SENSOR OF GAS COMPOSITION Russian patent published in 1997 - IPC

FIELD: measurement technology. SUBSTANCE: sensor of gas composition includes case which base is made of dielectric material and has pin leads-out, sensitive element in the form of crystal and heater which electrodes are connected to pin leads-out of base. Dielectric base has groove of cone form where crystal is so placed that its two angles res against groove and which opposite side is pressed by clip located in slot of trapezoidal section that is directed towards center of groove. Clip replicates form of slot and one of its ends contacting crystal is bevel. Other end of clip and outer side of dielectric base has annular groove where spring split ring is positioned. EFFECT: improved functional reliability and stability. 1 dwg