1B126

Metal Geiger-Müller gamma-ray probing counter for radioactive-tracer work in inaccessible locations. Its specialized construction supports field detection where the sensing tube must operate remotely within confined or difficult environments.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: A182
Base pins: -
Nominal heater: -

Description

Metal gamma-ray probing counter tube for radioactive tracer work in inaccessible locations.

Socket description

RETMA/RMA A1-82 two-contact coaxial radiation-counter tube base family

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: A182
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

No fixed ratings are recorded for this section.

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

1950 Victoreen

Published operating points and test conditions from this source.

SECTION 0

GeigerMullerCounter

Other

ThresholdVoltage
850 V
Max
Operating Voltage
875 to 925 V

Characteristic

PlateauLength
75 V
Minimum
PlateauSlope
5 %/100V
Maximum
RecoveryTime
150 us
Background
5 counts/min
ActiveLength
10 in