722

End window alpha-beta-gamma detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 5.87/149.0
MAXIMUM DIAMETER (INCH/MM) 1.0/25.4
GAS FILLING Ne +Halogen
EFFECTIVE LENGTH (INCH/MM) 4.25/107.95
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.78/19.9
CONNECTOR Grid Cap
OPERATING TEMPERATURE RANGE °C -55 to +75

WINDOW SPECIFICATIONS

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 0.78/19.9
AREAL DENSITY (MG/CM²) 3.0 - 4.0

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING VOLTAGE (VOLTS) 700
RECOMMENDED ANODE RESISTOR (MEG OHM) 1
OPERATING VOLTAGE RANGE (VOLTS) 660 - 860
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 15
MINIMUM DEAD TIME (MICRO SEC) 100
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 45
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 92
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 60
MAXIMUM STARTING VOLTAGE (VOLTS) 640