Extech redox meter, RE300 Order No.: 22K0673 Manufacturer: Extech Manufacturer SKU: RE300 Standard delivery time from the manufacturer is: 2 Weeks Enter desired quantity Total Price: 152.77 € * 1 pcs. 152.7722 € 5 pcs. 137.4926 € ORP meter ORP electrode -999-999 mV ±4 mV