HI-97104 pH, Alkalinity, Free and Total Chlorine and Cyanuric Acid portable photometer £488.50 (exc. VAT) View Product
HI-83305-02 Multi-parameter Photometer & pH Meter for Boilers and Cooling towers £821.00 (exc. VAT) View Product
HI-2004-1005 ORP electrode with PTFE junction, Pt sensor, BNC 5m cable £676.50 (exc. VAT) View Product