PHDS NP Imager Radiochemistry Imager

50 in stock


PHDS NP Imager Radiochemistry Imager measures the dynamics of radiochemical separation processes in real-time. Developed on a Small Business Innovation Research (SBIR) grant from the Department of Energy Office of Nuclear Physics (NP), the NP Imager focuses on the unique needs of radiochemists and technicians separating radioisotopes for radio-pharmaceuticals and other applications.

Applications: Radiopharmaceutical Process Monitoring, Radiochemical Separation Research and Development, Nuclear Physics Isotope Production, Nuclear Materials Management, Waste Management, Decontamination and Decommissioning.

PHDS NP Imager Radiochemistry Imager is specifically designed to monitor the dynamics of radiochemical processes. As such, NP Imager includes onboard algorithms, such as the zoom factor. The NP Imager monitors the locations and distributions of multiple isotopes over time, allowing the radiochemist and technician to monitor separation processes in real-time. Additionally, the NP Imager may be installed on an articulating arm attached to a wheeled gantry cart. This configuration allows the flexibility to position the NP Imager above/around the radiochemist for a clear view of the process.

Features of PHDS NP Imager:

  • HPGe gamma-ray spectroscopy and isotope identification.
  • Real-time imaging of source distributions.
  • Quantitative imaging.
  • Wheeled imaging gantry for versatile operation.
  • ZoomFactor for source magnification from a fixed vantage point.
  • Fast cool-down to operating temperature.
  • User-friendly touchscreen interface.
  • Compact and hand-portable.
  • Long-life mechanical cooler.
  • Hot-swappable batteries for continuous operation away from line power.
  • Reachback files for offline data analysis.
  • Wireless capabilities for remote operation.

Additional information

Weight 8 kg



NP Imager

Energy resolution

FWHM < 2.1 keV at 662 keV

Gamma-ray Compton imaging field of view

4π (360°)

Optical camera field of view

2π (180°)

Pinhole imaging field of view

up to 60° (depends on Zoomfactor)

Zoomfactor Gamma-ray Image Magnification

x1 – x6

Imaging Range

(10 cm – 50 meters)

ID time (spectroscopy)

3.7 sec +/- 1 sec (662 keV, 8σ)

Location (imaging) time

30 sec +/- 13 sec (Compton image)

Exposure rate capacity

200 kcps (~10% Dead time in 15 mR/hr

Energy range spectroscopy (16k ch)

30 keV – 3 MeV (12 MeV option)

Energy range Compton Imaging

150 keV – 3 MeV

Energy range Pinhole Zoomfactor Imaging

30 keV – 662 keV

Isotope Library

400 isotopes (Auto detect or user selected)

Isotope Identification

37 frequently encountered isotopes

Isotope Categories


HPGe detector crystal dimensions

90-mm diameter, 11-mm thick

Active detector volume / area

67 cm3
/ 61 cm2

Cool-down time

4 hours

Detector startup time

2 minutes

Power Supply

100-240 VAC, 50-60 Hz

Battery Life

3 hrs internal (hot swappable), 6-8 hrs external


260 x 200 x 140 mm


6.8 kg

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PHDS NP Imager Radiochemistry Imager

PHDS NP Imager Radiochemistry Imager