LND 7231

End window-alpha-beta-gamma detector

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GENERAL SPECIFICATIONS
Gas filling  Ne +Halogen
Cathode material  446 Stainless Steel
Maximum length (inch/mm) 0.89/22.6
Effective length (inch/mm) 0.48/12.2
Maximum diameter (inch/mm) 1.31/33.3
Effective diameter (inch/mm) 1.13/28.6
Connector  Pin
Operating temperature range °C  -40 to +75
WINDOW SPECIFICATIONS
Areal density (mg/cm²) 1.5-2.0
Effective diameter (inch/mm) 1.13/28.6
Material  Mica
ELECTRICAL SPECIFICATIONS
Recommended anode resistor (meg ohm)  4.7
Maximum starting voltage (volts) 375
Recommended operating voltage (volts) 500
Operating voltage range (volts) 450-700
Maximum plateau slope (%/100 volts)  7
Minimum dead time (micro sec)  30
Gamma sensitivity Co60 (cps/mr/hr) 25
Tube capacitance (pf) 3
Weight (grams) 30
Maximum background shielded 50mm Pb + 3mm Al (cpm) 18
Minimum anode resistor (meg ohm)  3.3