C-11CMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.• Affordable, entry-level Holtest.• Same accuracy as the titanium-coated Holtest models.• For details of Setting Rings, refer to page C-47.• Constant-force device allows repeatable measurement, regardless of operator's skill.• Deep holes can be measured by attaching an Extension Rod (optional).Holtest (Type II)SERIES 368 — Three-point Internal Micrometers368-769368-770368-774For details of Special-order Products, refer to page C-49. HoltestFor easy and accurate measurement of inside diametersAn inspection certicate is supplied as standard. Refer to page U-9 for details.L3L5Range(mm)L3(mm)L5(mm)12 - 202.6 or below3.520 - 303.4 or below5.230 - 5010.050 - 10014.0100 - 30019.6 or below13.8SPECIFICATIONSMetric IndividualOrder No.Range*2 (mm)Graduation (mm)Maximum permissible error JMPE (µm)*1Extension Rod (optional)368-76412 - 160.005±3 (maximum difference 3)952621 (150 mm)368-76516 - 20368-76620 - 25952622 (150 mm)368-76725 - 30368-76830 - 40368-76940 - 50368-77050 - 63952623 (150 mm)368-77162 - 75±4 (maximum difference 4)368-77275 - 88368-773 87 - 100368-774100 - 125±5 (maximum difference 5)368-775125 - 150368-776150 - 175368-777175 - 200368-778200 - 225±6 (maximum difference 6)368-779225 - 250368-780250 - 275368-781275 - 300Inch IndividualOrder No.Range*2 (in)Graduation (in)Maximum permissible error JMPE (in)*1Extension Rod (optional)368-8640.5 - 0.650.0002±0.00015 (maximum difference 0.00015)952621 (150 mm)368-8650.65 - 0.8368-8660.8 - 1952622 (150 mm)368-8671 - 1.2368-8681.2 - 1.6368-8691.6 - 2368-8702 - 2.5952623 (150 mm)368-8712.5 - 3±0.0002 (maximum difference 0.0002)368-8723 - 3.5368-8733.5 - 4368-8744 - 5±0.00025 (maximum difference 0.00025)368-8755 - 6368-8766 - 7368-8777 - 8368-8788 - 9±0.0003 (maximum difference 0.0003)368-879 9 - 10368-88010 - 11368-88111 - 12*1Additionally, the difference in permissible error allowable is limited to a value within this range, as given in parentheses, and is measured with the entire measuring surface in contact with the object measured.*2 The measurement range cannot be enlarged by measuring heads that are not standard-supplied (the accuracy is not guaranteed).Note: Setting rings are optional.
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