Tubular Inside Micrometers SERIES 139, 339, 140 – Extension Pipe Type

• Wide range of inside measurements possible
  by combining Extension Pipes and anvils with
  the micrometer head.
• Carbide measuring faces are available.
• The sleeve is rotated to adjust the index line
  position when setting to a length standard.
• An inside length standard is required for
  accurately setting the micrometer.

• Order Nos. 339-101/301/302/102/303/304

features:

• IP65 (water-proof) protection level that enables use in
  the presence of cutting fluid.
• A large-character LCD display.
• Storage of 2 preset values for use when setting to an
  inside length standard.
• A function lock that prevents accidental changing of
  the reference setting during measurement.