715

Mica window-alpha-beta-gamma detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 1.41/35.9
MAXIMUM DIAMETER (INCH/MM) 0.34/8.7
GAS FILLING Ne +Halogen
EFFECTIVE LENGTH (INCH/MM) 0.33/8.33
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.14/3.5
CONNECTOR Grid Cap
OPERATING TEMPERATURE RANGE °C -40 to +75

WINDOW SPECIFICATIONS

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 0.14/3.5
AREAL DENSITY (MG/CM²) 1.8 - 2.2

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING VOLTAGE (VOLTS) 550
RECOMMENDED ANODE RESISTOR (MEG OHM) 4.7
OPERATING VOLTAGE RANGE (VOLTS) 450 - 650
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 20
MINIMUM DEAD TIME (MICRO SEC) 30
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 0.5
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 6
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 3
MAXIMUM STARTING VOLTAGE (VOLTS) 400