B-33BMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.MicrometerThe origin of Mitutoyo’s trustworthy brand of small tool instrumentsGear Tooth Micrometers SERIES 324, 124 — Interchangeable Ball Anvil / Spindle Tip Type • Measures over-pin diameter of gears using precision steel (or carbide) ball anvils / spindle tips.• Series 324: IP65 Digimatic gear tooth micrometers.• Determination of the over-pin diameter: refer to “Quick Guide to Precision Measuring Instruments”.• Interchangeable ball anvils / spindle tips for various gear modules (0.5-5.25) are optional. • Equipped with Ratchet Stop for constant measuring force.• Ball anvil / spindle tips: optional.124-173SPECIFICATIONSMetricOrder No.RangeResolutionAccuracy*Digimatic (LCD)324-251-300 - 25mm0.001mm±4µm324-252-3025 - 50mm324-253-3050 - 75mm324-254-3075 - 100mm±5µm* Excluding quantizing errorMetricOrder No.RangeGraduationAccuracyAnalog124-1730 - 25mm0.01mm±4µm124-17425 - 50mm124-17550 - 75mm124-17675 - 100mm±5µm124-177100 - 125mm124-178125 - 150mm124-179150 - 175mm±6µm124-180175 - 200mm124-181200 - 225mm124-182225 - 250mm±7µm124-183250 - 275mm124-195275 - 300mmInch/MetricOrder No.RangeResolutionAccuracy*Digimatic (LCD)324-351-300 - 1".00005"/0.001mm±.0002"324-352-301" - 2"324-353-302" - 3"324-354-303" - 4"±.00025"* Excluding quantizing errorIP Codes (series 324)Level 6:Dust-proof.No ingress of dust allowed. Level 5:Protected against water jets. Water projected in jets against the enclosure from any direction shall have no harmful effects. Optional accessories• Interchangeable ball anvil / spindle tip set Order No.Diameter*(mm)Gear moduleDia. pitch124-801ø0.80.5 - 0.5550124-802ø1.00.6 - 0.6545124-803ø1.191 (3/64")0.7 - 0.835 - 30124-821ø1.50.9 - 128 - 26124-804ø1.588 (1/16")0.9 - 128 - 26124-805ø2.01.2522124-806ø2.381 (3/32")1.517124-822ø2.51.517124-807ø3.01.7515124-808ø3.175 (1/8")—14124-823ø3.5213124-809ø3.969 (5/32")213124-810ø4.02.2511124-824ø4.52.510124-811ø4.763 (3/16")2.510124-812ø5.02.759124-813ø5.556 (7/32")3.0 - 3.258124-814ø6.03.57124-815ø6.35 (1/4")3.757124-816ø7.04.06.5124-817ø7.144 (9/32")4.256124-818ø7.938 (5/16")4.55.5124-819ø8.04.755.5124-820ø8.731 (11/32")5.0 - 5.255* ø2mm or less/ carbide-tipped type Battery for series 324SR44 (1 pc), 938882, for initial operational checks (standard accessory)Battery life: Approx. 2.4 years under normal use (for series 324) Length standard: Electromagnetic rotary sensor (for series 324) Standard accessories: Reference bar, 1 pc(except for measuring range 0-25mm (0-1") models)Spanner (301336), 1 pcOptional accessories Connecting cables for series 324 1m: 05CZA662 2m: 05CZA663 USB Input Tool Direct USB-ITN-B (2m): 06ADV380B SPC cables for U-WAVE w/ data switch (160mm): 02AZD790B For foot switch: 02AZE140B (Refer to page B-68 for details.)These marks indicate that a product has successfully passed IP65-level testing, which is carried out by the independent German certication organization TÜV Rheinland.0000040191324-251-30


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