HI-746-11 Calibration Check Set for the HI-746 Iron Low Range Checker HC £28.00 (exc. VAT) View Product
HI-97752 Calcium and magnesium photometer: Range: Ca: 0 to 400 mg/L, Mg: 0 to 150 mg/L £507.50 (exc. VAT) View Product
HI-97741 Total hardness and iron LR: Range Iron: 0.00 to 1.60 mg/L, Total Hardness: 0.00 to 4.70 mg/L £507.50 (exc. VAT) View Product