7121

Gamma detector

GENERAL SPECIFICATIONS

MAXIMUM LENGTH (INCH/MM) 1.94/49.2
MAXIMUM DIAMETER (INCH/MM) 0.59/15.1
GAS FILLING Ne +Halogen
EFFECTIVE LENGTH (INCH/MM) 1.5/38.1
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) .36/9.1
CONNECTOR Pin
OPERATING TEMPERATURE RANGE °C -40 to +75

WINDOW SPECIFICATIONS

MATERIAL Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.36/9.1

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING VOLTAGE (VOLTS) 500
RECOMMENDED ANODE RESISTOR (MEG OHM) 10
OPERATING VOLTAGE RANGE (VOLTS) 450 - 650
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 6
MINIMUM DEAD TIME (MICRO SEC) 90
GAMMA SENSITIVITY Cs-137 (CPS/mR/HR) 18
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 8
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 10
MAXIMUM STARTING VOLTAGE (VOLTS) 325