75NB37

Neon-filled gamma radiation counter intended for radiation survey and monitoring service. Manufacturer data provide its operating and counting characteristics for detecting penetrating gamma radiation in instrumentation applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

75NB37 is listed in the supplied Amperex material as a neon-filled gamma radiation counter. Published ratings and operating data were captured from the supplied table.

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 1

GeigerMullerCounter

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published ratings and operating data reviewed.

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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

GeigerMullerCounter

Characteristic

Operating voltage
700 V DC
Published Amperex table
Plateau length
125 V
Published Amperex table
Plateau slope
15 % per 100 V
Published Amperex table
Dead time
100 us
Published Amperex table
Background
50 counts/min
Published Amperex table