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

• World's highest performing micrometer overall.
• Extended battery life of approximately 2.4 years.
• Ergonomic anti-slip frame cover and front panel for more comfortable hand-held measurements.
• Ratchet thimble provides better operability for one-handed operation.
• Oil-resistant material used for all plastic parts.
• Models equipped with a Digimatic output port can form part of a statistical process control or networked measurement system.
• Interface Input Tools are available that enable the conversion of measurement data to keyboard signals that are then directly input to cells in off-the-shelf spreadsheet software such as Excel.
• Two types of constant-force devices are available: Ratchet Stop and Ratchet Thimble.
• Measuring faces: Carbide