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Precise measuring tools and instruments

Werka Roughness Tester Typ 490-9538

Product information "Werka Roughness Tester Typ 490-9538"

Werka Roughness Tester

  • - Typ 490-9538, measuring range up to 160 µm
  • - small and light, easy to operate
  • - applicale for the measurement (e.g. plane, curvature, oblique plane, hole, groove, shaft) on site such as roughness inspection for parts in IQC ware-house, semi-finished products are and workshop etc.
  • - split design for flexible use with brackets
  • - 3.8 in TFT touch screen clear and direct roughness graphs
  • - with Bluetooth to support wireless connection with smartphones and mini printer
  • - big data memory, 100 readings and graphic groups record
  • - auto power off, Premium PCB and software design
  • - Scope of delivery: 1 x Host, 1 x Charger, 1 x Drive sensor, 1 x Stylus, 1 x Probe, 1 x Small bracket, 1 x Calibration blocks, 1 x Connection cable, 1 x USB cable, 1 x Operation manual, 1 x Carrying case

Technical Data

Measuring range:
Z-Axis vertical:
Z-Axis horizontal: 
 ± 80 µm/± 160 µm
20 mm
Resolution:  Z-Axis vertical: 0,01 µm/±20 µm
0,02 µm/±40 µm
0.04 µm/±80 µm
0,08 µm/±160 µm
Parameters : Z-Axis vertical: Ra, Rz, Rq, Rt, Rp, RV, R3z, R3y, Rz(JIS), RS, Rsk, Rsm, Rku, Rmr, Ry(JIS), Rmax, RPc, Rk, Rpk, Rvk, Mr1, Mr2
Standards: ISO, ANSI, DIN, JIS
Grafphics: material ratio curve, roughness profile, contour
Filters: RC, PC - RC, Gauss, D - P
Sampling length: 0,25, 0,8, 2,5 mm
Assessment length: Ln=Irxn, n=1 - 5
Measuring principle: differential conductance displacement sensor
Contact tip: diamant, taper 90°, radius od contact tip 5 µm
Measuring force: < 4 mN
Guide:  carbide, radius of moving direction
Moving speed: lr=0.25, Vt=0.135mm/s
lr=0.8, Vt=0. 5mm/s
lr=2. 5, Vt=1mm/s
Return Vt=1mm/s
Accuracy error: < ± 10 %
Repeatability: < 6 %
Power: Built-in Lion rechargeable battery, charge
Size:  Host: 64 x 53 x 160 mm
Drive: 23 x 27 x 115 mm
Operating temperature: - 20° C - 40° C
Storage: -40° C - 60° C
Humidity:  < 90 % RH

Product Safety Information:

  • Suitable only for technically skilled users familiar with the product and for craftsmen.
  • Intended solely for the designated purpose.
  • Improper use may lead to damage and injuries.

Importer/Manufacturer:

Gedema GmbH
Berchumer Str. 74
58093 Hagen

Email: info@messwelt.com
Email: info@gedema.com

Items explicitly stating the manufacturer are excluded.