Mitutoyo Disk Micrometer Non-Rotating Spindle Type  1-2.2"/25.4-55.88mm   Model 369-422

• The Disk Micrometer is designed to easily measure root tangent length of spur gears and herical gears.
• Non-rotating spindle eliminates torque on workpiece.
• With standard bar except 0 - 15mm, 0 - .6” 0 - 25mm, 0 - 1”, 0 - 300mm & 0 - 1.2” model
• Speedy spindle feed of 10mm/rev. (Quickmike type).
• Diameter of measuring disk: 20mm / .787”
• With Ratchet Stop for constant force.
• With SPC output (Series 369).
• Supplied in fitted plastic case

Technical Data

Accuracy: Refer to the list of specifications.

Resolution*:0.001mm or .00005"/0.001mm
Graduation**: 0.01mm or .001"
Flatness: 1ìm / .00004”
Parallelism: 4µm / .00016” for models up to 50mm / 2”
6µm / .00024” for models over 50mm / 2”
Measurable module: 0.5-6
Display*: LCD
Battery*: SR44 (1 pc.), 938882
Battery life*: Approx. 1.2 years under normal use
(1 year: Quickmike type, 3 years: Quickmike
type with fine-loading)
Series 227: Refer to page 27 for more information.
*Digital models **Analog models

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