Starrett SR400 Surface Roughness Tester

by Starrett
ID#: SR400-STR
Your Price:
  • Retail Price: $4,298.00
  • Your Savings: 217.6199999999999
Add Calibration w/ Certificate?
  • No
  • Yes - A2LA Calibration Surface Finish Handheld Gage (+ $90.00)
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Product Information


The Starrett SR400 Surface Roughness Tester has a Range of 400 µm 100 µm 10 µm. Roughness Parameters Ra, Rz, Rt, Rp, Rmr, Rpc, Rsm, Rz1max, Rsk, Rda. It is robust enough for the shop floor while being flexible enough for any inspection room. Offers a versatile solution for all your roughness requirements with a variety of systems and application specific accessories along with fixtures that can be tailored to your specific need. Supplied with a lift-lower feature providing a 50mm height adjustment, right measurement and 70mm reach into bores. Features a tactile measurement button that is great when the device is being used overhead or inside pipes. Added protection and a better hand grip is provided with the rubberized molding. Also includes a mini USB port that can be used for charging (with any standard USB charger) and or connection to a PC to provide further analysis and reporting functionality.


  • Range:400 µm 100 µm 10 µm
  • Type:Portable surface roughness
  • Accuracy:2% of reading + LSD µm
  • Details:Roughness Parameter Ra, Rz, Rt, Rp, Rmr, Rpc, Rsm, Rz1max, Rsk, Rda
  • Resolution:50 nm 10 nm 5 nm

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