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)
FLIR Systems, Inc. (3)
Ortec (Ametek) (2)
PKI Electronic Intelligence (1)
Polimaster, Inc. (1)
Sensor Technology Engineering, Inc. (2)
Transportability
Pocket Size (1)
Handheld (9)
Mounted (1)
Availability
Commercially Available (10)
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 (2)
Sample Introduction
Vapor/Gas (1)
Other (10)
Sensitivity / Detection Limit
% (3)
cps (3)
µR (1)
mR (1)
Gy (1)

Additional Filter Options

Product Type

Instrument (11)

TRL

9 (11)

Weight

<1 Lb (2)
<5 Lbs. (4)
<30 Lbs. (4)
<50 Lbs. (1)

Power Requirement

Alkaline Battery (3)
Lithium Battery (5)
NiMH Battery (2)
AC/DC Line Power (1)

Training Required

<1 day (6)
<1 week (1)
Other (3)

ITAR/EAR/IATA Regulated

No (1)
Other (3)

Response Time

Continuous (<30 seconds) (7)
<5 minutes (4)

Supporting Data Available

Other (1)

Ruggedness

Dust (4)
Waterproof/Resistant (2)
Other (3)

Shelf Life

>5 years (10)

Consumables Required

None (8)
Other (2)
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