Hanna HI97701-11 Free & Total Chlorine CAL Check Standards CR 3200 Sample vial set

Sample vial set

Breathability: Allows for comfort during extended wear

or small gel cell battery

Special geometries

on SC1000/2000/3000 or powered SC3500/4500 reels

Hanna HI97701-11 Free & Total Chlorine CAL Check Standards CR 3200 Sample vial setThe Hanna HI97701 11 is a set of CAL Check performance verification standards for free and total chlorine photometers a fast, traceable way to confirm your meter is reading correctly without sending it to a lab. Key features NIST traceable CAL Check standards with a Certificate of Analysis for traceability Verify photometer accuracy at any time; recalibrate to the standard if out of specification Reusable, ready made standards Use with: Hanna HI977XX