7312 Pancake Tube

7312 Pancake Tube

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

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