DE4019708A1
1990-06-21
Increasing lifetime of electrochemical sensors - detecting reduction of sensitivity or fault by switching row of sensors or electrodes with positive convection or diffusion gas transport
DE4019707A1
1990-06-21
Controlling gas transport to gas sensors - using liq. film over gas inlet orifice
DE4009746A1
1990-03-27
Electrochemical gas sensor - with metal-metal oxide or partially reduced metal oxide electrodes
DE4009747A1
1990-03-27
Electrochemical oxygen sensor - comprising potentiostatic cell with oxygen pumping action
DE3910037A1
1989-03-28
Electrochemical cell for use as oxygen sensor - uses an alkaline medium with opposite reactions to ensure cell-conditions remain constant
DE3910038A1
1989-03-28
Sensor arrangement having increased sensitivity stability
DE3822024A1
1988-06-30
Arrangement and method for increasing the gas selectivity in electrochemical sensors
DE3822023A1
1988-06-30
Arrangement and method for diagnosing and detecting altered states of health or disease
DE3822025A1
1988-06-30
Arrangement and method for sensor differentiation and recognizing different sensor types
DE3822022A1
1988-06-30
Arrangement for expanding the range of chemical sensors
DE3811431A1
1988-04-05
Sensor arrangement for detecting gaseous components
DE3809903A1
1988-03-24
Arrangement for controlling small air purification units
DE3732970A1
1987-09-30
Transmission of measurement and control values and warning of dangers in measurement and control devices by means of speech outputs
DE3722608A1
1987-07-09
Device and method for determining and indicating the concentration of cigarette, cigar, pipe and car-exhaust smoke
DE3718549A1
1987-06-03
Arrangement and method for detecting carbon monoxide
DE3644820A1
1986-12-31
Device and method of detecting particles
DE3644819A1
1986-12-31
Device and method for quantitatively determining fluorine, chlorine and bromine gases and other strongly oxidising gases
DE3644821A1
1986-12-31
Arrangement and method for installation and exchange of sensors in instruments of all types
