivalent Hach® product. In addition to being approved by the EPA, ProCal™ has been certified through testing conducted by HF scientific demonstrating that ProCal™ performs as well as Hach® primary turbidity standards in selected Hach® instruments. Test results are available upon request. Hach® is a registered trademark of the Hach Company, which is not affilitated with HF scientific.


  • Custom NTU values and quantities available
  • No formazin formula
  • Biodegradable
  • Factory certified by HF scientific for use in the Hach® 2100P Portable Turbidimeter

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific ProCal for Hach 2100P

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: