Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Sensor Tube ·Sensor

6MDX1B

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

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 127 mA

Description

Mechanotron transducer for measurement of excess pressure in instrumentation. Extracted and translated from the complete Russian entry corresponding to the PDF filename; neighboring page-break fragments were excluded.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
127 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Sensor

X-ray radiationInterelectrode capacitances
Plate resistance
2000 Ω
Max plate voltage
17 V
Max cathode current
12 mA

Values promoted from the complete filename-matched Russian entry only.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Sensor

Characteristic

  • Moving-anode current

    8.5 mA

    Translated from Russian source; filename-matched entry only

  • Fixed-anode current

    8.5 mA

    Translated from Russian source; filename-matched entry only

  • Internal resistance maximum

    2 kOhm

    Translated from Russian source; filename-matched entry only

  • Current sensitivity to pressure

    0.005 uA/Pa

    Translated from Russian source; filename-matched entry only

  • Service life minimum

    1000 h

    Translated from Russian source; filename-matched entry only

  • Maximum pressure

    1000000 Pa

    Translated from Russian source; filename-matched entry only