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Hand-held Nuclide Recognition Instrument

The HA3500 Handheld Nuclide Identifier is a portable instrument that integrates radiation level measurement, activity measurement (HA3500-A), source search, and nuclide identification.
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Product Overview

The HA3500 Handheld Nuclide Identifier is a portable instrument that integrates radiation level measurement, activity measurement (HA3500-A), source search, and nuclide identification. It features passive spectrum stabilization technology for rapid identification of special nuclear materials, medical, natural, and industrial nuclides. The activity measurement function can be used for activity measurement and dose assessment of medical patients, staff, and other exposed personnel. Incorporating the FRC algorithm, it provides fast response for radioactive source searching.

 

Applications

This product can be used for radiation health supervision, environmental protection enforcement, customs inspection, public security screening, military emergency monitoring, environmental monitoring and assessment, and other sites involving radioactive materials.

 

Features

  • Multiple Measurement Modes: Provides dose rate measurement, activity measurement (HA3500-A), radioactive source search, and nuclide identification.
  • Accurate Measurement Data: Activity measurement distinguishes between thyroid distributed source and point source measurement for improved accuracy (HA3500-A).
  • Large Color LCD Screen: 4.3-inch HD color touchscreen LCD for easy viewing and operation.
  • Passive Spectrum Stabilization: Automatic calibration and continuous spectrum stabilization for natural nuclides, eliminating environmental variations and ensuring measurement accuracy.
  • Over-Threshold Alarm: Features over-threshold alarm with continuously adjustable threshold.
  • Built-in Nuclide Library: Includes medical, natural, industrial, and special nuclear material libraries, with user-definable nuclide library support.
  • Power Supply: Built-in rechargeable lithium battery, up to 8 hours of continuous operation.

 

Technical Specifications

Product Model

HA3500

HA3500-L

HA3500-A

Detector Type

NaI(Tl) crystal, G-M tube (energy-compensated), ³He proportional counter (optional)

LaBr₃ crystal, G-M tube (energy-compensated)

NaI(Tl) crystal, G-M tube (energy-compensated)

Measurement Range

0.01 μSv/h ~ 100 mSv/h

0.01 μSv/h ~ 100 mSv/h

0.01 μSv/h ~ 100 mSv/h

Activity Measurement Range

N/A

N/A

50 ~ 10⁸ Bq (¹³¹I)

Energy Range

30 keV ~ 3 MeV

30 keV ~ 3 MeV

30 keV ~ 3 MeV

Energy Resolution

≤ 7.5% (@ 662 keV, ¹³⁷Cs)

≤ 3.5% (@ 662 keV, ¹³⁷Cs)

≤ 7.5% (@ 662 keV, ¹³⁷Cs)

MCA Channels

1024

1024

1024

Auto Spectrum Stabilization

±1% (¹³⁷Cs)

±1% (¹³⁷Cs)

±1% (¹³⁷Cs)

Sensitivity

1100 cps/μSv/h (@ 662 keV, ¹³⁷Cs)

900 cps/μSv/h (@ 662 keV, ¹³⁷Cs)

1100 cps/μSv/h (@ 662 keV, ¹³⁷Cs)