Victoreen 660 Digital Radiation Survey Meter

• Wide-range gamma ray and x-ray exposure and exposure rate measuring system.
• Can also be used for alpha and beta radiation measurement using different probes.

Small Probe: 6.36 cm diameter by 0.4 cm thick (10 cm² by 0.4 cm)

Large Probe: 63.63 cm diameter by 4 cm thick (100 cm² by 4.0 cm)
 

Controls:

• Function Switch - OFF, RATE, EXP
• Reset Switch - RUN, STOP, RESET

Readout:

• Integrated (Ranges) -
  1. 0.1 mR to 9.99 mR for the 10 cm² probe
  2. 0.001 mR to 99.9 mR for the 100 cm² probe.
• Rate (Ranges) -
  1. 99.9 R per min to 0.001 R per min with the 10 cm² probe
  2. 9.99 R per hour to 0.1 mR per hour with the 100 cm² probe.