Mitutoyo SPM-50MX Digital Spline Micrometer, 25-50 mm (331-252-30)

Genuine Mitutoyo SPM-50MX (331-252-30), new Japanese-market stock shipped from Japan. It is a digital spline micrometer with 3 mm tips, measuring 25 to 50 mm with 0.001 mm minimum reading and ±2 µm maximum permissible error.

Product identification

• Brand: Mitutoyo
• Model: SPM-50MX
• Manufacturer code: 331-252-30
• JAN: 4946368688855
• Country of origin: Japan

Specifications

• Type: Digital spline micrometer
• Data output: Yes (measurement data output connector)
• Measuring faces: spline type, carbide-tipped
• Tip diameter: 3 mm
• Measuring face size: φ3 × 10 mm
• Constant-force device: ratchet stop
• Measuring range: 25 to 50 mm
• Minimum reading: 0.001 mm
• Maximum permissible error: ±2 µm
• Parallelism: 2 µm
• Flatness: 0.3 µm
• Position detection: electromagnetic induction rotary encoder
• Protection rating: IP65 (as listed in the distributor catalog)
• Power: SR44 silver oxide button cell x1 (included)
• Battery life: approx. 2.4 years under normal use
• Drawing dimension a: 10.1 (catalog drawing reference)
• Drawing dimension b: 47 (catalog drawing reference)
• Drawing dimension c: 17.5 (catalog drawing reference)
• Drawing dimension L: 25 (catalog drawing reference)
• Weight: 490 g

In the box

• Setting standard x1
• Spanner (No.301336) x1
• SR44 silver oxide button cell x1 (listed as included in the power specification)

FAQ

Is this a genuine Mitutoyo product?
Yes. It is new, genuine Mitutoyo stock from the Japanese market, shipped to you from Japan.

Is there a version for the next range up?
Yes. See the SPM-75MX digital spline micrometer (331-253-30).

Specifications: Mitutoyo product data from a Japanese distributor catalog (TRUSCO Orange Book). Specifications may change; check the maker's documentation for critical use.