Gas partial pressure sensor - with threaded parts with hard and soft sealing contact portions
DE3922147A1
Gas partial pressure sensor with an electrolyte compartment sealed by a membrane
DE3507902A1
Fusing-wire trip device for underwater use
DE3430264A1
Apparatus for determining the content of suspended matter in water
DE3430263A1
Measurement device for sediments which are suspended in watercourses
DE3408800A1
Probe for polarographic gas determination and a method of producing it
DE3247722A1
Polarographic pO2 test probe
DE2950862A1
Sound wave propagation time measuring system - uses phase-shift of wave train at centre of successive bursts
DE2950902A1
Sound wave propagation time measuring system - has reception circuit supplied with reference signal alternating with transducer signal, and is esp. for flow rate measurement
DE2922099A1
Spar buoy for near-surface oceanographic measurements - has bendable tube through float extendable and flexibly connected to instrument carrier
DE2911704A1
Sound drag fluid flow speed sensor - has transmitter and receiver heads with sound path completed by reflectors
DE2834817B1
Electronic magnetic compass with crossed magnetic cores in which alternating fields are superimposed on the constant field to be determined
DE2814877A1
Electrical safety lighting system for traffic signals - has encapsulated parallel connected LEDs and power supply circuit integrally cast in plate
