Ludlum Model 177 Radiation Alarm Ratemeter

• 4 Decade Range

• Linear Analog Scale Readout

• Adjustable Alarms

• 50 Hour Rechargeable Battery

• Supports GM and Scintillation Type Radiation Detectors

• Total Counting Range from 0 - 500,000 cpm

Ludlum Model 177-50 Radiation Alarm Ratemeter

• 4 Decade Range

• Logarithmic Analog Scale Readout

• Auto Response Time

• Adjustable Alarms

• 50 Hour Rechargeable Battery

• Supports G-M, Scintillation and Proportional Type Radiation Detectors

• Total Counting Range from 10 - 1,000,000 cpm

Ludlum Model 177-61 Radiation Alarm Ratemeter

• 4 Decade Range

• Linear Analog Scale Readout

• Adjustable Alarms

• 50 Hour Rechargeable Battery

• Supports G-M, Proportional, and Scintillation Type Radiation Detectors

• Total Counting Range from 0 - 500,000 cpm