Pancake mica window-alpha-beta-gamma detector
GENERAL SPECIFICATIONS
MAXIMUM LENGTH (INCH/MM) 3.00/76.1
MAXIMUM DIAMETER (INCH/MM) 2.11/53.6
GAS FILLING Ne +Halogen
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 1.75/44.5
CONNECTOR Grid Cap
OPERATING TEMPERATURE RANGE °C -40 to +75
EFFECTIVE DEPTH (INCH/MM) 0.5/12.7
WINDOW SPECIFICATIONS
MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 1.75/44.5
AREAL DENSITY (MG/CM²) 1.5-2.0
ELECTRICAL SPECIFICATIONS
RECOMMENDED OPERATING VOLTAGE (VOLTS) 500
RECOMMENDED ANODE RESISTOR (MEG OHM) 4.7
OPERATING VOLTAGE RANGE (VOLTS) 475-675
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 10
MINIMUM DEAD TIME (MICRO SEC) 40
GAMMA SENSITIVITY CO60 (CPS/mR/HR) 55
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 125
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 30
MAXIMUM STARTING VOLTAGE (VOLTS) 425
MINIMUM ANODE RESISTOR (MEG OHM) 3.3