Free Chlorine Calibration Standards Checking Set, Hanna Instruments, HI701-11

 HI 701-11 is the high quality calibration checking set for validation of the Checker®HC Free Chlorine Colorimeter (90-2619-01). The set consists of two cuvettes—a zero cuvette and a 1.00 ppm ± 0.05 ppm free chlorine sample @ 25°C standard cuvette. The set is supplied with a certificate of analysis which includes product code, lot number, and expiration date.