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Specialized - Radiation Counter ·ProportionalCounter

7087A

Variant of the 7087 high-sensitivity multielement BF3 proportional neutron counter. It is electrically identical to the standard type but supplied with a 25-foot cable for installations requiring greater detector-to-instrument separation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
0 V / 0 mA

Description

Variant of the 7087 BF3 proportional neutron counter, identical electrically except for a 25-foot cable.

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
0 V
Nominal heater current
0 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

ProportionalCounter

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Radiation/neutron detector section; source operating-voltage and sensitivity data retained as parameters.

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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

ProportionalCounter

Characteristic

  • Operating Voltage

    2000 V

  • Sensitivity

    40 counts/neutron/cm2

  • IntegralCableLength

    25 ft