Handheld surface roughness tester for external surfaces and grooves.
The R-135 is a portable, battery-powered instrument for checking surface roughness, with the measured values displayed on a digital readout display. The instrument can be used in laboratory, inspection area, workshop, or wherever on-site surface roughness testing is required.
Measuring ranges | Ra-- 0.03µm ~ 6.35µm (1µ inch~250µ inch) - Rz-- 0.2µm ~ 25.3µm (8µ inch~999µ inch) |
Display resolution | 0.01µm / 1µ inch |
Cut-off | 0.25mm / 0.001 inch - 2RC filter - select 1-3-5 times - 0.8mm / 0.03 inch - 2RC filter - select 1-3-5 times - 2.5mm / 0.01 inch - 2RC filter - select 2 times |
Display | 3-digit LCD |
Accuracy | Meets ISO and DIN standards |
Probe Type | Piezoelectric |
Maximum stylus force | 15.0mN / 1500mgf |
Stylus tip radius | Diamond - 2 micron |
Power | 9V alkaline battery (not included) |
Battery capacity | Approx. 3000 measurements |
Output | RS-232 to pc or printer (only IPX-104) |