Extech redox meter, RE300 Order No.: 22K0673 Manufacturer: Extech Manufacturer SKU: RE300 Standard delivery time from the manufacturer is: On Request Enter desired quantity Total Price: 147.07 € * 1 pcs. 147.0721 € 5 pcs. 132.3637 € ORP meter ORP electrode -999-999 mV ±4 mV