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MITUTOYO Digital Outside Micrometer
Dimensional

MITUTOYO

Digital Outside Micrometer

Precision outside micrometers with 0.001 mm resolution. Digital readout with data output for SPC. Available in ranges from 0–25 mm up to 275–300 mm.

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Technical Specifications

MITUTOYO Digital Outside Micrometer

Full specification and available models for this brand. Pricing on enquiry.

MITUTOYO full specification
Series
293 Digimatic (MDC-MX, IP65)
Scale / Sensor Type
Electromagnetic rotary encoder (ABSOLUTE Digimatic)
Resolution
0.001 mm / 0.00005 in
Accuracy (Instrumental Error)
±1 µm for 0–50 mm; ±2 µm for 50–100 mm; increases for larger ranges (e.g. ±6 µm at 300–350 mm, ±8 µm at 450–500 mm)
Repeatability
Not explicitly published; flatness ≤0.3 µm, parallelism ≤1 µm (0–50 mm ranges), ≤2 µm (50–75 mm)
Measuring Force
5 to 10 N (standard MDC-MX); 7 to 12 N (QuantuMike variant)
IP Rating
IP65 (coolant-proof; dust and water splash protection)
Measuring Faces
Carbide-tipped, micro-lapped
Spindle Diameter / Pitch
6.35 mm diameter; 0.5 mm pitch (standard)
Display
LCD with 7.5 mm character height
Data Output
Optional SPC output via water-resistant cable (05CZA662 / 05CZA663); select model codes include built-in output, others do not
Battery
SR44 × 1 pc
Battery Life
Approx. 2.4 years under normal use (ranges 0–100 mm); approx. 1.2 years for larger ranges (>100 mm)
Auto Power-Off
After approx. 20 minutes idle
Functions
Origin-set (ABS), zero-setting (INC), data hold, low-voltage alarm, function lock, inch/mm switchable (inch/metric models)
Standards
EN ISO 3611 / JIS B 7502
Frame Material
Oil-resistant plastic frame cover with nonslip raised-dot surface; carbide anvil and spindle tip

Inch/metric models (293-33x / 293-34x) and economy MDC-Lite (293-821-32) available on request.

Available Models · 8

  • 0–25 mm / 0.001 mm – IP65, metric, with SPC output

    Model: 293-230-30

  • 25–50 mm / 0.001 mm – IP65, metric, with SPC output

    Model: 293-231-30

  • 50–75 mm / 0.001 mm – IP65, metric, with SPC output

    Model: 293-232-30

  • 75–100 mm / 0.001 mm – IP65, metric, with SPC output

    Model: 293-233-30

  • 0–25 mm / 0.001 mm – IP65, metric, no SPC output (ratchet stop)

    Model: 293-240-32

  • 25–50 mm / 0.001 mm – IP65, metric, no SPC output (ratchet stop)

    Model: 293-241-32

  • 50–75 mm / 0.001 mm – IP65, metric, no SPC output (ratchet stop)

    Model: 293-242-32

  • 75–100 mm / 0.001 mm – IP65, metric (ratchet stop)

    Model: 293-243-32

This instrument is also offered by , .

Applications

Shaft diameter measurement, turned component acceptance, and SPC data logging on production lines.