727

End window-alpha-beta-gamma detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 4.32/109.7
MAXIMUM DIAMETER (INCH/MM) 1.38/34.9
GAS FILLING He + Organic
EFFECTIVE LENGTH (INCH/MM) 2.6/66.0
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 1.13/28.6
CONNECTOR Jedec A4-9
OPERATING TEMPERATURE RANGE °C 0 to +40

WINDOW SPECIFICATIONS

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 1.13/28.6
AREAL DENSITY (MG/CM²) 2.0

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING VOLTAGE (VOLTS) 1400
RECOMMENDED ANODE RESISTOR (MEG OHM) 1
OPERATING VOLTAGE RANGE (VOLTS) 1300 - 1600
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 3
MINIMUM DEAD TIME (MICRO SEC) 150
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 22
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 150
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 30
MAXIMUM STARTING VOLTAGE (VOLTS) 1250