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