I. Instrument Introduction

The KJD-2000R Radon Detector conforms to standards such as "GB/T 14582-93 Standard Method for the Measurement of Radon in Ambient Air," "GB50325-2020 Code for Indoor Environmental Pollution Control of Civil Building Engineering," and "GB 8537-2008 Drinking Natural Mineral Water." It utilizes electrostatic collection to measure the cumulative decay products of Radon-222 and Radium-226, offering high sensitivity, on-site results, compact size, and easy operation. It is applicable in fields such as radon measurement indoors, in soil, in water solutions, and in water samples for radium detection.

II. Product Configuration:

· Utilizing semiconductor alpha particle detector;

· Utilizing the unique patented α-energy spectrum measurement technology (Patent No.: ZL201610952613.4)

· Utilizing a dedicated high-voltage power supply;

· Utilizes precision system control circuitry and digital processing circuits.

· Equipped with professional gas collection devices.

Equipped with a dedicated drying box.

Equipped with dedicated radon accessories for soil, water, and surface detection.

Section 3: Technical Specifications:

Detector: Gold-Silicon Surface Barrier Detector or PIPS Detector;

· Test Objects: Radon and its decay products

· Alpha Spectrometer: Real-time display of alpha spectral lines.

Alpha-ray energy spectrum measurement: 256-channel analyzer.

· Measurement Method: Pump-suction electrostatic collection energy spectrum analysis method

· Background Count: ＜0.5 count/min

· Detection Sensitivity: >1.3 count.min-1/Bq.m³

· Detection Limit: ＜1 Bq/m³

· Measurement Range: 1-3,000,000 Bq/m³

· Measurement Uncertainty: ≤5% (K=2)

· Measurement Time: <5 minutes

· Three modes of measurement: soil radon, air radon, water radon.

· Storage Function: Automatically saves 10,000 spectra lines, available for review at any time.

· LCD Display: 320×240 pixel matrix

· Power Supply: +12V (Rechargeable Battery)

· Host size: 33×25×21CM