Home > Radiological/Nuclear > Technology > Helium 3 Detectors

Helium-3 detectors identify neutrons based on the principle of absorption. The Helium-3 absorbs neutrons and emits high energy particles that are measured as a current and converted to neutron counts. Helium-3 detectors do not identify specific neutron sources.
Manufacturer
Berkeley Nucleonics Corporation (BNC) (1)
D-tect Systems (1)
Ortec (Ametek) (2)
PKI Electronic Intelligence (1)
Polimaster, Inc. (1)
Sensor Technology Engineering, Inc. (4)
Teledyne FLIR Detection, Inc. (3)
Transportability
Pocket Size (1)
Handheld (10)
Person-Portable (1)
Mounted (1)
Availability
Commercially Available (10)
Discontinued (2)
Military/LE Only (1)
Unit Cost
< $100 (4)
$5,000 - $10,000 (2)
$10,000 - $20,000 (1)
$50,000 - $100,000 (2)
N/A (4)
Sample Introduction
Vapor/Gas (1)
Radioactive Particle (12)
Sensitivity / Detection Limit
% (3)
cps (5)
µR (1)
mR (1)

Additional Filter Options

Product Type

Instrument (13)

TRL

9 (13)

Weight

<1 Lb (3)
<5 Lbs. (5)
<30 Lbs. (5)

Power Requirement

Alkaline Battery (3)
Lithium Battery (6)
NiMH Battery (2)
AC/DC Line Power (1)
Other (1)

Training Required

<1 hour (2)
<1 day (8)
<1 week (1)
Other (1)

ITAR/EAR/IATA Regulated

Yes (3)
No (1)

Response Time

Continuous (<30 seconds) (9)
<5 minutes (4)

Supporting Data Available

None (7)
Other (6)

Ruggedness

Dust (7)
Waterproof/Resistant (2)
Other (1)

Shelf Life

>5 years (11)
Other (1)

Consumables Required

None (10)
Other (1)
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