Roughness Tester HOMMEL ETAMIC W20

Order no.: HOMMEL ETAMIC W20
£ 7,766.00
£ 9,319.20
HOMMEL ETAMIC W20
price ex. (VAT / delivery)
Delivery time: 1-2 working days
The Hommel-Etamic W20 skidless probe system has been designed specifically for mobile roughness measurement. It not only measures all common roughness parameters, but also evaluates the waviness and total profile of your surface. The measuring instrument is particularly compact and portable. The built-in battery means that the device can be used even without an external power supply.

The measuring probe is automatically positioned on the surface. The motorized probe lowering function simplifies operation — you simply need to position the traverse unit and start the measurement. On completion of the measurement, the probe arm lifts up from the surface automatically. This protects the probe tip from damage.

The large color touchscreen is extremely clear to read and easy to operate. With the integrated printer, you can display your measurement results in graph form immediately. Parameters, profile graphics, Abbott curves and statistical data also can be displayed. The measuring instrument offers seven measuring programs, as well as the option to test with the integrated roughness standard.

- Complete mobile measurement of all common roughness, ripple and profile parameters thanks to the external probe system
- Automatic - motorized height adjustment for automatic positioning and removal of the push button from the workpiece surface
- Mobile - built-in battery for operation without external power supply
- Informative - display of characteristic values, profile graphics, Abbott curves and statistics
- Simple - clear operation via touchscreen with context - sensitive key functions
- Practical - integrated printer for the immediate documentation of the results
- Safe - immediate inspection of the measuring instrument via the integrated noise standard
- Feeding unit waveline™ 20 for precise roughness and ripple measurements
- Integrated start button for single-handed operation
- High accuracy linear guide for precise straightness and ripple measurements
- Variable measuring speed
- Measurement in all positions (also overhead)
- For all our reference pads
- Motorized button lowering
- Automatic positioning of the probe tip on the workpiece surface and setting of the selected measuring range
- Protection against unintentional damage to the probe tip during workpiece changing due to automatic lifting at the end of the measurement
- Context-sensitive operation via touchscreen
- 8 measuring programs
- Function button bar with 4 basic functions
- Evaluation of all common roughness, ripple and profile parameters
- Extensive possibilities for tolerance assessment
- Quick and easy input of additional user input
- Summary of the results: parameters, prognosis, interactive Abbott curve presentation, extensive statistics function
- Waveline™ 20 measuring station
- Makes the mobile W20 a complete stationary measuring station
- Stone plate with t-Nut, 400 x 280 mm
- Height adjustable 300 mm
- Swivel device ±45°
- Measuring table and other accessories are available as an option
Measuring principle Scattering method, calibration
Total deviation according to DIN 4772 Class 1
Feed Waveline™ 20
Applicable buttons Reference button
Sensing distance 20 mm
Sensing direction Axial
Working area About 360°
Operating elements Integrated start button, inclination reference plane
Taster (standard) TKL 300L, 2 µm/90°
Measuring range ±300 µm
Resolution 12 nm*
Scanning distance
According to ISO/JIS 1.5/4.8/15 mm
According to Motif 0.64/3.2/16 mm
Max. 20 mm
Cut-off length cut-off  according to. DIN EN ISO 4288/JIS B601 0.08/0.25/0.8/2.5/8 mm
Number of individual measuring sections 1 to n (max. sensing distance)
Filter DIN EN ISO 11562: Gaussian filter DIN EN ISO 16610-21: Gaussian filter DIN EN ISO 13565-1: Filters for Rk characteristic values DIN EN ISO 3274: λs-Filter
Touch speed 0.15/0.5/1 mm/s; return 3 mm/s
Display 4.3“ TFT- colour display with touch screen function
Roughness and profile parameters
DIN EN ISO 4287 Ra, Rz, Rmax, Rt, Rq, RSm, Rc, Rp, Rv, Rsk, Rku, Rdc, Rdq, RzISO, Rmr, Rmr(c), C(Rmr), Pt, Pz, Pa, Pc, Pp, Pv, PSm, Pq, PSk, Pku, Pdq, Pdc, Pmr, Pmr(c), C(Pmr)
DIN EN ISO 13565-1, -2 Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, Rpk*, Rvk*
Motif DIN EN ISO 12085 R, AR, Rx, CR, CF, CL, Nr
ASME B46.1 Rp, Rpm
JIS B601 (2001) Rz-JIS
DIN EN 10049 RPc
Daimler MBN 31007 R3z
Specific characteristics Seal characteristic size Rmr (factor * characteristic)
Ripple characteristics
DIN EN ISO 4287 Wt, Wz, Wa, Wp, Wv, WSm, Wq, WSk, Wku, Wdq, Wc
Motif DIN EN ISO 12085 W, Wx, Aw
Battery (basic unit) Li-Ion battery, up to 800 measuring cycles (without print, stroke distance 4.8 mm), volume charge approx. 6 h
Measuring programs 7 plus 1 for device testing
Data memory (per measuring program) Max. 2000 Measurement records / characteristics and 500 profile records
Interface USB
Dimensions (L x W x H)
Basic device 227 x 225 x 70 mm / 8.9 x 8.9 x 2.8 in
Weight 1080 g / 2.4 lbs
Feed (L x W x H) Waveline™ 20: 245 x 54 x 75 mm / 9.7 x 2.1 x 3 in
Weight 1100 g / 2.4 lbs
Printer Integrated
Printing process Static thermographic line
Paper / print width 57 ±0.5 mm / 48 mm (1.9 in)
Paper roll Ø = 31 mm (1.2 in)
Resolution 8 dots / mm, 384 dots / line
Printing functions Measurement conditions, parameters, roughness profile, Abbott curve, statistics
Battery pack With basic device
Interfaces With basic device

1 x HOMMEL ETAMIC W20 Roughness tester
1 x Feed Waveline™ 20
1 x Button protector
1 x USB cable
1 x Power adapter 90-240V
1 x Noise standard
1 x Allen wrench
1 x Factory calibration certificate
1 x Noise standard data sheet
1 x User manual
1 x Case