Lovibond® Reference Standard Kit Chlorine 0.5 & 2.0 mg/l, for PM 600 / 620 / 630 The reference standards are designed to check the accuracy and the reliability of the results. It is not possible to calibrate the photometer with the reference standards. (1 per EA)
Lovibond® Reference Standard Kit Chlorine 0.5 & 2.0 mg/l, for PM 600 / 620 / 630 The reference standards are designed to check the accuracy and the reliability of the results. It is not possible to calibrate the photometer with the reference standards.