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Specialized - Radiation Counter ·GeigerMullerCounter

18550

Halogen-quenched thin-wall Geiger-Müller beta/gamma radiation counter.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

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
-
Nominal heater current
-
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 0

GeigerMullerCounter

X-ray radiationInterelectrode capacitances
Max plate voltage
700 V

Geiger plateau 500–650 V; operating anode resistance 5 MΩ; capacitance approximately 1 pF.

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 0

GeigerMullerCounter

Characteristics

  • Input capacitance

    1 pF

    Electrode capacitance approximately

Characteristic

  • Operating voltage

    600 V

    Example operating voltage within plateau

  • DC starting voltage

    330 V

    Minimum of stated ignition range 330–380 V

  • DC starting voltage

    380 V

    Upper bound of ignition-voltage range 330–380 V

  • Operating voltage

    500 V

    Lower plateau boundary

  • Operating voltage

    650 V

    Upper plateau boundary

Other

  • Maximum plate voltage

    700 V

    Maximum applied anode voltage (Geiger counter), not rectifier PIV