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  • Rugged NaI(Tl) Detectors for Well Logging
  • Rugged NaI(Tl) Detectors for Well Logging

Rugged NaI(Tl) Detectors for Well Logging

  • Large light output 
  • Rugged detectors fit for harsh environment in Well-logging
  • Wide Operation Temperature Range of 25℃ to 175℃
  • Anti-shock and anti-vibration design 
  • Titanium alloy as housing and Sapphire as optical windows 
  • off-the-shelf and custom NaI(Tl) scintillator detectors available
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Specification:

Operation Temperature Range 25℃ to 175℃ Vibration <20g @ 20-1000Hz
Shock <400g@1ms


NaI(Tl) Crystals Properties:

Density(g/cm3) 3.67 Melting Point (K) 924
Cleavage Plane <100> Hardness(Mohs) 2
Hygroscopic yes Refractive Index at Emission Peak 1.85
Emission Peak Wavelength (nm) 415 Decay Time (ns) 250
Light Yield (photons/KeV) 38

Sodium Iodide crystals doped with Thallium (or NaI(Tl) crystals) have a very high scintillation or luminescence efficiency and a good energy resolution, NaI(Tl) scintillators has the largest light-out and an emission range well matched to photomultipliers with bialkali photocathodes at a high efficiency, and combination with its easy availability of variety size and geometries and low cost, NaI(Tl) scintillators has become most widely used scintillators. NaI(Tl) crystals is a kind of highly hygroscopic materials, it must be put in a hermetical sealing housing in using.

Well-logging is done in harsh environment of high temperature, high pressure and high humidity, the energy spectrum of Gamma ray needed to be measured in well-logging. Hangzhou shalom EO select the high quality temperature resist NaI(Tl) crystals as the scintillators, use Titanium alloy as housing and Sapphire as optical windows to make the rugged well-logging NaI(Tl) scintillators, and combined with anti shock and vibration design, our encapsulated well-logging NaI(Tl) crystals has a good reflects from well-logging equipment customers. 

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