72233

End window-alpha-beta-gamma detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 2.71/68.8
MAXIMUM DIAMETER (INCH/MM) 0.98/25.0
GAS FILLING Ne +Halogen
EFFECTIVE LENGTH (INCH/MM) 1.5/38.0
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.78/19.8
CONNECTOR B2A
OPERATING TEMPERATURE RANGE °C -40 to +75

WINDOW SPECIFICATIONS

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 0.78/19.8
AREAL DENSITY (MG/CM²) 2.5 - 3.0

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING VOLTAGE (VOLTS) 500
RECOMMENDED ANODE RESISTOR (MEG OHM) 3.3
OPERATING VOLTAGE RANGE (VOLTS) 450 - 650
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 10
MINIMUM DEAD TIME (MICRO SEC) 120
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 45
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 60
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 30
MAXIMUM STARTING VOLTAGE (VOLTS) 350
MINIMUM ANODE RESISTOR (MEG OHM) 2.2