and HI9811-5 portable multiparameter meters

MW605 meter

PPM 500 (TDS)

✅ 100 gallons or 90 days per filter — lasts up to 2× longer than common pitcher filters

Slower water production rate

Hanna Free and Total Chlorine CAL Check Standards - HI93414-11 858502005111 and HI9811-5 portable multiparameter metersThe 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