GM Tubes - LND 7312

7312

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