Profile: Thermo Alko concentrates in analytical instruments. We offer a full range of water analysis instruments from pH, ISE, conductivity & dissolved oxygen meters, electrodes and solutions, to colorimetry, titration & on-line process monitors. Our new orion water quality test kits provide a portable laboratory featuring the new Orion Aquafast® IV advanced colorimeter. The rugged carrying case enables portability and storage for everything needed for on-site field-testing. Our water quality test kits include orion meters and electrodes complete with instructions to perform many common water measurements.