Detector sensitive area*
            1000 cm2
            28cm (11”) depth x 35.5cm (14”) width
            Chamber entrance height = 2.2cm (.875") tall
            * Standard size. Detector can be scaled based on customer requirements.

   Detector Type
           Gas Flow Proportional

   Gas Used
            P-10 Nuclear Counting Gas
            90% Argon, 10% Methane
            (DOT Class 2.2 Nonflammable Gas)

   Background
            Less than 5 alphas/hour (0.005 alphas/cm2/hr)

   Detection Efficiency
            Greater than 80% (2 pi )

   Operating Voltage
            + 800 VDC

   Alpha Detector Window
            250 µg/cm2 metalized Mylar

   Overall Outside Dimensions
            46cm (18”) wide x 55cm (21.5”) deep
            11.4cm (4.5”) tall

   Weight
            7 kg  (15 lbs.)

   Electronics
            Detector Bias Power Supply, 1Kv
            On board Charge Sensitive Pre-amp, Linear Amplifier, Integral Discriminator.  

   Gas Handling
            Dual Stage Gas Regulator
            Adjustable Flow Controller

   Pricing and Delivery
        Please contact us for current pricing and delivery schedules.