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                VERY RUGGED CONSTRUCTION 
                 
                  HIGH SENSITIVITY 
                 
                  LONG BATTERY 
                LIFE 
                 
                  SMALL SIZE 
                AND WEIGHT 
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            The 
              model 4084 is a dosimeter for use in hostile environments. It has 
              a high sensitivity of 0.01 mR (0.1 mGy) for the first digit. It 
              is ideal for anyone who works around radiation and wants a constant 
              indication of their exposure. Because of its sensitivity it quickly 
              indicates levels above background.  
                
                Specifications 
                   
                Mechanical 
                   
                Dimensions: 3.4"H x 2.26"W x 1.48"D (8.6cm H x 
                5.7cm W x 3.8cm D) 
                  Weight: 
                7.3 oz (207 gm) 
                  Case Construction: 
                Sealed cast aluminum enclosure 
                  Display 
                window: Polycarbonate 
                  External 
                controls: On-off guarded toggle switch. 
                  Internal 
                controls: Calibrate adjustment, Beeper on-off 
                  Clip: Removable, 
                snap-on, with anti-tear grippers 
                 
               Electrical 
                  Detector: 
                Solid state PIN diode 
                  Display: 
                6 digit LCD 3/16" digits 
                  Audio: 
                Piezo electric. Sound emitted from front of case. 
                  Batteries: 
                2 ea. BR2325 Lithium cells 
                  Calibration: 
                Adjustable by internal control 
                 
                Operational 
                  Range: 
                0.01 to 9999.99 mR/h (0.1 mGy to 99999.9 mGy) 
                  Beep rate: 
                Beeps on every 0.01 mR (0.1 mGy) and at turn on. If beeper is 
                switched off it still beeps at turn on to show battery condition. 
                  Battery 
                Warning: Beep changes to a short beep if battery is bad. 
                  Battery 
                Life: 2000 hr. 
                  Accuracy: 
                20%  
                  Exposure 
                Rate Response: +0, -15% up to 5 R/h; Responds at 1000 R/h 
                  Temp dependence: 
                10% from 15 C to 35 C, 20% from 0 C to 50 C. Storage from  
                  Shock Factor: 
                Mild shocks will have no effect. Large shocks may increment display 
                by 0.01 mR (0.1 mGy) 
                  Temperature 
                Range:C to 50 °C 
                  Recommenced 
                Calibration Source: Cs137 
                  Recommended 
                calibration interval: 1 year.  
                 
                Options 
                  Options: 
                Lanyard 
                  Accessories:Batteries 
                  Equipment:Supplied 
                with manual, batteries and calibration certificate. 
                  
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