Introduction to Portable Alpha β Surface Pollution Measuring Instrument:

Portable alpha beta surface contamination measuring instrumentMainly used for measuring alpha and beta radioactive contamination on surfaces such as environmental radiation, nuclear power plants, isotope production, hospitals, reactor sites, workbenches, and clothing. Complies with the requirements of the national standard GB/T 5202-2008 "Radiation Protection Instruments - α, β, and α/β (β energy greater than 60keV) Pollution Measurement and Monitoring Instruments".

Instrument features:

• Original imported dual fluorescent thin scintillator with high conversion efficiency and long lifespan
• Large counting capacity (10)⁶）It can simultaneously measure alpha, beta, and alpha+beta without the need to replace the probe
• Low power consumption, a single battery can enable the instrument to work continuously for more than 20 hours
• Equipped with a Bluetooth printer, it can print measurement data in real-time
• USB communication function, paired with PC software for convenient data processing

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Technical Specifications:

Background count: α:<0.6 cpm; β：< 2 cps

Repeatability: better than 20%.

3. Basic error: Within the entire effective measurement range, it should not exceed ± 20%.

Counting capacity: 1-106.

5 Measurement time: Choose between (1~9999) seconds.

6 Detection efficiency:

α: ≥ 55% (2 π, φ 50mm, 239Pu, alpha source)

β：≥ 30%（2π，φ50mm，90Sr－90Y，β 源）

7 channel ratio:

Alpha channel to channel ratio: less than 10%

β - channel to channel ratio: less than 1%

8 Stability:

α. When the beta measurement count is greater than 1000, the 8-hour change is ≤ 10% (239Pu, 90Sr-90Y)

9 Temperature and humidity effects:

High and low temperature errors: When the instrument is powered on and kept at a constant temperature of 45 ± 2 ℃ or -10 ℃ for 4 hours, the measurement error is ≤± 20%;

Humidity error: When the instrument is placed without power for 48 hours at a relative humidity of 90% (40 ℃), its measurement error is ≤± 10%.

10. Operating environment:

Temperature: -10 ℃ to+45 ℃, relative humidity ≤ 90% (40 ℃);

11 Data Printing: Bluetooth Printer

12 Communication interface: Micro USB interface

13 Data Storage: capable of storing 9000 data points

14 Power supply: 4.2V/3Ah lithium battery (can work for 15 hours)

Instrument certification:

Verified and issued a verification certificate by the Chinese Institute of Metrology

Packing list:

1. Host 1 unit

2. One detector

3. One cable

4. Two lithium batteries

5. One set of Bluetooth printer and charger

6. One USB cable

7. One host charger

8 User Manual 1 copy

9. One copy of product qualification certificate

10. One communication CD

11. Two rolls of printing paper

12. One verification certificate