Description
Product overview
Mitutoyo Series 343 digital and Series 143 mechanical caliper-type micrometers for measuring hard-to-reach features. Quote-only. Also useful for field inspection, prototype measurement, research labs, university labs, and engineering QA.
Mitutoyo Caliper-type Micrometers Series 343 and 143 is part of Mitutoyo Section B (Micrometers). Macroscopic Solutions supplies this product through a reviewed purchase or quote path so configuration, compatibility, shipping, freight, accessories, and support requirements can be confirmed before fulfillment.
Catalog reference: US-1005 B-45
Quote-only Mitutoyo Series 343 digital and Series 143 mechanical caliper-type micrometers from catalog US-1005.
Technical Data
Key specifications
| Accuracy | Refer to the list of specifications |
|---|---|
| Resolution | 0.001mm or .00005" / 0.001mm |
| Graduation | 0.01mm / .001" |
| Flatness | 0.3um / .000012" |
| Parallelism | (3+R/75)um, R=max. range (mm); .00012" + .00004" (L/8)" |
| Measuring faces | Carbide tipped |
| Display | LCD on digital models |
| Battery | SR44, one piece, 938882 |
| Supplied | Fitted plastic case |
Caliper-type Micrometer Specifications
| Model type | Unit system | Range | Resolution / Graduation | Order No. | Accuracy | Mass |
|---|---|---|---|---|---|---|
| Digital | Metric | 0 – 25mm | 0.001mm | 343-250-30 | +/-5um | 630g |
| Digital | Metric | 25 – 50mm | 0.001mm | 343-251-30 | +/-6um | 650g |
| Digital | Metric | 50 – 75mm | 0.001mm | 343-252-30 | +/-7um | 1040g |
| Digital | Metric | 75 – 100mm | 0.001mm | 343-253-30 | +/-8um | 1090g |
| Digital | Inch/Metric | 0 – 1" / 0 – 25.4mm | .00005" / 0.001mm | 343-350-30 | +/-.00025" | 630g |
| Digital | Inch/Metric | 1 – 2" / 25.4 – 50.8mm | .00005" / 0.001mm | 343-351-30 | +/-.0003" | 650g |
| Digital | Inch/Metric | 2 – 3" / 50.8 – 76.2mm | .00005" / 0.001mm | 343-352-30 | +/-.00035" | 1040g |
| Digital | Inch/Metric | 3 – 4" / 76.2 – 101.6mm | .00005" / 0.001mm | 343-353-30 | +/-.0004" | 1090g |
| Mechanical | Metric | 0 – 25mm | 0.01mm | 143-101 | +/-5um | 210g |
| Mechanical | Metric | 25 – 50mm | 0.01mm | 143-102 | +/-6um | 230g |
| Mechanical | Metric | 50 – 75mm | 0.01mm | 143-103 | +/-7um | 280g |
| Mechanical | Metric | 75 – 100mm | 0.01mm | 143-104 | +/-8um | 330g |
| Mechanical | Inch | 0 – 1" | .001" | 143-121 | +/-.00025" | 210g |
| Mechanical | Inch | 1 – 2" | .001" | 143-122 | +/-.0003" | 230g |
| Mechanical | Inch | 2 – 3" | .001" | 143-123 | +/-.00035" | 280g |
Pricing is subject to change. Request a quote for current pricing and availability.
Applications beyond production metrology
Common applications beyond production metrology include field and bench inspection for research teams, prototype measurement, university teaching labs, geoscience sample fixture checks, botanical and life-science lab hardware measurement, engineering QA, and oil and gas maintenance or component documentation.
Application notes are general examples for discovery and planning; confirm suitability, tolerances, fixtures, standards, and regulatory requirements for the specific measurement task.
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