Surface Roughness Tester

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SURFACE ROUGHNESS TESTER SRT-6200

Introduction

Mextech SRT-6200 Surface Roughness Tester

The Mextech SRT-6200 Surface Roughness Tester is a highly accurate, portable, and professional-grade device designed to measure surface texture parameters such as Ra, Rz, Rq, and Rt. Ideal for machining, metal fabrication, manufacturing, and quality control inspections, this tester ensures reliable surface evaluation for engineering components, molds, tools, and precision-machined parts.

Built for industrial performance with superior measurement sensors, the SRT-6200 guarantees consistent, stable, and precise results for both laboratory and on-site testing.

Product Description

The Mextech SRT-6200 Surface Roughness Tester is engineered with advanced sensor technology to deliver fast, accurate, and repeatable surface roughness measurements. Featuring an intuitive display, multiple measurement parameters, and robust construction, it meets the needs of manufacturers, QA/QC engineers, and precision machining professionals.

Designed for easy operation, the SRT-6200 provides clear readings on a digital LCD, making it ideal for production lines, inspection rooms, and field analysis. Whether you’re evaluating metal, plastic, glass, ceramic, or composite surfaces, this tester ensures dependable performance every time.

Benefits of Mextech SRT-6200 Surface Roughness Tester

  • Improves manufacturing quality by identifying surface defects
  • Ensures precision machining standards
  • Enhances product consistency and reliability
  • Reduces rework, rejects & production downtime
  • Fast and portable—ideal for field inspections
  • User-friendly interface for engineers & technicians
  • Suitable for multiple industries and materials

Frequently Asked Questions (FAQs)

1. What is a Surface Roughness Tester used for?

It measures the surface texture or roughness of a material to ensure machining, finishing, and quality standards are met.

2. What parameters does the SRT-6200 measure?

It measures Ra, Rz, Rq, Rt—common roughness standards used worldwide.

3. Is the Mextech SRT-6200 portable?

Yes, its lightweight design makes it perfect for field inspections and on-site quality checks.

4. Can it measure non-metal surfaces?

Yes, it can assess metals, plastics, ceramics, glass, wood, and composites.

5. Does it provide digital results?

Yes, the LCD screen provides quick, clear, and accurate readings.

6. Is calibration required?

Minimal calibration is needed. Sensors are designed for long-term accuracy.

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Probe Angle: 90°
PC Interface : RS 232
Cutoff length 0.25mm / 0.8mm / 2.5mm (Selectable)
Operating conditions: Temp. 0~50℃ , Humidity <80% RH
Power Supply: Li-ion battery inbuilt & rechargeable
Display Size: 43 X 29mm.
Unit Size : 140 X 57 X 48mm(5.5 X 2.2 X 1.9 inch)
Weight: About 420 gms

Display: 4 digits, 10 mm LCD, with blue backlight
Parameters: Ra, Rz
Measuring Range
Ra : 0.05-10.00μm/1.000-400.0μinch
Rz : 0.020-100.0 μm /0.780-4000uinch
Accuracy: Not more than 10%
Self Calibration Function
Sensor :
Test Principle: Inductance type
Radius of Probe Pin: 10μm
Material of Probe Pin: Diamond

Applications of SRT-6200 Surface Roughness Tester

Manufacturing & Machining

  • CNC machined components

  • Molds & tooling

  • Precision parts

  • Automotive components

  • Aerospace parts

Metal & Industrial Fabrication

  • Sheet metal finishing

  • Surface treatment evaluation

  • Grinding, polishing & laser cutting quality checks

QA/QC & Inspection Departments

  • Incoming raw material inspection

  • In-process quality checks

  • Final product verification

Other Industries

  • Electronics

  • Plastics & polymers

  • Ceramics

  • Research & material laboratories

This instrument is widely used in production site to measure surface roughness of various machinery processed
parts, calculate corresponding parameters according to selected measuring conditions and clearly
display all measurement parameters.

Instruction Manual, Battery Charger, Sensor, Calibration Block, Adjustable leg, Screwdriver sheath of sensor,
carrying case.
OPTIONAL ACCESSORIES
RS 232 cable & Software.

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