Jumat, 29 September 2017

TR220 Surface Roughness Tester


TR220 handheld roughness tester is a brand new product of our company. It is always used in the work site, scientific labs and factory metrology rooms. Handheld roughness tester TR220 can test the surface roughness of multiple of machining components.


  • Hand-held & advaned model
  • Applicable in production site, laboratory and workshop in factory.
  • Easy operation menu and large LCD display with backlight.
  • Li rechargeable battery.
  • Pickup position indicator.
  • Conform to ISO standard, compatible with DIN, ANSI and JIS standard.
  • Advanced software for TR200 and TR220 is available.
  • Lots of delicate optional accessories are supplied making user’s measurement more efficient and much easier.


Model No.TR220
Roughness parametersRa, Rz, Ry, Rq, Rt, Rp, Rmax, Rv, R3z, RS, RSm, RSk, Rmr, Rpc, Rk, Rpk, Rvk, Mr1, Mr2
Assessed profilesRoughness profile (R)
Primary profile (P)
Measuring systemMetric, imperial
Display resolution0.001 μ m
Data outputRS232
Pickup measuring range±20μ m, ±40μ m, ±80μ m 
Cutoff length (L)0.25mm / 0.8mm / 2.5mm/Auto
Evaluation length1~5L  (selectable)
Tracing length( 1~5)L + 2 L (selectable)
Digital filterRC, PC-RC, Gauss, D-P
Max. driving length17.5mm/0.71inch
Min. driving length1.3mm/0.051inch
Pick-upStandard pickup TS100, inductive, Diamond stylus radius 5μm, angle of stylus 90°
PowerLi-ion battery rechargeable
Dimensions(mm)141×56 ×48

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