The BG9621 intelligent alpha and beta surface contamination detector is suitable for detecting low-level alpha and beta radiation surface contamination. The instrument adopts a dual flash detector with high detection efficiency; The same probe can simultaneously measure alpha and beta particles and automatically distinguish between them, making it an ideal instrument for detecting alpha and beta radiation surface contamination in fields such as environmental laboratories, nuclear medicine, molecular biology, radiochemistry, nuclear material transportation, storage, and inspection. This instrument adopts single-chip control, which can achieve continuous data acquisition, storage, and can be queried at any time.

technical indicators

Detector: Double Flash Detector

Detector area: 170cm2

Counting range: 1-106

Detection efficiency: α ≥ 30% (for 239Pu), β ≥ 25%

sensitivity

Alpha surface activity response: ≥ 20cps · s-1 · Bq-1 · cm2

β - surface activity response: ≥ 20cps · s-1 · Bq-1 · cm2

Measurement background: α: ≤ 0.1cps; β：≤15cps

Measurement time: User adjustable

Display units: CPS, CPM, Bq, Bq/cm2

Relative basic error: The relative basic error within the measurement range is ≤ 25%

● Environmental conditions for use

◎ Working temperature range: -10 ℃~45 ℃ ◎ Relative humidity range: ≤ 90% (40 ℃)

● Electrical characteristics

◎ Power supply: built-in rechargeable lithium battery ◎ Power consumption: machine current ≤ 50mA

● Physical characteristics

◎ Shell: Engineering aluminum alloy or engineering plastic ◎ Weight: ≤ 1.20kg