7227

End window-alpha-beta-gamma-xray detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 5.87/149.0
MAXIMUM DIAMETER (INCH/MM) 1.0/25.4
GAS FILLING Ar + Halogen
EFFECTIVE LENGTH (INCH/MM) 4.25/107.95
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.78/19.8
CONNECTOR Grid Cap
OPERATING TEMPERATURE RANGE °C -55 to +75

WINDOW SPECIFICATIONS

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 0.78/19.8
AREAL DENSITY (MG/CM²) 3.0 - 4.0

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING VOLTAGE (VOLTS) 900
RECOMMENDED ANODE RESISTOR (MEG OHM) 3.3
OPERATING VOLTAGE RANGE (VOLTS) 850-1000
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 10
MINIMUM DEAD TIME (MICRO SEC) 100
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 55
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 92
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 60
MAXIMUM STARTING VOLTAGE (VOLTS) 800