Products
A complete HPGe measurement lineup
From field spectrometers to laboratory software, every product is designed, built, and tested by PHDS. Specifications are measured, not marketing copy, and we back them with an industry-leading 3-year cooler warranty on every detector system.
HPGe Instruments

Fulcrum
Definitive isotope ID in a portable 8-lb package, no liquid nitrogen.
Relative efficiency12%
Field weight8 lbs (3.6 kg)
Cool-down time~2 hr
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Fulcrum-40h
40% relative efficiency in a portable package, over 3x the standard Fulcrum.
Relative efficiency40%
Field weight11 lbs (5 kg)
Cool-down time~5 hr
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Fulcrum-L
A complete benchtop HPGe spectrometer with GMP-compliant analysis.
Relative efficiency12% or 40%
Field weight9 lbs (4 kg)
Cool-down time~2 hr
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GeGI
Portable HPGe imaging that identifies, localizes, and quantifies any gamma-ray source.
Compton ImagingGamma energies > 120 keV
Field weight15 lbs (6.8 kg)
Cool-down time~4 hr
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NP Imager
Real-time HPGe imaging of isotope distributions on separation columns.
Imaging AlgorithmZoomFactor
Field weight15 lbs (6.8 kg)
Cool-down time~4 hr
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LoPro
Discreet, low-profile HPGe identification built for operators.
Relative efficiency12%
Field weight8 lbs (3.6 kg)
Cool-down time~3 hr
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Software

WinOMNI
The Windows analysis platform for the Fulcrum line: isotope ID, quantification, uncertainty, and defensible reporting.
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ISOTAC NDA
Quantified isotope activities from 3D container models: drums, B-25 boxes, and custom geometries.
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WinOMNI-GMP
21 CFR Part 11 compliance for WinOMNI: audit trails, access controls, electronic signatures, and tamper-evident records.
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Accessories

QuantiCart
Turns a portable Fulcrum into a repeatable, shielded station for drum and container surveys.
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Shield Cart
A portable low-background counting station for the Fulcrum-L: 2-inch lead with a copper liner.
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Benchtop Laboratory Shield
A fixed benchtop low-background counting shield for the Fulcrum-L: 2-inch lead with a copper liner.
Field weight625 lbs (283 kg)
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26parts and accessories
All accessories and spare parts
Field kit, replacement parts, and consumables, filtered by the instrument you own.
Browse the catalog >Not sure which one?
Tell us the measurement. We'll match the instrument.
Send the isotopes, activity range, and where you measure. An application engineer recommends the configuration that fits.