7311

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
CONNECTOR Grid Cap
OPERATING TEMPERATURE RANGE °C -55 to +75
EFFECTIVE DEPTH (INCH/MM) 0.5/12.7
EFFECTIVE DIAMETER (INCH/MM) 1.75/44.5

Window Specifications

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 1.75/44.5
AREAL DENSITY (MG/CM²) 2.0

Electrical Specifications

OPERATING VOLTAGE RANGE (VOLTS) 850-1000
RECOMMENDED OPERATING VOLTAGE (VOLTS) 900
RECOMMENDED ANODE RESISTOR (MEG OHM) 3.3
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 10
MINIMUM DEAD TIME (MICRO SEC) 20
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 125
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 30
MAXIMUM STARTING VOLTAGE (VOLTS) 750
GAMMA SENSITIVITY (CS137) 55 CPS/mR/hr