Ludlum Model 2241-3 Multi Detector Digital Radiation Survey Rate Meter USD 980.0 Category : Radiation Detectors Seller : awolfers(529, 100.0%) | Ludlum Model 2401-EC Handheld Radiation Survey Meter - WITHIN CALIBRATION!! USD 385.0 Category : Radiation Detectors Seller : awolfers(529, 100.0%) |