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Contact Hanna: (65)6296-7118
Hanna Instruments Worldwide
Contact Hanna: (65)6296-7118

Free Chlorine and Ultra High Range CAL Check™ Standards – HI97771-11

$332.00

In stock

The HI97771-11 Free Chlorine and Ultra High Range Chlorine CAL Check™ Standards provide a simple solution to calibrating and validating the HI97771 portable photometer. The standards are used for both the 0.00 to 5.00 mg/L (ppm) low range free chlorine and the 0 to 500 mg/L (ppm) ultra high chlorine range. 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 the HI97771 photometer.

  • Supplied with Certificate of Analysis

  • Standard value of 1.00 ±0.02 mg/L for low range and 100 ±2 mg/L chlorine for ultra high range @ 25℃
  • Reusable with long shelf life stability