TriOxmatic® 700 The standard Model TriOxmatic® 700 is a rugged dissolved oxygen sensor with a very durable 50 micron thick hydrophobic membrane, a minimal flow rate of 0.5 cm/sec and a medium response time of less than 180 sec. With these features, this membrane sensor is ideally suited for any D.O measurement in biological purification stages of municipal waste water treatment plants; e.g. control of the oxygenation. The response of the sensor prevents signal disturbances due to rising air bubbles thus eliminating false readings and improved stability. This is specially important for measurements in aeration tanks. Delivery contents: Accessory box ZBK 600, 2 exchange membrane heads WP 600 / 2, 50 ml of electrolyte solution ELY / A, 50 ml cleaning solution, cleaning 1x cathode SF 300, with integrated temperature sensor NTC, 7 m cable and waterproof plug