PORTABLE SURFACE ROUGHNESS GAGE. - Total …

1 - PORTABLE SURFACE ROUGHNESS SURF The Pocket Surf PORTABLE ROUGHNESS gage is one of the easiest to use and most popular SURFACE roughess gages ever Pocket Surf performs traceable SURFACE ROUGHNESS measurements on a wide variety of surfaces therefore it can be confidentlyused in production, on the shop floor or in inspection Surf. PORTABLE SURFACE ROUGHNESS gage +Important Definitions and SURFACE ParametersA- 2 Pocket Surf A- 3 Technical DataProbesA- 5 Applications and AccessoriesA- 6 Pocket Surf . PORTABLE SURFACE ROUGHNESS GagePocket Surf. PORTABLE SURFACE ROUGHNESS gage -A-2 Pocket Surf.

2 PORTABLE SURFACE ROUGHNESS GageImportant Definitions and SURFACE ParametersReal SURFACE separates a body from the surrounding medium.(DIN EN ISO 4287)Stylus instrument enables two-dimensional tracing of a stylus is traversed normal to the SURFACE at constant speed.(DIN EN ISO 3274)Traced Profile is the enveloping profile of the real surfaceacquired by means of a stylus usually are defined over the sampling length. Anaverage parameter estimate is calculated by taking thearithmetic mean of the parameter etimates from all the indivi-dual sampling lenghts. For ROUGHNESS profile parameters thestandard number of sampling lengths is , Rmax ROUGHNESS depth DIN ISO 4287, ASME ROUGHNESS depth Rzi is the vertical distance between thehighest peak and the deepest valley within a sampling lengthMean ROUGHNESS depth Rz is the arithmetic mean value of thesingle ROUGHNESS depths Rzi of consecutive sampling lengths:Rz = (Rz1 + Rz2 +.)

3 + Rz5)15Ra = |Z(x)| dx L 0 1 LSelection of cutoff according to DIN EN ISO 4287, ASME length lt is the overall length traveled by the styluswhen acquiring the traced profile. It is the sum of the pre-travel, evaluation length ln and c of a profile filter determines which wavelengthsbelong to ROUGHNESS and which ones to length lr is the reference for ROUGHNESS length is equal to the cutoff wavelength c .Evaluation length ln is that part of the traversing length lt overwhich the values of SURFACE parameters are determined. Thestandard ROUGHNESS evaluation length comprises fiveconsecutive sampling is the first part of the traversing length is the last part of the traversing length Mean ROUGHNESS DIN EN ISO 4287, ASME average Ra is the arithmetic average of the absolutevalues of the ROUGHNESS profile ordinatesThe Rz definition is identical to the definition in DIN4768: ten point height Rz as well as the parameter symbol Ry ofISO 4287:1984 has been canceledMaximum ROUGHNESS depth Rmax is the the largest singleroughness depth with the evalution length.

4 (DIN EN ISO 4288;Rmax is also called Rz1max ).Z(x) = profile ordinates of the ROUGHNESS is also called AA and CLA,Mean linePeriodicNon-periodicCutoffSample/pro fileprofileEvalution lengthRSmRzRaR lr / ln(mm/in)( m/ in)( m/ in)(mm/in)(mm/in)> to > to10/20 to 400> to 2/4 to ; .030/.150+A-3 Pocket Surf. PORTABLE SURFACE ROUGHNESS GagePocket Surf * the PORTABLE SURFACE ROUGHNESS gage * US-patent no. Solidly built, with a durablecast aluminum housing, toprovide years of accurate,reliable SURFACE finish gaging. Can be used to measure anyone of four, switch-selectable, parameters: Ra ,Rmax/Ry , Rz.

5 Selectable traverse length 1,3 or 5 cut-offs of mm/.030 Operates in any position horizontal, vertical, andupside down Pocket-sized economicallypriced, completely portableinstrument which performstraceable SURFACE roughnessmeasurements on a widevariety of surfaces ; can beused confidently inproduction, on the shopfloor and in the laboratory easy-to-read LCD readoutpresents the measuredroughness value, inmicroinches or micrometers,within half a second afterthe SURFACE is traversed. Out-of-range (high or low)and battery low signals arealso four switchable probepositions axial (folded) orat 90 , 180 or 270 Even difficult-to-reachsurfaces such as inside andoutside diameters areaccessible.

6 Integrated data output forSPC-processing units that iscompatible with the mostcommon data Accessory:Statistics Printer MSP 2,see page 11-4 for more detailsDimensions140 mm x 76 mm x 25 mm/ x 3 x 1 Weight435 g / 14 ozMeasuring m to m / 1 inch to 250 m to m / 8 inch to 999 m to m / 8 inch to 999 m to m / 8 inch to 999 inchDisplay m / 1 inMeasurement AccuracyMeets , ISO, DIN standards and MIL specificationsDigital ReadoutLCD; with; Battery low signal; H and L (measured values out-of-range)Technical Data-A-4 Pocket Surf. PORTABLE SURFACE ROUGHNESS GageProbing and Traverse LengthsTraverseEvaluationNumber of Cutoffs/ParametersLength (Nominal)LengthSwitch Position mm/.

7 075 mm/ .030 mm/ .135 mm/ .090 3 Ra/ mm/ .195 mm/ .15 0 5 Traverse mm/ .2 per mm/ .030 ASME 2 RC-filterProbe TypePiezoelectricMaximum Stylus mN / 1500 mfgPowerconsumer-type alkaline battery, 9 VoltBattery CapacityApprox. 2500 measurements, depending on frequency of use and output optionOperating Temperature10 to 45 C / 50 to 113 FStorage Temperature-20 to 65 C / -4 to 149 FTechnical DataPocket SurfPocket Surf SetsOrder , 90 , 10 m radius, PMD-90101 Certified Specimen, incl. Test CertificateEMD-1500-312 EGH-1019 Probe, 90 , 10 m radius, EMD-90010 Precision SpecimenEMD-1500-321 EGH-1026 Probe , 90 , 5 m radius, PMD-90101,Certified Specimen, incl.

8 Test CertificateEMD-1500-322 EGH-1026 Probe, 90 , 5 m radius, EMD-90010 Precision SpecimenA Pocket Surf kit is furnished complete in a fitted case, and includes a Pocket Surf unit with aGeneral Purpose Probe** and a m/125 inch (nominal) Reference Specimen**.** Part Numbers listed in table Volt Alkaline BatteryEPL-1681 Riser Plate, for calibrating the gage with the Reference SpecimenStatistic Printer MSP 2 and Data cable see chapter 11 Accessories+A-5 Pocket Surf. PORTABLE SURFACE ROUGHNESS GageProbesE G H -1019/ E G H -1026 For most SURFACE ROUGHNESS a 90 conical diamond stylus, 5 m/.

9 0002 radius*.E G H -1019 With a 90 conical diamond stylus, 10 m/ .0004 Purpose ProbesEGH-1020-W1 For gaging sharp edges or small s where probe is allignedwith (in 180 or closed position) to axis of traverse. 90 sapphirechisel, 10 .0004 Chisel ProbeEGH-1021/EGH-1027 For gaging small bores (3,2 mm/ .125 minimum ) up to adepth of 19 mm/ .75 .EGH-1027 With a 90 conical diamond stylus, 5 m/ .0002 radius.*.EGH-1021 With a 90 conical diamond stylus, 10 m/ .0004 Bore ProbeEGH-1028 For measuring the bottom of grooves, recesses and small holesto depths of mm/.

10 25 .Also used for short lands and 90 conical diamond stylus, 10 m/ .0004 Bottom ProbeEGH-1020-W2 For gaging sharp edges or small s where probe isperpendicular (in 90 - oder 270 position). to axis of traverseAlso for s smaller than 6,35 mm,/ .25 staged on EAS-2421(Order no. 2008023). Vee fixture 90 sapphire chisel, 10 Chisel ProbeEGH-1019/EGH-1026 EGH-1020-W1 EGH-1020-W2 EGH-1021/EGH-1027 EGH-1028 NOTE: Small Bore and Groove Bottom Probes can only be usedin 180 position with the Pocket Surf unit supported in a heightstand or other fixture* Yellow dot at connector end signifies 5 m/.