Electronic tube and vacuum tube catalog

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Contact-type vacuum thermocouple with heater wire joined directly to the thermojunction. It converts electrical current into a small thermoelectric voltage for precision current measurement.

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B9G

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9 pins

Omegatron mass-spectrometer sensing tube with platinum electrodes and tungsten cathode. It analyzes residual gases by separating ions according to mass-to-charge ratio and measuring partial pressures.

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Convectron vertical-reference sensor using heated filaments and gas convection to detect tilt electronically. Two units can form an orthogonal bridge system for precision inclination measurement.

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Heater	6.3 V / 127 mA
Plate	17 V
Ik max	12 mA
rP	2,000 Ω

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Russian mechanotron transducer using a movable electrode to measure excess pressure electrically. Mechanical pressure displacement changes electrode current for precision instrumentation.

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Heater	6.3 V / 127 mA
Plate	17 V
Ik max	12 mA
rP	8,000 Ω

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Russian mechanotron pressure transducer for precision excess-pressure measurement. Mechanical movement of an internal electrode produces a corresponding electrical-current change.

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Heater	6.3 V / 410 mA
rP	1,500 Ω

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Russian mechanotron transducer for measuring angular displacement in a vertical plane. Internal mechanical movement produces an electrical output proportional to angle.

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Heater	6.3 V / 200 mA
Plate	15 V
Ik max	12 mA
rP	1,900 Ω

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Russian movable-anode mechanotron for precision linear displacement and force measurement. Mechanical motion directly modulates electrode current, providing sensitive electrical readout.

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Heater	6.3 V / 170 mA
Ik max	10 mA
rP	1,500 Ω

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IO - International Octal

Russian dual movable-anode mechanotron for precision displacement and force measurement. Its differential mechanical-to-electrical conversion provides high sensitivity and long service life.

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IO

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Heater	6.3 V / 200 mA
Plate	20 V
Ik max	12 mA
rP	1,200 Ω

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IO - International Octal

Russian single movable-anode mechanotron for precision linear displacement and force measurement. Mechanical motion produces a sensitive proportional change in electrode current.

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IO

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Heater	6.3 V / 410 mA
Ik max	80 mA
rP	500 Ω

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IO - International Octal

Russian dual movable-anode mechanotron for precision displacement and force measurement. Its differential electrode system provides high mechanical-to-electrical sensitivity.

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IO

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Heater	6.3 V / 410 mA
Plate	20 V
Ik max	13 mA
rP	2,000 Ω

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IO - International Octal

Russian dual movable-anode mechanotron for precision linear displacement and force measurement. It provides especially high current sensitivity to very small mechanical movement.

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IO

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Heater	6.3 V / 410 mA
Plate	30 V
Ik max	6 mA
rP	5,000 Ω

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IO - International Octal

Russian dual movable-anode mechanotron for precision displacement and force measurement. Its differential construction converts small mechanical movement into a sensitive electrical-current change.

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Heater	6.3 V / 170 mA
Plate	17 V
rP	2,000 Ω

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Russian precision mechanotron displacement and force transducer with high sensitivity, low drift, and long rated service life. Mechanical movement directly modulates electrode current.

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Electrochemical mercury coulometer for measuring electric charge or elapsed operating time. Electrochemical transfer of mercury displaces a visible electrolyte index proportional to accumulated charge.

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Heater	1.15 V

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Omegatron mass-spectrometer sensing tube for residual-gas analysis. Crossed electric and magnetic fields separate ions by mass-to-charge ratio for vacuum-system composition measurement.

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Calibrated SY1301 Omegatron mass-spectrometer tube for quantitative residual-gas analysis. A tungsten emitter and crossed electric and magnetic fields permit measurement of individual gas partial pressures.

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Disc-seal UHF thermocouple for monitoring RF power in resonators, waveguides, and coaxial lines from approximately 300 MHz to 6 GHz.

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Disc-seal UHF thermocouple for monitoring microwave power in resonators, waveguides, and coaxial transmission lines from roughly 300 MHz to 6 GHz.

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SUBMINIATURE

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Subminiature vacuum thermocouple current sensor for low-current instrumentation. Electrical current heats an internal element and produces a small thermoelectric voltage proportional to current.

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SUBMINIATURE

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Subminiature vacuum thermocouple current sensor for moderate low-current measurement. Heater current produces a small thermoelectric voltage proportional to electrical input.

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Vacuum thermocouple current-measuring device for moderate currents. Electrical heating generates a small thermoelectric voltage used for current indication and instrumentation.

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SUBMINIATURE

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Subminiature vacuum thermocouple current sensor for currents up to several hundred milliamperes. Heater current produces a proportional millivolt-level thermoelectric output.

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Indirectly heated subminiature vacuum thermocouple for low-current electrical measurement. Thermal coupling converts heater current into a small thermoelectric instrumentation signal.

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Indirectly heated subminiature vacuum thermocouple for moderate low-current measurement. Heater current is converted into a small thermoelectric output voltage.

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Indirectly heated subminiature vacuum thermocouple for currents up to several hundred milliamperes. Thermal conversion provides a millivolt-level measurement signal.

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SUBMINIATURE

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Indirectly heated subminiature vacuum thermocouple for very low-current measurement. It converts electrical heating into a small thermoelectric voltage for precision instrumentation.

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SUBMINIATURE

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Indirectly heated subminiature vacuum thermocouple for moderate low-current measurement. Heater current produces a small thermoelectric voltage suitable for instrumentation.

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SUBMINIATURE

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Indirectly heated subminiature vacuum thermocouple for currents up to several hundred milliamperes. It produces a small thermoelectric output proportional to electrical heating.

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Argon-filled Bendix Y-type DC Convectron vertical-reference sensor. Gas convection around heated elements produces an electrical indication of inclination for precision attitude measurement.

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Bendix DC Convectron vertical-reference sensor using gas convection around a heated filament to provide an electrical indication of tilt. The approximately 400 °C filament establishes the thermal convection pattern whose displacement with inclination produces the sensing signal.