The DIRUI CS-400 analyzer is ideal for laboratories with an average productivity of 1200–2000 biochemical tests per day (100–150 patients for 10–15 parameters). Two cooled rotors for reagents with 90 positions. Rotor for samples, controls and calibrators with 115 positions. Reaction rotor for 120 reusable plastic cuvettes. Optionally equipped with an ion selective unit (ISE) with a capacity of up to 400 potentiometric tests per hour. It is controlled using an external computer with special software in Russian.