LND 7121

Gamma detector

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WINDOW SPECIFICATIONS
Effective diameter (inch/mm) 0.36/9.1
Material  Stainless Steel
Thickness (inch/mm) 0.010/0.254
GENERAL SPECIFICATIONS
Gas filling  Ne +Halogen
Cathode material  446 Stainless Steel
Maximum length (inch/mm) 1.94/49.2
Effective length (inch/mm) 1.5/38.1
Maximum diameter (inch/mm) 0.59/15.1
Connector  Pin
Operating temperature range °C  -10 to +75
ELECTRICAL SPECIFICATIONS
Recommended anode resistor (meg ohm)  10
Maximum starting voltage (volts) 325
Recommended operating voltage (volts) 500
Operating voltage range (volts) 450 - 650
Maximum plateau slope (%/100 volts)  6
Minimum dead time (micro sec)  90
Gamma sensitivity Co60 (cps/mr/hr) 18
Tube capacitance (pf) 3
Weight (grams) 8
Maximum background shielded 50mm Pb + 3mm Al (cpm) 10