HI-97708-11 CAL CHECK™ STANDARDS FOR NITRITE HR, 0.0 AND 75 PPM

The HI-97708-11 Nitrite High Range Cal Check standards provides a simple solution to calibrating and validating the HI-97708 Nitrite High Range Photometer. This high quality set of standards is supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date for traceability.