Depth Micrometer Series 329-Interchangeable Rod Type

Series 329
  • Ø4mm interchangeable rods, with lapped measuring end, provide a wide measuring range.
  • The rod length can be adjusted in 25mm or 1in increments.
  • With ratchet stop for constant force.
  • With measuring rod clamp.
  • With SPC output.
  • With digit counter.
  • Supplied in fitted plastic case.

Technical Data
Accuracy: ±.00015in ±3µm for micrometer head feed
±[.00008 + (.00004xR/3)]in R= max. measuring length (inch) ±(2+L/75)µmfor interchangeable rod, L=Max. measuring length (mm)
Resolution*: 0.001mm or .00005"/0.001mm
Graduation**: 0.01mm or .001in
Flatness of reference face: .00005in for 2.5in/1.3µmfor 63.5mm width base, .00008¡± for 4in/2µm for 101.6mm width base
Flatness of measuring rod face: 0.3µm
Parallelism between reference face and measuring rod face: [.00016 + (.00004 x R/2]in R=max. measuring range (inch)
(4+L/50)µm, L=Max. measuring length (mm) Measuring rod diameter: .157in/4mm
Display*: LCD
Battery*: SR44 (1 pc.), 938882
Battery life*: Approx. 1.2 years under normal use

Function of Digital Model
Origin-set, Zero-setting, Data hold, Data output, inch/mm conversion (inch/mm models)
Alarm: Low voltage, Counting value composition error
Function Lock
2 Presets

Optional Accessories for Digital Model
05CZA662: SPC cable with data switch (40in / 1m)
05CZA663: SPC cable with data switch (80in / 2m)

Parts Break Down


Order No.ImageRangeBase SizeRod Qty
329-350-30329-350.jpg0-6in 0-152.4mm4x.63in6 rods
329-351-30329-351-10.jpg0-12in 0-304.8mm4x.63in12 rods
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