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ASP-2

ASP-2 HIGH EFFICIENCY ALPHAPROBE

This is an excellent ALPHA detector with ZERO BACKGROUND in gamma fieldsup to 1 R/hr. A low densityMylar window of 0.7 mg/cm2 enables the highefficiency detection of alpha down to 3 MeV. The Crystal and PMT are mounted in a shock resistant metal housing.

SPECS ASP-2

FEATURES

  • EXCELLENT ALPHADETECTION
  • ZERO BACKGROUND
  • RUGGED METAL HOUSING

ASP-2 SPECIFICATIONS

General Use Alpha Contamination Surveying and Sample Counting
Detector Type ZnS(Ag) Scintillator
CPM Range 0-999.9 Kcpm or Kcps
Window 0.7 mg/cm2Mylar, protected by a Copper screen (80% open)
Window Area Active – 15.5 cm2 (2.4 in2)
Open – 12.3 cm2 (1.9 in2)
Efficiency(4π) Pu239 – 20%, Th230 – 20%
Energy Response 3 MeV – 7 MeV
Operating Voltage 700 – 1100 vdc
Normal Background <.1 cpm
Environmental -20°F[-28°C] to 140°F[60°C] 5-95% RH
Connector BNC (other types available)
Dimensions 2.5" (6.25cm) Dia x 10" (25cm) L
Weight 30 oz (0.85 kg)