Ludlum Model 9-3 Radiation Ion Chamber

• 5 Ranges from Background to 50 R/hr

• 1000 mg/cm² Retractable Beta Shield

• Temperature Compensated

• Low Battery Warning

• High Background Zero Capability

• Proportional Audio Output

Ludlum Model 9-4 Pressure Compensated Radiation Ion Chamber

• 5 Ranges from Background to 50 R/hr

• 1000 mg/cm² Retractable Beta Shield

• Automatic Temperature and Pressure Compensation

• Low Battery Warning

• High Background Zero Capability

• PC-Controlled Calibration

Ludlum Model 9-7 High Range Radiation Ion Chamber

• Direct Replacement for the Eberline Model RO-7

• Adapts to Existing Eberline RO-7 Detectors

• Design Improvements

  • Standard "D" Size Batteries

  • Separate Battery Compartment for Field Replacements

  • Eliminated Mechanical Switch

  • Backlit LCD

Ludlum Model 9DP Pressurized Ion Camber Survey Meter

• 0 - 5 R/hr Range with uR/hr Sensitivity

• Sunlight Readable Color Display

• Auto Zeroing & Ranging

• Rechargeable Batteries

• Alarming Capability

• Rate, Integrate & Peak Hold Readouts

• Data Logging

• USB Connectivity

• Free Firmware Updates through Internet