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Shenzhen Graigar Technology Co., Ltd
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Handheld NDT Instruments Surface Roughness Measurement Meter Tester Ra Rz Rq Rt
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
SRT-6210 NDT Instruments Surface Roughness Tester SRT6210 Surface Roughness Meter Ra,Rz,Rq,Rt
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SRT-6210 NDT Instruments Surface Roughness Tester SRT6210 Surface Roughness Meter Ra,Rz,Rq,Rt
Application:
Widely used in production site to measure surface roughness of various machinery-processed parts, calculate correspondingparameters according to selected measuring conditions and clearly display all measurement parameters.
Features:
* Be compatible with four standards of ISO, DIN, ANSI and JIS. When measuring the roughness of a surface, the sensor is placed on the surface and then uniformly slides along the surface by driving the mechanism inside the tester. The sensor gets the surface roughness by the sharp built-in probe. This roughness causes displacement of the probe which results in change of inductive amount of induction coils so as to generate analogue signal, which is in proportion to the surface roughness at output end of phase-sensitive rectifier. The exclusive DSP processes and calculates and then outputs the measurement results on LCD.
* Multiple parameter measurement: Ra, Rz, Rq, Rt.
* Highly sophisticated inductance sensor.
* Four wave filtering methods : RC, PC-RC, GAUSS and D-P.
* Built-in lithium ion rechargeable battery and control circuit with high capacity.
* Small in size, light in weight and easy to use.
*Manual or automatic shut down.
* Can memorize 7 groups of measurement results and measuring conditions for later use or download to PC.
* Metric /Imperial Conversion.
* Use “USB data output” and “RS-232 data output” to connect with PC.
* Provide “Bluetooth ™ data output” choice.
Specification:
| Display | 4 digits, 10 mm LCD, with blue backlight | |
| Parameters | Ra,Rz,Rq,Rt | |
| Measuring Range
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Ra,Rq:0.005~16.00 um / 0.020~629.9 uinch
Rz,Rt:0.020~160.0 um / 0.078~6299 uinch
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| Accuracy | ≤ ± 10% | |
| Fluctuation of display value | Not more than 6% | |
| Sensor | Test Principle | Inductance type |
| Radius of Probe Pin | 5 um | |
| Material of Probe Pin | Diamond | |
| Dynamo-measurement of Probe | 4 mN(0.4 gf) | |
| Probe Angle | 90° | |
| Vertical Radius of Guiding Head | 48 mm | |
| Maximum driving stroke | 17.5 mm / 0.7 inch | |
| Cutoff length (l) | 0.25 mm / 0.8 mm / 2.5 mm optional | |
| Driving speed | Sampling | When Length = 0.25 mm, Vt = 0.135 mm/s |
| When Length = 0.8 mm, Vt = 0.5 mm/s | ||
| When Length = 2.5 mm, Vt = 1 mm/s | ||
| Returning | Vt = 1 mm/s | |
| Profile digital filter | Filtered Profile | RC,PC-RC,GAUSS |
| Non-Filtered Profile | D-P | |
| Resolution | 0.001 um, if reading 10um | |
| 0.01 um, if 10um ≤ reading ≤ 100um | ||
| 0.1 um, if reading ≥ 100um | ||
| Evaluation length | 1~5 L optional | |
| Auto Power Off | ||
| Data Memorize | 7 Groups | |
| Operating conditions | Temperature: 0~50 Humidity: 80 %RH | |
| Power Supply | Built-in rechargeable Li-ion battery | |
| Dimensions | 140 × 52 × 48 mm | |
| Weight | &
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