Hanna Instruments CAL Check Standard for Free and Total Chlorine High Range

HI-97734-11 Free and Total Chlorine High Range Portable Photometer
Standard value of 4.00 ±0.20 mg/L chlorine @ 25°C
Reusable with long shelf life stability
CalCheck standards for Free & Total Chlorine HR, 0.0 and 4.00 ppm
HI-97734-11 is a high quality set of calibration standards that allows users to validate and calibrate the high range of free and total chlorine found in the HI-97734 portable photometer that has a 0.00 to 10.00 mg/L range. The HI-97734-11 includes one sealed "A" cuvette for zeroing the meter and one "B" cuvette that is used to validate or calibrate. The expected reading from the "B" standard is 4.00 ±0.20 mg/L chlorine @ 25°C. The calibration set is produced using reagent grade chemicals in a temperature controlled environment.
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Standard value @ 25°C
Reference meter NIST traceable
Provided storage containers
Light tight
Protects from accidental breakage