Rz = average roughness
The average roughness Rz is the arithmetic mean of the largest single roughness depths of several adjacent individual measuring sections.
Ra = arithmetic centers roughness
Ra is the generally recognized and internationally applied roughness parameter. It is the arithmetic mean of the absolute values of the profile deviations within the reference line.
The measured value Ra is always smaller than the Rz value determined on the same roughness profile.
Measurement parameters | Ra, Rz, Rq, Rt |
Measuring ranges | Ra, Rq: 0.005 ... 16.00 µm / 0.197 ... 629.921 µin Rz, Rt: 0.002 ... 200.0 µm / 0.079 ... 7874.016 µin |
Radius probe tip | 5 µm/ 196.850 µin |
Material probe tip | Diamond, 90° angled |
Max. recommended force for static measurement | 4 mN (0.4 gf) |
Radius longitudinal guide bar | 45 mm / 1.77" |
Standards | ANSIB46.1/ASMEB46.1 (DIN EN ISO 4287) |
Maximum driving distance | 15 mm / 0.59" |
Measuring principle | Inductive |
Cut-off wavelength | 0.25 mm / 0.8 mm / 2.5 mm / 0.009" / 0.03" / 0.098" |
Testing speed | 0.135 mm/s at cut-off wavelength: 0.25 mm 0.5 mm/s at cut-off wavelength: 0.8 mm 1 mm/s at cut-off wavelength: 2.5 mm Reversing speed: 1 mm/s |
Measuring accuracy | < ± 10% |
Repeatability | < 6% |
Display | OLED |
Units | μm / μinch (switchable) |
Interface | Micro-USB |
Power supply | Rechargeable Li-ion battery |
Dimensions L x W x H | 150 x 60 x 43 mm / 5.9 x 2.36 x 1.69 in |
Weight | 370 g / < 1 lb |
ex. VAT, ex. delivery costs
Probe for the PCE-RT 1200 and PCE-RT 2000 for measuring the roughness of grooves.
- Probe for grooves
- Width > 2.5 mm
- Depth < 10 mm
N.B. It is recommended to use this sensor with the test stand PCE-RT2000-Teststand.
ex. VAT, ex. delivery costs
Curved surface sensor suitable for PCE-RT 1200 und PCE-RT 2000. The sensor is used to measure surfaces with radii.
- Probe for curved surfaces
- Radius > 3mm for PCE-RT 1200 / PCE-RT 2000
N.B. It is recommended to use this sensor with the test stand PCE-RT2000-Teststand.
ex. VAT, ex. delivery costs
ex. VAT, ex. delivery costs
ex. VAT, ex. delivery costs
Curved surface sensor suitable for PCE-RT 1200. The sensor is used around surfaces which have radii to measure.
- Probe for curved surfaces
- The test stand PCE-RT 1200-STAND is required
ex. VAT, ex. delivery costs
ex. VAT, ex. delivery costs
The PCE-RTS 520 is a roughness force test stand that works with the PCE-RT Series. If the Ra value of the surface is low then you should use a test stand to ensure precise measurements.
- Stroke is 200 mm
- Dimensions are 260 x 180 x 12 mm
- Weight is 7.3 kg
ex. VAT, ex. delivery costs
The PCE-RTS 620 is a roughness test stand that works with the PCE-RT 2200. If the Ra value of the surface is low then you should use a test stand to ensure precise measurements.
- Stroke is 300 mm
- Dimensions are 400 x 250 x 70 mm
- Weight is 30 kg
ex. VAT, ex. delivery costs
ex. VAT, ex. delivery costs