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SRG-4000 Portable Surface Roughness TesterWith a professional and technical surface roughness Tester, the SRG-4000 is designed with the Operating Environment in mind. This kind of surface roughness Tester is distinguished from other brand products by high precision, more measurement parameters and simple operation. The PHASE II Surface Roughness Tester is extremely sensitive and highly accurate, providing measurement of multiple surface roughness parameters, including Ra, Rq(Rms), Rt and Rz.
The high sensitivity and precision of the diamond stylus enable a display resolution of up to 0.001 microns. The SRG-4000 uses a simple internal structure that allows for metric to inch conversion, measurement length, sample length, parameters, test level (sensor position), digital filter and much more!
The battery-powered portability allows the SRG-4500 Surface Roughness Tester to increase productivity throughout the job shop.



Functional features
Menu-driven operating system
Capable of measuring 4 different roughness parameters
The roughness of the I/O.D. surface can be measured
Sensor stylus position indication
RS232 output to printer/PC
Expand storage capabilities
PhaseII SRG-4000 Surface roughness meterSpecifications
| LIST | VALUE |
|---|---|
| Display mode | digital display |
| Measurement parameters | Ra, Rz, Rq, Rt |
| Measurement range | a, Rq:0.005-16μm Rz, Rt:0.02-160μm |
| Resolution | 0.001μm|0.002μm|0.004μm |
| Sensors Measurement range | ±80μm |
| Sensors stylus | Diamond, 5μm tip radius |
| Sensors Stylus Angle | 90° |
| Sensors Stylus Force Measurement | <4mN (0.4gf) |
| Interface | RS232 output to printer/PC |
| Sampling length | 0.25mm/0.8mm/2.5mm |
| Sensors - Materials | Diamond tip radius is 5μm |
| Stroke length | 1.3~17.5mm |
| filter | RC, PC-RC, GUASSIAN, D-P |
| Power Supply | Built-in lithium-ion rechargeable battery, Charging time is about 3 hours |
| Dimensions | 139*56*48mm |
| Product Weight | 450g |
| Operating Conditions | 5~40℃ |
| Applicable standards | ISO/DIN/JIS/ANSI |
| Measurement unit | Metric μm; imperial μinch |
PhaseII SRG-4000 Surface roughness meter Packing list
Host X1, Sensors X1, Operation Manual X1, Instrument Case X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Measurement Principle of PhaseII PTG Coating Thickness Gauge
- Specification for surface finish of plastic parts
- Two Methods of Measuring Surface Roughness
- What data is the surface roughness mainly evaluated by?
- What are the main manifestations of the influence of surface roughness on parts?
- What are the application fields of surface roughness meter?
- Parameter analysis of surface roughness meter
- How to test the surface roughness of paper by needle tracing method?
- What is a roughness meter?
- Bendtsen Instrument Rapid Determination Method for Surface Roughness of Test Paper and Cardboard
- ActiveGB/T 28210-2024
- ActiveJJG (轻工) 52-2000
- ActiveQB/T 2693-2005
- ActiveGB/T 13288.2-2011
- AbolishGB/T 6060.5-1988


PhaseII
SRG-4000





