MONOLITH Gamma & X-ray HPGe Spectrometer based on Pulse-tube

Description

Spectrometers based on HPGe (high purity germanium) detectors are designed to detect gamma radiation in the energy range from 40 keV to 3 MeV for GCD models and from 3 keV to 3 MeV for GCDX models.

Brochure Monolith Gamma- ray HPGe Detector Electrically cooled

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Application

Registration, accumulation and processing of X-ray and gamma radiation spectra under conditions when the use of liquid nitrogen for cooling HPGe detectors is undesirable or impossible.

Features

10% – 160% efficiency HPGe p-type coaxial detectors are available
Low background and Ultra – low background materials are available
Manufacture in a portable cryostat is possible

Precision

Adopting precision gamma-spectrometry methods
High efficiency of radiation detection
Excellent peak symmetry

Reliability

Energy range from 40 keV to 10 MeV for GCD model
Energy range from 3 keV to 10 MeV for GCDX/GCDX-OS models
High energy rate up to 200000 MeV/sec

Specification

Relative efficiency (with respect to 3’’ x 3’’ NaI detector and Co-60 source mounted 25 cm above the detector) at 1.33 MeV g-photon:
30 %

Peak to Compton ratio:
52 : 1

Energy resolution
at 122 keV: < 1000 eV
at 1.33 MeV: < 2000 eV

Energy range of detector operation:
3 keV – 3 MeV

Peak shape
FWTM/FWHM: < 1.9
FW.02M/FWHM: < 2.65

Endcap window material:
Al / Be / Carbon fibre

Cooling time of the detector, hours
< 13

Autonomous operation time, hours:
24/7

Power:
230 V, 50/60 Hz

Power consumption, max:
250 W

Power consumption, normal:
120 W

Range of the operating temperatures, ° С:
-10 … +40

Complete set

HPGe detector
Preamplifier
Autonomous cooling system for the detector based on electrical machinery cooler EMC
Controller for controlling the operation of EMC
Fans (2-4) for EMC cooling

Options

Software package NuclideMasterPlus
Advanced software package
Multichannel Analyzer