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        Surface Roughness GaugeHome > Products > Surface Roughness Gauge
        
      
        
        
        
        
        

          
        
           Surface Roughness Tester Gauge SDR990
          
        
          
        

            
          
            
          Surface Roughness Tester Gauge SDR990
          
              
            
        
          
        
          
        
        
        
        
        
          
        Description:
        The Portable Surface Roughness Tester Gauge SDR990 is a high precision surface finish tester that can measure the surface roughness of a variety of machined parts, including plane, bevel, outer cylinder, curved surface, small hole, groove and axle

        Main Features:
        ●Mechatronics design, small size, light weight, easy to use; 
        ●DSP chip for control and data processing, fast speed, low power consumption; 
        ●Compatible with ISO, DIN, ANSI, JIS national standards; 
        ●Continuous working time greater than 20 hours 
        ●Large capacity data storage, can store 100 groups of original data and waveforms. 
        ●Real-time clock setting and display, convenient data recording and storage. 
        ●With automatic sleep, automatic shutdown and other power saving functions 
        ●Reliable anti-motor dead circuit and software design 
        ●Display measurement information, menu prompt information, error information and switch on and off a variety of prompt information; 
        ●Chinese/English language selection; 
        ●Can connect computer and printer; Print all parameters or any parameters set by the user. 
        ●Bluetooth function is optional. 
        ●Optional accessories such as curved surface sensor, small hole sensor, measuring platform, sensor sheath, length bar and so on

        Technical Parameter:
        Measuring Range
        Ra:0.005~16.00μm
        Range Ability
        ±20μm, ±40μm, ±80μm
        Sampling Length
        0.25, 0.80, 2.50, automatic
        Indicating Accuracy
        0.001μm
        Rating Length
        1L-5L
        Measuring Stroke Length
        3L-7L
        Maximum Drive Travel Length
        17.5mm / 0.71 inch
        Minimum Drive Travel Length
        1.3mm / 0.052 inch
        Error of indication
        ±7% indicates value variability < 6% tip Angle 90°
        Battery
        Built-in lithium-ion rechargeable battery
        Data Storage
        100 sets data
        Phase measuring profilometry
        Roughness, waviness, original profile filter RC,PC-RC,Gauss,D-P
        Size
        141mmx55mmx40mm
        Weight of Host
        About 400g
        Data Interface
        USB
        Work Environment
        -20℃~40℃ , Humidity: < 90% RH
        Storage environment
        -40℃~60℃ , Humidity: < 90% RH
        Measuring Parameters
        Ra,Rz=Ry(JS),Rq,Rt=Rmax,Rp,Rv,R3z,R3y,
        RzJS,Rs,Rsk,Rku,Rsm,Rmr
        Indication Range
        Ra,Rq:0.005~16μm; Rz,Rv,R3z,Rt,Rp,R3z:0.02~160μm Rsm, Rs:1mm; Rmr:0~100%; Rsk:0~100%

        
        
        
        
        
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