Surface Roughness Tester – Profilometer QualiSurf-200 features a compact, lightweight design that’s easy to operate. It accurately measures surface roughness on a wide range of machined parts without causing any damage. With an extended measuring range and high precision, it supports multiple parameter options for greater flexibility. This device can assess flat surfaces, outer cylindrical shapes, conical forms, inner holes, grooves, and curved profiles. It's well-suited for use in metal and non-metal fabrication, automotive production, aerospace applications, and more.

QualiSurf-200 is a handheld device designed for use in production environments and mobile measurement tasks. It accurately measures the surface roughness of various machined parts, calculates values based on selected settings, and displays all results including parameter data and profile graphics on its built-in screen.

The instrument adheres to current international standards for surface roughness measurement and supports a wide range of standard parameters. It’s well-suited for use in manufacturing, quality control, and inspection departments especially for on-site checks of large workpieces and production lines, as well as outbound testing without causing any damage to the part.

Surface Roughness Tester – Profilometer QualiSurf-200

Surface Roughness Tester – Profilometer QualiSurf-200

Scope of Use

Surface Roughness Tester – Profilometer QualiSurf-200 assesses surface roughness by measuring microscopic geometric features such as Ra (arithmetic mean deviation of the profile). These measurements provide valuable insights into the effectiveness of manufacturing processes and offer data to help optimize production methods—ultimately supporting product quality and performance. It is suitable for use in industries such as metal and non-metal manufacturing, automotive, and aerospace. The instrument can measure a variety of surfaces, including flat areas, outer cylindrical shapes, conical sections, inner holes, grooves, and curved profiles.

Surface Roughness Tester – Profilometer QualiSurf-200 Advantages

Compact, lightweight mechatronic design for easy handling
Powered by a DSP chip for fast processing and low power consumption
Supports multiple surface roughness parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, Rz (JIS), Rs, Rsk, Rsm, Rku, Rmr, Ry (JIS) = Rz, Rmax = Rt
Complies with international standards including ISO, DIN, ANSI, JIS, and others
Connects to a computer or printer for data transfer
Allows printing of all parameters or user-selected values

Surface Roughness Tester – Profilometer QualiSurf-200 Features

Compact, lightweight mechatronic design for easy handling and portability
Advanced DSP chip ensures fast data processing with low power consumption
Supports a wide range of roughness parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, Rz (JIS), Rs, Rsk, Rsm, Rku, Rmr, Ry (JIS), Rmax
High-end models include additional parameters: RPc, RK, RpK, RvK, Mrl, Mr2, and more
Measures within a large range up to 160 µm
50×40 mm high-brightness color LCD with wide viewing angles and clear digital/graphical display
Displays comprehensive measurement data and profile graphics in an intuitive format
Complies with international standards including ISO, DIN, ANSI, JIS, and others
Built-in high-capacity lithium-ion rechargeable battery with intelligent charging control; no memory effect
Battery status icon alerts users when charging is needed
Charging indicator displays real-time progress
Operates continuously for over 20 hours on a full charge
Large internal memory stores up to 100 sets of measurement data and waveform profiles
Real-time clock for accurate time-stamped data recording
Energy-saving functions including auto sleep and auto shut-off
Reliable motor protection and software safeguards
Displays clear prompts for measurement status, menu navigation, errors, power states, and more
Ergonomic, durable casing design for enhanced portability and reliability
Multilingual interface with English language and other options
Connects easily to computers and printers for data transfer and reporting
Allows printing of all or user-selected measurement parameters
Includes a high-precision calibration block made of optical glass—scratch-resistant and long-lasting
Optional accessories available: curved surface sensors, small hole sensors, deep groove sensors, measuring stands, sensor sheaths, extension rods, and more

Surface Roughness Tester – Profilometer QualiSurf-200 Technical Specifications

Name		Content
Measuring range	Z axis (vertical)	160um;
Measuring range	X-axis (horizontal)	17.5mm (0.71inch);
Resolution	Z axis (vertical)	0.002um ±20um;
		0.004um ±40um;
		0.008um ±80um;
Project	Parameter	Ra Rz==Ry(JIS) Rq Rt==Rmax; Rp Rv R3z R3y Rz(JIS); Rs Rsk Rku Rsm Rmr; Rpc RK Rpk Rvk Mr1 Mr2;
	Standard	ISO4287 international standard; ANSI B46.1 American standard; DIN4768 German standard; JIS B601 Japanese standard
	Graphics	Support ratio curve, roughness, original profile, filtered waveform;
Filter		RC, PC-RC, Gauss, DP;
Sampling length (lr)		0.25,0.8,2.5;
Evaluation length (ln)		Ln=lr×nn=1～5;
Sensor	Measuring principle	Displacement differential inductor;
	Contact pin	Natural diamond, 90° cone angle, tip 5um;
	Force measurement	＜4mN;
	Guide head	Hard alloy, sliding radius 40mm;
	Gliding speed	lr= 0.25, Vt=0.135mm/S;
		lr= 0.8, Vt=0.5mm/S;
		lr= 2.5, Vt=1mm/S;
		Return Vt=1mm/S;
Market value accuracy		0.001um;
Market value error		±(5nm+0.1A) A: Standard value of multi-line sample parameter Ra;
Market value volatility		Not more than 3%;
Residual contour		Not more than 0.01um;
Power supply		Built-in ion rechargeable battery, charged with DC5V, 800mA charger;
Dimensions		156mm×61mm×45mm;
Weight		450g
Work Environment		Temperature: -20℃～40℃ Humidity: <90%RH
Storage and transportation environment		Temperature: -40℃～60℃ Humidity: <90%RH
Optional accessories		Surface sensor, small hole sensor, deep groove sensor, extension rod, adapter rod, micro printer, 200mm measuring platform, 300mm marble measuring platform

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