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Mitutoyo 178-743-11 | Surftest SJ-220R Retract-Drive Roughness Tester | Retract-Drive, 17.5 mm
Part Number : 178-743-11
Item 178-743-11 is the SJ-220R, the Retract-Drive version of the SJ-220 portable roughness tester. Like the standard unit it has a 17.5 mm traverse, a 2.8 in touchscreen and battery operation. For the standard drive version with the same 17.5 mm traverse, see 178-741-11.
Key features
- Drive type given as Retract-Drive
- Stylus: diamond, 2 µm radius, 60° angle; force 0.75 mN
- Measuring speeds 0.25, 0.5, 0.75 and 1 mm/s; detector range 360 µm
- Profiles: primary (P), roughness (R), R-Motif and DF-profile
- Weighs 510 g; cut-off lengths λc 0.08 to 8 mm
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