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​Ludlum Tritium Radiation Air Monitors
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Model 3100
Ludlum Part Number: 48-4282-1
Portable Tritium in Air Monitor
No Zero Adjust Control Needed
Easily Calibrated with 137Cs Gamma Range
Temperature and Altitude Compensation
"Check Mode" Self-Test Feature Determines Instrument State of Health
Digital Backlit Display with Status, Airflow Readout, and Diagnostic Information
Purge Mode to Dry Ion Chamber
Internal Chamber with Replaceable Desiccant
Passed USA Military Tests Including: MIL-STD-810G, MIL-STD-461G, MIL-STD-901D, MIL-STD-1399
Readout in µCi/m3 or MBq/m3
​Data Sheet
Product Manual
​Calibration Software Manual
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Model 3101
Ludlum Part Number: 48-4366
No Zero Adjust Control Needed
Easily Calibrated with 137Cs Gamma Range
Temperature and Altitude Compensation
"Check Mode" Self-Test Feature Determines Instrument State of Health
Digital Backlit Display with Status, Airflow 
​​Readout, and Diagnostic Information
Internal Heater Element Purge Mode to Dry Ion Chamber
Readout in µCi/m3 or MBq/m3
​Data Sheet
Product Manual