W-R135 CV SURFACE ROUGHNESS TESTER

W-R135.
This inexpensive, high quality, hand held tester is the ideal instrument for general surface roughness testing. This extremely versatile gauge is suitable for testing a wide variety of materials, boasting a large measuring range and easy-to-read, digital display.

Features:
Ra and Rz parameters, switchable display.
Adjustable tracer also for 90 or 180 measurement plane.
Standard cut-off of 0.25mm, 0.8mm and 2.5mm, adjustable to 1, 3 or 5 times.
Large measuring range suitable for most materials.
Piezo-electric pickup stylus for external surfaces (diamond tip for latest ISO standard).
RS232 Output.
Accuracy to DIN4772 Class 3.