7243

End window-alpha-beta-gamma detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 0.75/19.1
MAXIMUM DIAMETER (INCH/MM) 0.71/18.0
GAS FILLING Ne +Halogen
EFFECTIVE LENGTH (INCH/MM) 0.25/6.35
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.63/15.9
CONNECTOR Pin
OPERATING TEMPERATURE RANGE °C -40 to +75

WINDOW SPECIFICATIONS

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 0.63/15.9
AREAL DENSITY (MG/CM²) 2.0

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) 8
MINIMUM DEAD TIME (MICRO SEC) 45
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 6
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 10
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 4
MAXIMUM STARTING VOLTAGE (VOLTS) 350
MINIMUM ANODE RESISTOR (MEG OHM) 2.7