Surface roughness tester SR220

€ 1,417.00 *Prices are exclusive of VAT

Article code: SR220

The portable surface roughness tester SR220 is a small portable instrument with large OLED display, high precision and various parameters. It can be used in the laboratory, in the inspection area or anywhere where on-site surface roughness testing is required. The measurement data from the SR220 can be output to a PC or micro-printer.

Main characteristics

28 parameters: Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz (JIS), Ry (JIS), RSk, R3z, Rmax, Rpc, Rmr, Rku, R? A, R? Q, Rdc , Ry, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, V0
320µm wide range high precision induction probe
4 filtering methods of RC, PC-RC, GAUSS and D-P
compatible with 4 ISO, DIN, ANSI and JIS standards
128×64 2.7 "dot matrix OLED display, displays all parameters, graphics and menu
Low power consumption DSP chip, used to control and process data at high speed and;
built-in rechargeable lithium-ion battery and control circuit
internal memory, it can store 20 groups of data measurement, with extended SD card, unlimited memory
integrated remote control module, can take measurements remotely (command by PC, etc.)
mechanical and electrical integration to achieve a small footprint, light weight and ease of use
can be connected to a bluetooth micro printer to print all parameters and graphics
integrated standard micro-USB interface for communication with the PC
automatic shutdown, memory and various quick instructions

Technical specifications

measuring range
* Z axis (vertical) 320µm (Ra = 80µm)
* X axis (horizontal) 17.5 mm
Z-axis resolution (vertical) as a function of the measuring range
* 0.01µm / ± 20µm
* 0.02µm / ± 40µm
* 0.04µm / ± 80µm
* 0.08µm / ± 160µm
parameters: Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz (JIS), Ry (JIS), RSk, R3z, Rmax, Rpc, Rmr, Rku, RΔa, RΔq, Rδc, Ry, Rk,Rpk, Rvk, Mr1, Mr2, A1, A2, V0
standards: ISO, ANSI, DIN, JIS
graphic representation: roughness profile, material ratio curve, direct profile
filter: RC, PC-RC, Gauss, D-P
cut.off lc: 0.25 / 0.8 / 2.5mm
measuring stroke: Ln = lc × n with n = 1 ~ 5
probe measurement principle: differential inductance
stylus; natural diamond, cone angle 90 °, tip radius 5µm
stylus pressure force <4mN
sole: ruby, longitudinal radius 40mm
movement speed
* Ic = 0.25, Vt = 0.15 mm/s
* Ic = 0.8, Vt = 0. 5 mm/s
* Ic = 2. 5, Vt = 1 mm/s
* return Vt = 1 mm/s
accuracy: less than or equal to ± 10%
repeatability: less than or equal to 6%
memory: internal 20 groups of data, with unlimited SD card
interfaces: micro USB for communication with PC, bluetooth for communication with printer
power supply: built-in Lithium-ion battery, 8.4V / 800mA power adapter, automatic shutdown
dimensions: 112×50×47mm (L×W×H)
weight: about 360g

Standard delivery

1x main unit
1x standard probe
1x calibration standard
1x measuring stand for calibration standard
1x 220 Vac charger
1x data transfer cable
1x remote control
1x screwdriver
1x user manual
1x transport case

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Surface roughness tester SR220