Phase II+, Handheld Surface Roughness Gauge w/External Stylus,#SRG-4600

Phase II PlusSKU: SRG-4600


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Model No. SRG-4600


The newest addition to our state-of-the-art surface roughness testers /profilometers, the SRG-4600 will instill the highest level of confidence in your production, shop floor or QC lab. Extended memory and output coupled with many updated useful functions, the SRG-4600 surface roughness tester/profilometer is clearly the new leader in ultra accurate surface roughness/profile testing. These surface roughness testers/profilometers are distinguished by a high level of accuracy, multiple parameters and simplicity of operation. Extremely sensitive and highly accurate readings from this Phase II surface roughness tester/profilometer is offered via 9 popular surface roughness scales including Ra, Rq(Rms), Rt, Rz and Rmax.

The new diamond stylus is hypersensitive and sophisticated enough to allow for a .001 (um) micron display resolution. The SRG-4600 surface roughness tester/profilometer can utilize an easy interface to allow for changes of in/mm (uin/um), cutoff length, sampling length, parameters, level of test(stylus position), digital filters and more! Surface roughness measurement results are displayed as large characters on the LCD screen for easy recognition.

Battery powered portability allows the SRG-4600 surface roughness tester/profilometer to mobilize productivity throughout the shop.Further, a wireless Bluetooth auto-start comes standard with each unit. Optional Micro Printer is available, as well as optional stand and software.

SRG-4600 surface roughness tester features:

  • 9 Different roughness parameters
  • Inside/Outside Diameters
  • Stylus position indicator
  • USB/Bluetooth output to PC
  • Large Memory

SRG-4600 Surface Roughness Tester/profilometer Technical Specifications:

  • Measures flat, Inside and Outside Diameters
  • Measures grooves and recessions: wider than 0.16in (4mm)
  • Roughness parameters: Ra, Rz, Rq (Rms), Rt, Rs, Rsm, Rmax, Rpc, Rmr.
  • Roughness standards: ISO/DIN/JIS/ANSI
  • Display resolutions: 0.01µm/+/-20 µm 0.02µm/+/-40 µm 0.04µm/+/-80 µm
  • Measuring accuracy: ?±10%
  • Repeatability: Less than or equal to 6%
  • Measuring range: Ra, Rq: 0.01-40µm Rz,Rt, Rm: 0.02-160µm
  • Maximum drive range: 0.7in(17.5mm)
  • Cut-off length: 0.009/0.03/0.09inch (0.25/0.8/2.5mm)
  • Tracing speeds: speed 1mm/s (sampling length 2.5mm) speed 0.5mm/s (sampling length 0.8mm), speed 0.135mm/s (sampling length 0.25mm)
  • Sensor: Inductance type
  • Sensor-stylus: Diamond, radius 5µm
  • Pick up Force: <4mN
  • Filter: RC, PC-RC,GAUSSIAN, and D-P
  • Data output: USB
  • Operating temperature: 41ºF-104ºF (5º-40ºC)
  • Weight: 0.97lb(440g)
  • Dimensions: (119 x 47 x 65mm)
  • Power: Li-Ion rechargeable battery
  • Auto shut-off
  • Battery: rechargeable lithium-ion battery

Optional Accessories:

  1. 1) Precision Support Stand
  2. 2) Deep Groove Stylus
  3. 3) Small Hole Stylus
  4. 4) Curved Surface Stylus
  5. 5) Stylus Extension
  6. 6) Data Output Software
  7. 7) Micro Printer

SRG-4600 surface roughness tester/profilometer comes supplied with:

  • Calibrated Reference Standard w/support plate
  • Bluetooth Auto-start
  • Leveling plate
  • Stylus protector
  • A/C Adapter
  • Rugged Carry case

Main Screen

Main Screen


Roughness Profile

Ratio Curve

Accessories for SRG-4600 Phase II Surface Roughness Tester

Part No. SRG4000-050Precision Support Stand

Can be used with either 4000,4500 & 4600 series surface roughness testers

Part No. SRG4600-100Standard 5µm Stylus

For use on flat and slightly curved surfaces

Part No. SRG4500-200Deep Groove Stylus

For use on deep grooves with min. width of 3mm and max depth of 10mm. Must be used with support stand shown below

Part No. SRG4500-300Small Hole Stylus

For use in small holes under 2mm diameter and max depth of 9mm

Part No. SRG4500-400Curved Surface Stylus

For use on curved surface with a minimum curvature radius of 3mm. Must be used with support stand shown below

Part No. SRG4500-500 2” Stylus Extension

Adds extra 2" reach for deeper applications

Part No. SRG4500-550 5” Stylus Extension

Adds extra 2" reach for deeper applications


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