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Food & Water Radiometric Monitor

The HA4201 is engineered for the rapid radiometric screening of water, food, and biological samples. Featuring a high-sensitivity NaI(Tl) scintillation detector, it delivers rapid response and high throughput. Its integrated design, coupled with a color touchscreen interface, ensures operational simplicity for both laboratory and field use.
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Product Overview

The HA4201 is engineered for the rapid radiometric screening of water, food, and biological samples. Featuring a high-sensitivity NaI(Tl) scintillation detector, it delivers rapid response and high throughput. Its integrated design, coupled with a color touchscreen interface, ensures operational simplicity for both laboratory and field use.

 

Applications

Ideal for nuclear emergency response, food safety assessment, customs inspection of imported minerals, and environmental radiation monitoring.

 

Features

  • Rapid Analysis:​ Quickly quantifies gamma-emitting radionuclides, including ⁶⁰Co, ¹³⁷Cs and ¹³¹I.
  • High Automation:​ All-in-one system integrating instrument control, data acquisition, and spectral analysis.
  • PC Connectivity:​ Equipped with external communication ports and PC software for data transmission, archival, and report printing.
  • Comprehensive Analytics:​ Features automatic background subtraction, peak searching, spectrum stabilization, and report generation, supported by a user-editable nuclide library.
  • Field-Ready Portability:​ Built-in high-capacity lithium battery supports extended operation in both laboratory and field environments.

 

Technical Specifications

 

Product Model

HA4201

Detector Type

NaI(Tl) crystal

Detector Volume Options

1.5 inch

Measurement Range

10 ~ 10⁵ Bq/L

Minimum Detectable Activity

10 Bq/L (for 0.5 L ¹³¹I solution, 7200 s count time)

Energy Range

30 keV ~ 3 MeV (10 MeV optional)

Energy Resolution

≤7.5% (@662 keV, ¹³⁷Cs)

Energy Linearity

≤1%

MCA Channels

1024 / 2048 / 4096

Measurement Uncertainty

< 10% (sample activity > 37 Bq/kg)

Counting Time

Continuously adjustable from 1 ~ 86,400 s

Background Shielding

20 mm thick, 4π solid-angle lead shielding

Detectable Nuclides

²²⁶Ra, ²³²Th, ⁴⁰K, ²²²Rn, ¹³⁷Cs, ²⁴¹Am, etc.; editable library

Power Supply

DC 12 V, built-in rechargeable Li-ion battery

Operating Temperature

0 °C ~ 40 °C