| (ThermoMeter) انواع دماسنجها
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            | 
             Infrared Thermometer AR842 
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            | Made By : Huatec - China | 
         
        
            | "Product PDF" | 
         
        
            | Specification : | 
         
        
            | Temperature range | 
            -50 to 550ºC (-58 to 1022ºF) | 
         
        
            | Repeatability  | 
            1% of  reading or 1ºC | 
         
        
            | Response time  | 
            500 mSec , 95% response | 
         
        
            | Spectral response  | 
            8-14 um | 
         
        
            | Emissivity | 
            pre-set 0.95 , 0.10 to 1.00 adjustable  | 
         
        
            | Ambient operation range | 
            0 to 40 ºC (32 to 104ºF) | 
         
        
            | Relative Humidity | 
            10-95% Rh noncondensing ,upto 30ºC(86ºF) | 
         
        
            | Storage Temprature  | 
            -20 to 60ºC, ≤ 85%RH ,without battery | 
         
        
            | Weight/Dimension  | 
            170 g ; 175*100*49 mm | 
         
        
            | Power | 
            9V Alkaline | 
         
        
            | Battery Life | 
            Laser Model : 12hrs | 
         
        
            | Distance to Spot Size | 
            12:1 | 
         
    
 
  
                     
                     
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