HI-98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester £207.00 (exc. VAT) View Product
HI-83305-02 Multi-parameter Photometer & pH Meter for Boilers and Cooling towers £821.00 (exc. VAT) View Product
HI-991300 Waterproof pH, EC, TDS and Temperature Meter with Advanced Features £832.00 (exc. VAT) View Product