Mitutoyo Corporation -   Inside measurement - Series 133,139,140,339
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Tubular Inside Micrometers - Series 339, 139, 140 - Heavy Duty Type 


Series 133,139,140,339



Wide range of ID measurements by combining extension pipes and anvils with the micrometer head.
The 339 series provides digital readout to 0.0001"/0.001mm and can be linked to the SPC system.
Pipe diameter 139 series: 0.67"/17mm 140 series: 1.26"/32mm
For higher repeatability of measurement, light weight extension pipes made of CFRP (Carbon Fiber Reinforced Plastic) for 139 Series.
Digimatic Functions Include: Preset Inch/mm conversion Zero set/ABS Hold Data output
Power Supply: One silver oxide cell (SR-44) offers 4,500 hours of life
The display automatically turns off idle after 20 minutes


Series 139, 339: [±(.00015+.00005n+.00005 (L/2))"]/±(3+n+L/50)µm*
Series 140:[±.(0003+.00005n+.00005 (L/2))"]/±(7+n+L/50)µm* *n=Number of rods, L=Maximum measuring length [(inch)] (mm), Fraction rounded up


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