Radiation I: Detecting Radiation

• General measuring equipment
  • 1-m sticks
  • Rulers
  • Calipers
  • Tape (a couple rolls)

• Radiation sources
  • Gamma emitters: Cs-137 buttons (7)
  • Beta emitters: Sr-90 buttons (7)
  • Alpha emitters: Am-241 slides (2)
  • Lead shielding (3 blocks)

• Absorber materials
  • Thin lead blocks (4 sets of 4 blocks)
  • Aluminum cylinders (4 sets of 7 different thicknesses)
  • Iron cylinders (4 sets of 7 different thicknesses)
  • Wood/paper squares (4 sets of mix of wood and paper)
  • Gloves (in assorted sizes) for handling lead

• Demo items
  • Survey meter
  • GM tube with a broken window (so you can see inside)
  • Smoke detector (so you can see the Am-241 source)

• Extra equipment
  • GM tube in holder (1 or 2 extras)
  • ST370 Radiation Counter (1 or 2 extras)
  • BNC cable (1 or 2 extras)
  • USB cable (1 or 2 extras)

• Whiteboard
  • assortment of dry erase markers
  • an eraser

• Detection equipment
  • GM tube in holder (w/ source holder and absorber holder slides)
  • ST370 Radiation Counter
  • BNC cable
  • USB cable

Connect equipment at each station and test with the STX software (with high voltage set to +950 V) using a button source.