HI97701-11 is a high quality set of calibration standards that allows users to validate and calibrate the compatible free chlorine portable photometers that have a 0.00 to 5.00 mg/L (ppm) range. The HI97701-11 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 1.00 ±0.03 mg/L free chlorine @ 25℃.
 
Supplied with Certificate of Analysis
Lot number
Expiration date
Standard value @ 25℃
Reference meter NIST traceable
Sealed standards: 0.00 and 1.00 mg/L