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             Survey Meter Rados 31 
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            | "Product PDF" | 
         
        
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            The new RDS-31S/R Multi-purpose Survey Meter is part of the RDS family of 
            RADOS survey meters and offers modern design and an advanced approach to 
            radiation monitoring. The RDS-31 features outstanding ergonomics; it is 
            lightweight and easy to handle with visual, audible and vibrating alarms.  | 
         
        
            | TECHNICAL SPECIFICATIONS: | 
         
        
            | Radiological Characteristics | 
            radiation detected: gamma and X-rays, 48keV...3MeV. Alpha, Beta radiation with an external • ernal probe 
            • detectors: one energy-compensated GM tube, energy response according to ambient dose 
            equivalent H*(10) 
            • dose rate measurement range: 0.01 μSv/h...0.1 Sv/h or 1 μrem/h...10 rem/h 
            • dose measurement range: 0.01 μSv...10 Sv or 1 μrem...1000 rem 
            • resolution: three signifi cant digits or 0.01 μSv/h on dose rate and 0.01 μSv on dose ( 1 μrem/h on dose rate and 
            1 μrem on dose) 
            • calibration accuracy: ± 5%, 137Cs , calibration direction and in the calibration fi eld, temperature +20 °C (68°F) 
            • dose rate linearity: ± 15% ± least signifi cant number 0.05 μSv/h...0.1 Sv/h (5 μrem/h to 10rem/h) 
            • variation of the response due to photon radiation energy (RE) and angle of incidence (RE, A): 
            71% <RE, A < 160% (48 keV...3 MeV); ± 60°) | 
         
        
            | Functional Characteristics | 
            • two buttons to operate the instrument 
            • confi gurable units: Sv(/h), R(/h), with external detector Gy(/h), cps, cpm, dpm and Bq 
            • fl exible histogram functions ( dose rate, dose, diagnostic logging depending on confi guration, time stamp, 
            optional location control for mapping and repeating room measurement analysis) 
            • additional histogram analyzing capabilities on CSW-software 
            • real time clock function 
            • confi gurable audible, visual and vibration alarm 
            • RF-communication and USB-communication with suitable adapter 
            • customized LCD display with 5 digit 14-segment fl oating point area and special symbols for alarm, external 
            probe, battery, RF-communication, vibration alarm, chirp and mute | 
         
        
            |  Electrical Characteristics | 
            • power supply: 2 AA size batteries (alkaline or NiMH) 
            • contacts for external power and charging of NiMH battery (charging conditions +5... +35°C) 
            • operation time with fresh alcaline batteries more than 4 months at background radiation at +23°C, 8 h use/24h 
            • operation time with fully charged NiMH batteries more than 1 month at background radiation at +23°C, 8 h 
            use/24h. At higher/lower temperatures the operation will be shorter. | 
         
        
            | Mechanical Characteristics | 
            • case high impact durable plastics reinforced with glass fi bre 
            • ergonomic design, rubber grip and cushion around the case 
            • enclosure class IP67 (IEC 60529), water proof including battery compartment 
            • dimensions: 100 x 67 x 33 mm (3.93 x 2.63 x 1.29 in) 
            • weight: 175 g without batteries (0.385 lb), 220 g with batteries (0.485 lb) 
            • wrist/neck strap 
            • belt clip | 
         
        
            | Environmental Characteristics | 
            • -25°C...+60°C (-40°F to 131°F), operating temperature 
            • -40°C...+70°C (-40°F to 158°F), storage temperature 
            • relative humidity: up to 85% at +35°C (95 °F) 
            • fulfi lls the RF-immunity levels of applicable standard | 
         
        
            | Options | 
            • electrical cradle or mechanical cradle e.g. for easy vehicle fi xing 
            • table top model 
            • pocket/belt clip/pouch | 
         
    
 
  
                     
                     
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