Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-252-30, measuring range 25-50 mm, IP65
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Accessories available
Informazioni di prodotto e di utilizzo
Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-252-30, measuring range 25-50 mm, IP65. The plastic parts resist oils and coolants (IP65); Anvil and spindle of reduced diameter, for measuring splined shafts, grooves and keyways; Excellent resistance to water, coolants and dust (IP65) allows use in production environments.
Key features
- The plastic parts resist oils and coolants (IP65)
- Anvil and spindle of reduced diameter, for measuring splined shafts, grooves and keyways.
- Excellent resistance to water, coolants and dust (IP65) allows use in production environments.
Description
Digimatic micrometer with reduced-diameter spindles for measuring grooves and shaped parts.
Technical data
| Model | SPM-50MX |
| Digital / Analogue | Digital |
| Inch / Metric | Metric |
| Measuring range | 25–50 mm |
| Resolution | 0.001 mm |
| Maximum permissible error (MPE) (full range) | ±2 µm |
| Length variation V MPE | 2 µm |
| Display | LCD, character height 7.5 mm |
| Measuring faces | Carbide-tipped, precision-lapped, reduced |
| Anvil/Spindle | Type A, D=3 mm |
| Spindle | NC Linear Scale ST1371A-5400F |
| Scale | Matt chrome-plated thimble and sleeve, Ø 18 mm |
| Data output | Yes |
| Measuring force | 5 - 10 N |
| Power supply | SR-44 battery |
| Battery life | approx. 2.4 years |
| ORIGIN | Yes |
| ZERO / ABS | Yes |
| Automatic power-off after 20 minutes of inactivity | Yes |
| Low voltage alarm | Yes |
| Lock function | Yes |
| HOLD | Yes |
| Mass | 470 g |
| L | 83.2 mm |
| a | 17.5 mm |
| b | 10.1 mm |
| c | 47 mm |
| Mitutoyo code | 331-252-30 |
Supplied with
box · key · setting standards · 1 SR44 battery
Compatible accessories
- 05CZA662 – Digimatic cable with data button IP67, 1 m, micrometer type – Mitutoyo 05CZA662
- 05CZA663 – Digimatic cable with data button IP67, 2 m, micrometer type – Mitutoyo 05CZA663
- 06AFM380B – USB Input Tool Direct (Digimatic to USB), 2 m cable, Digimatic/Digimatic 2, with data button, IP micrometer type – Mitutoyo 06AFM380B
- 264-622 – U-WAVE fit, IP67, wireless transmitter for micrometer – Mitutoyo 264-622
- 264-623 – U-WAVE fit, buzzer type, wireless transmitter for micrometer – Mitutoyo 264-623
- 264-626 – U-WAVE fit Bluetooth, IP67 type, wireless transmitter for micrometer – Mitutoyo 264-626
- 264-627 – U-WAVE fit Bluetooth, buzzer type, wireless transmitter for micrometer – Mitutoyo 264-627
- 02AZF310 – Connection unit for IP caliper, micrometer, with data button for U-WAVE fit, U-WAVE fit Bluetooth – Mitutoyo 02AZF310
Spare parts and consumables
- 63AAA800 – SR44 1.5 V battery Mitutoyo 63AAA800
- 331-251-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-251-30, measuring range 0-25 mm, IP65
- 331-261-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-261-30, measuring range 0-25 mm, IP65
- 331-252-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-252-30, measuring range 25-50 mm, IP65
- 331-262-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-262-30, measuring range 25-50 mm, IP65
- 331-253-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-253-30, measuring range 50-75 mm, IP65
- 331-263-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-263-30, measuring range 50-75 mm, IP65
- 331-254-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-254-30, measuring range 75-100 mm, IP65
- 331-264-30 – Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-264-30, measuring range 75-100 mm, IP65
Documentation
- Brochure: prit 1491 digimatic micrometer it
- Document: 11-26-24-catalog extract-Digimatic micrometers with reduced-diameter spindles
Price and availability
Models without a listed price are offered in a configuration defined together with our technical support: contact us for a quote, stating your application and measuring range.
Selection guide: Digimatic micrometers with reduced-diameter spindles
Digimatic micrometer with reduced-diameter spindles Mitutoyo 331-252-30, measuring range 25-50 mm, IP65. The plastic parts resist oils and coolants (IP65); anvil and spindle with reduced diameter for measuring splined shafts, grooves and keyways; excellent resistance to water, coolants and dust (IP65) allows use in production environments.
Choose the micrometer according to measuring range (25–50 mm) and contact type: flat anvils for shafts and plates, blade anvils for grooves and slots, pointed or disc anvils for threads and gears, interchangeable anvils for wide ranges. The IP65 protection rating allows use on the machine with coolant; the ratchet friction ensures constant measuring force. Models "with data output" connect to a PC or U-WAVE.
If in doubt, contact us: our technical support will recommend the model, measuring range and accessories suited to your application.
Integration and programming
Digimatic instruments with data output transfer measurements using the Mitutoyo Digimatic protocol: via a cable with data button to a USB Input Tool (the PC receives them as keyboard input, directly in Excel or in the SPC software), or wirelessly with the U-WAVE transmitters (USB or Bluetooth receiver). The indicators can be connected to multi-channel display units and to statistical process control systems.
For integration into test stations, measuring fixtures or SPC software, our technical team will support you in choosing cables, receivers and software.
Calibration and repair
The instrument is supplied with Mitutoyo inspection certificate. For ISO 9001 / IATF quality systems, periodic calibration (typically annual) with a traceable certificate is recommended; RODER manages it through accredited laboratories. Check the zero (using the supplied setting standard for ranges above 25 mm) and the parallelism of the anvils with optical flats; always use the ratchet stop for a constant measuring force.
Service: RODER S.r.l. – INNOVACHECK division handles calibration with certificate (including ACCREDIA through partner laboratories), periodic verification and repairs of Mitutoyo instruments in Italy. Contact us, stating the model and serial number.