B-31BMitutoyo 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 instrumentsDisk MicrometersSERIES 323, 223, 123 • Measures “root tangent length” of spur gears and helical gears.• Determination of the root tangent length: refer to “Quick Guide to Precision Measuring Instruments”.• Equipped with Ratchet Stop for constant measuring force.• Supplied with a setting standard (except for 0-25mm/0-1” measuring range). 123-101323-250-30123-103SPECIFICATIONSMetricOrder No.RangeResolutionAccuracy*Anvil dia.Measurable moduleDigimatic (LCD)323-250-300 - 25mm0.001mm±4µmø20mm0.5 - 6 323-251-3025 - 50mm323-252-3050 - 75mm±6µm323-253-3075 - 100mm* Excluding quantizing errorMetricOrder No.RangeGraduationAccuracyAnvil dia.Measurable moduleMechanical counter model223-1010 - 25mm0.01mm ±4µmø20mm0.5 - 6 223-10225 - 50mmAnalog123-1010 - 25mm0.01mm ±4µmø20mm0.5 - 6123-113*123-10225 - 50mm123-114*123-10350 - 75mm±6µm123-115*123-10475 - 100mm123-116*123-105100 - 125mm±7µmø30mm0.7 - 11123-106125 - 150mm123-107150 - 175mm±8µm123-108175 - 200mm123-109200 - 225mm123-110225 - 250mm±9µm123-111250 - 275mm123-112275 - 300mm* The measuring disks have carbide tips.Inch/MetricOrder No.RangeResolutionAccuracy*Anvil dia.Measurable moduleDigimatic (LCD)323-350-300 - 1".00005"/0.001mm±.0002".787"0.5 - 6 323-351-301" - 2"323-352-302" - 3"±.0003"323-353-303" - 4"* Excluding quantizing errorInchOrder No.RangeGraduationAccuracyAnvil dia.Measurable moduleMechanical counter model223-1250 - 1".001"±.0002".787"0.5 - 6Analog123-1250 - 1".001"±.0002".787"0.5 - 6123-1261" - 2"123-1272" - 3"±.0003"123-1283" - 4"IP Codes (series 323)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. Technical DataFlatness:1µm/.00004” for models up to 100mm/4”1.6µm/.000063” for models over 100mm/4”Parallelism:4µm for models up to 50mm .0002” for models up to 2”6µm for models up to 100mm.0003” for models up to 4”(5+R/75)µm for models over 100mm, R = max. range (mm)fraction rounded upRoot tangent length of gear (En) Base tangent lengthBattery for series 323SR44 (1 pc), 938882, for initial operational checks (stan-dard accessory)Battery life: Approx. 2.4 years under normal use (for series 323) Length standard: Electromagnetic rotary sensor (for series 323)Standard accessories: Reference bar, 1 pc(except for measuring range 0-25mm (0-1") models)Spanner (301336), 1 pcOptional accessories for series 323Connecting cables 1m: 05CZA662 2m: 05CZA663USB Input Tool Direct USB-ITN-B (2m): 06ADV380BConnecting cables for U-WAVE-T 02AZD790B 160mm 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.0000040191


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