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2πα/2πβ Particle Emission Rate Standard

The HA-BASE-E is a digital MCA with integrated spectrum acquisition, count rate sampling, and automatic nuclide identification. It transmits spectral data, identification results, and other metrics to a host PC via a wired interface for control and configuration.
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Product Overview

The MWPC1000 is a portable standard apparatus integrating a detector, electronics, and a data acquisition unit for measuring α/β particle emission rates. It performs on-site calibration of large-area planar α/β reference sources, ensuring the metrological traceability and reliability of particle emission rates for planar radioactive sources, as well as the readings of α/β surface contamination monitors. It is widely used for the verification of radiation protection instruments in nuclear technology research, radiation protection, and environmental monitoring.

 

Features

  • Modular Design:​ Highly integrated modular layout for convenient installation and maintenance.
  • High Stability:​ Low failure rate enabling long-term continuous stable operation.
  • Remote Configuration:​ Remote setup of high voltage, discriminator threshold, and other operational parameters.
  • Automatic Analysis:​ Built-in auto-analysis with visualized test results.
  • One-Click Export:​ Test records exportable with a single click.
  • Historical Query:​ Automatic data archiving and query function for past measurement records.

 

Technical Specifications

Product Model

MWPC1000

Detector Type

Multi-Wire Proportional Counter (MWPC)

Active Area

≥ 190 mm × 130 mm

Measuring Range

α: 10 ~ 20,000 cps

β: 100 ~ 20,000 cps

Plateau Length

≥ 400 V

Plateau Slope

< 0.5 %/100 V

Background Count Rate

α ≤ 0.5 cps

β ≤ 10 cps

Detection Efficiency Uniformity

α ≥ 99%

β ≥ 99% (across active area)

Measurement Uncertainty

≤ 2% (k=2)

8-hour Stability

≤ 0.5%