Machine Accessories
Precision Tools
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Material Testing Instruments
(201)962-7373
WWW.PHASE2PLUS.COM
Portable
Surface
Roughness
Gauge
Part
No.
SRG
‐
4000
Operation Manual
Page 1: ... Machine Accessories Precision Tools Cutting Tools Material Testing Instruments 201 962 7373 WWW PHASE2PLUS COM Portable Surface Roughness Gauge Part No SRG 4000 Operation Manual ...
Page 2: ...ction area or wherever on site surface roughness testing is required Note Although this instrument is designed and built to withstand the rigors of handling and usage it is a sensitive precision instrument and should be treated with care to assure measurement accuracy and reliable performance The SRG 4000 is furnished in a fitted case and includes the following a SRG 4000 unit with general purpose...
Page 3: ...rage AA Center Line Average CLA The average roughness is the area between the roughness profile and its mean line or the integral of the absolute value of the roughness profile height over the evaluation length 2 Rz Rz is the arithmetic mean value of the single roughness depths of consecutive sampling lengths Z is the sum of the height of the highest peaks and the lowest valley depth within a samp...
Page 4: ...d amplitude Rq is proportional to Ra it s about 1 11 times larger Older instruments made use of this approximation by calculating Rq with analog electronics which is easier than calculating with analog electronics and then multiplying by 1 11 to report Rq However real profiles are not simple sine waves and the approximation often fails miserably Modern instruments either digitize the profile or do...
Page 5: ...etting the Cut Off Length Press the button to toggle between the 3 available Cut Off lengths 0 8mm 25mm 2 52mm most common applications should be set for 2 5mm Ra µm Rz µm SAMPLING LENGTH mm 5 10 20 40 2 5mm 2 5 5 10 20 2 5 1 25 2 5 6 3 0 0 8 0 63 1 25 3 2 6 3 0 8 0 32 0 63 1 6 3 2 0 8 0 25 0 32 1 25 1 6 0 25 0 20 0 25 1 0 1 25 0 25 0 16 0 20 0 8 1 0 0 25 0 125 0 16 0 63 0 8 0 25 0 1 0 125 0 5 0 6...
Page 6: ...ld it until Unit appears on the display To toggle between the measuring units press either the or buttons Once selection is made Press any other button EXCEPT the or to save selection e Selection of Roughness Scale Ra Rz Rq Rms Rt Press the button to toggle through the 4 available roughness scales f Selecting Range Evaluation Length readout 1 5 This parameter is the part of the traversing length f...
Page 7: ...ement of Tester a Be sure to set the unit flat as seen in Figure 4 1 The built in level indicator on the display will help you get set to 0 b The sliding trail of the stylus must be vertical to the direction of the process line across the grain of the measured surface See Figure 4 2 c When the measured surface is smaller than the bottom surface of the instrument the stylus sheath and adjustable le...
Page 8: ...ized groups increases to 1 Browsing Parameters While in the M with the dash over it state you can toggle between different roughness scales Ra Rz etc Deleting Measurements While in the M with the dash over it state you can delete this group of results by depressing the button Then the M with the dash over it will now become just the regular M New measurements will replace the old measurements if y...
Page 9: ...es or bores Press and hold the button until FAC is shown on the display It will take approx 12 16 seconds for the unit to reach the FAC screen This state is also marked by CAL Place the unit on your supplied reference standard and press the START button While the probe is moving forward you will notice that the numbers on the display will vary with the movement At this time you must use your suppl...
Page 10: ...outside of the tester use a soft lint free cloth moistened with a mild non abrasive liquid or foam cleaner Periodically inspect the skid surface and stylus for dust dirt or other contaminants To clean the skid surface use a soft brush moistened with rubbing alcohol Repairs Please contact Phase II for instructions Do not disassemble the unit or attempt any internal repairs as this will void the exi...
Page 11: ...No SRG4000 050 Mounting SRG 4000 to the stand a Remove two screws from Leveling plate on the right side of the unit as shown in Fig 2 b Use those two screws to mount the SRG 4000 to the Mounting Bracket as shown in Figure 1 c Place leveling plate in carry case for future use without stand Figure 2 Figure 1 New Swivel adapter shown at right ...
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