An organic electroluminescence display device is provided. The apparatus includes a source of a mixture of a compressed fluid solvent and an organic material. The shaft has a working inner portion and a working outer portion. Counteroscillator of the measuring transducer of the invention is formed by means of two counteroscillator plates, of which a first counteroscillator plate is arranged on the left side of the measuring tube and a second counteroscillator plate is arranged on the right side of the measuring tube.