Hanna Free and Total Chlorine CAL Check Standards - HI93414-11 greenhouse ✔ 120-gallon filter life —

✔ 120-gallon filter life — extended backcountry coverage

Dirt & dust particles

Keep temperature in your target range for better results

Also Available In Smaller Packs

1 GPM Volume Resolution 1 gallon / 1 liter Alarm Set Point Fully programmable Alarm Type Audible beep Fittings 1/4" quick connect (standard RO/DI size) Power Source Two 1

Hanna Free and Total Chlorine CAL Check Standards - HI93414-11 greenhouse ✔ 120-gallon filter life —The HI93414 11 Free and Total Chlorine CAL Check Standards provide a simple solution to calibrating and validating compatible benchtop and portable photometers. This high quality set of standards is manufactured in our state of the art facility and comes supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying compatible free and total chlorine