Description
Product overview
Mitutoyo interchangeable-anvil outside micrometers in digital Series 340 and analog Series 104 metric models. Current models may be purchased online; request a quote when calibration, freight, or international delivery must be confirmed. Also useful for field inspection, prototype measurement, research labs, university labs, and engineering QA.
Mitutoyo Outside Micrometers Series 340 / 104 – Interchangeable Anvils, Metric Models 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-16
Current replacement for Series 105 model 105-104
Mitutoyo 104-145A is the manufacturer-confirmed replacement for inactive model 105-104. It covers 600–700mm with 0.01mm graduation, ±3µm accuracy, four interchangeable anvils, four standards, carbide facing on the spindle, ratchet stop, and a fitted wooden case. List price: ,620.00. Availability and international delivery are confirmed at order time.
Current Mitutoyo interchangeable-anvil outside micrometer family from catalog US-1005. Digital Series 340 and analog Series 104 metric models are grouped here by range and model type.
Technical Data
Key specifications
| Accuracy | +/-(4+R/75)um, R=max. range (mm) |
|---|---|
| Resolution, digital models | 0.001mm |
| Graduation, analog models | 0.01mm |
| Flatness | 0.6um for models up to 300mm; 1um for models over 300mm |
| Measuring faces | Carbide tipped spindle only |
Metric – Digital Model
| Range | Resolution | Order No. | Mass | Remarks |
|---|---|---|---|---|
| 0 – 150mm | 0.001mm | 340-251-30 | 0.96kg | with 6 anvils & 5 standards |
| 150 – 300mm | 0.001mm | 340-252-30 | 1.88kg | with 6 anvils & 6 standards |
| 300 – 400mm | 0.001mm | 340-520 | 3.31kg | with 4 anvils & 4 standards |
| 400 – 500mm | 0.001mm | 340-521 | 4.81kg | with 4 anvils & 4 standards |
| 500 – 600mm | 0.001mm | 340-522 | 6.35kg | with 4 anvils & 4 standards |
| 600 – 700mm | 0.001mm | 340-523 | 7.72kg | with 4 anvils & 4 standards |
| 700 – 800mm | 0.001mm | 340-524 | 9.08kg | with 4 anvils & 4 standards |
| 800 – 900mm | 0.001mm | 340-525 | 10.41kg | with 4 anvils & 4 standards |
| 900 – 1000mm | 0.001mm | 340-526 | 11.78kg | with 4 anvils & 4 standards |
Metric – Analog Series 104 Models
| Range | Order No. | Accuracy | Mass | Flatness | Parallelism | Included |
|---|---|---|---|---|---|---|
| 0 – 100mm | 104-139A | ±6µm | 0.32kg | 0.6µm | 3µm or less | with 4 anvils & 3 standards |
| 0 – 150mm | 104-135A | ±6µm | 0.79kg | 0.6µm | 4µm or less | with 6 anvils & 5 standards |
| 50 – 150mm | 104-161A | ±6µm | 1.35kg | 0.6µm | 4µm or less | with 4 anvils & 4 standards |
| 100 – 200mm | 104-140A | ±7µm | 1.38kg | 0.6µm | 4µm or less | with 4 anvils & 4 standards |
| 150 – 300mm | 104-136A | ±8µm | 2.65kg | 0.6µm | 5µm or less | with 6 anvils & 6 standards |
| 200 – 300mm | 104-141A | ±5µm | 2.22kg | 1µm | 5µm or less | with 4 anvils & 4 standards |
| 300 – 400mm | 104-142A | ±3µm | 3.31kg | 1µm | 6µm or less | with 4 anvils & 4 standards |
| 400 – 500mm | 104-143A | ±3µm | 4.81kg | 1µm | 7µm or less | with 4 anvils & 4 standards |
| 500 – 600mm | 104-144A | ±3µm | 6.35kg | 1µm | 8µm or less | with 4 anvils & 4 standards |
| 600 – 700mm | 104-145A | ±3µm | 7.72kg | 1µm | 9µm or less | with 4 anvils & 4 standards |
| 700 – 800mm | 104-146A | ±3µm | 9.08kg | 1µm | 10µm or less | with 4 anvils & 4 standards |
| 800 – 900mm | 104-147A | ±3µm | 10.41kg | 1µm | 11µm or less | with 4 anvils & 4 standards |
| 900 – 1000mm | 104-148A | ±3µm | 11.78kg | 1µm | 12µm or less | with 4 anvils & 4 standards |
The catalog notes that the 104-171 frame is in a heat-insulated cover. 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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