Multi-light absorption unit designed as attenuation meter
DE4119052A1
Throughput measurement cell for liquid electrolyte conductivity measurement, e.g. in sea water - has central measurement section consisting of joint between wider and narrower tube with pick=up and field electrodes
DE3830059A1
Arrangement and method for high precision pressure measurement in situ by means of the pressure dependency and temperature dependency of electrical resistances of suitable liquids or pasty substances
DE3736499A1
Arrangement and process for welding water samples in situ with films
DE3641645A1
Method and arrangement for rapidly measuring the content of dissolved gaseous substances, in particular oxygen, but also other substances, in liquid media, for example the sea
DE3539156A1
Method and device for measuring density in media by means of oscillations of high frequency stability
DE3535102A1
Method for measuring an alternating or alternating-current bridge signal voltage at high speed and with high precision
DE3407602A1
Voltage and resistance transformation of low-impedance voltage sources with currentless voltage pickup and preservation of the signal/noise ratio
DE3239072A1
Resistance converter with a currentless connection of the primary circuit of a transformer to the object to be measured
DE3238956A1
Precision cell for measuring electrolytic resistances or conductivities
DE3234146A1
Flowmeter with heat pulse marking
DE3234145A1
Pressure-protected and/or insulated temperature sensor with extremely small time constant
DE3024887A1
Direct high precision temp. measurement - using small resistances arranged with long or augmented measurement medium leakage paths
DE2910957A1
Electric temp. sensor with low time constant - uses naked resistance wire whose dimensions provide low resistance compared with that of measured medium
DE2842970A1
Filter system to monitor plankton content of water - uses 10-20 micron mesh band with coarse mesh sheet cover sandwiched between transparent protective sheets after band leaves filter section
DE2700016A1
Acoustic velocity measurement of slow moving media - using periodically interchanged piezo transducers operating at HF
DE2639302A1
Optical system for measuring attenuation - has multipath transmission for reduced light energy loss in measuring opacity of sea water
DE2517952A1
Direct measurement of optical and other quantities - uses sinusoidally modulated light source to determine differences and quotients
DE2516047A1
Two phase AC voltage bridge - effects linearisation of functional relation between phase angle or time interval and test value
DE2510651A1
Optical attenuation measuring system for oceanic research etc - enables attenuation differences and quotients to be measured
