Mahr Micromar 40EWR Digital Outside Micrometer 25-50 mm IP65

The Mahr Micromar 40EWR is a high-precision digital outside micrometer designed for professional measurement tasks. With a measuring range of 25-50 mm and an accuracy of ±2 µm, it delivers reliable results in demanding industrial environments. The IP65 protection class ensures resistance to dust and water jets, making it suitable for use in harsh workshop conditions.

Advantages

Equipped with an incremental inductive measuring system, the Micromar 40EWR offers high resolution of 0.001 mm / 0.00005 inch. The ratchet thimble ensures consistent measuring force, while the carbide-tipped measuring faces provide long-lasting durability. The high-contrast LCD display is easy to read, and the MarConnect data output allows connection to USB, RS232, or Digimatic interfaces for efficient data transfer.

Suitable for

• Precision measurement of external dimensions in mechanical engineering
• Quality control and inspection in manufacturing
• Use in workshops and production lines where dust and moisture are present

Key specifications

• Measurement Range: 25 - 50 mm (1 - 2 inch)
• Resolution: 0.001 mm / 0.00005 inch
• Accuracy: ± 2 µm
• Protection Class: IP65
• Data Output: MarConnect (USB, RS232, Digimatic)
• Display: High-contrast LCD
• Measuring System: Incremental inductive
• Measuring Faces: Carbide-tipped
• Spindle Diameter: Ø 6.5 mm
• Thimble: Ratchet thimble
• Battery: 1x CR2032 (3V Lithium), approx. 2000 hours life
• Operating Temperature: +10 °C to +40 °C
• Standard: DIN 863
• Measuring Force: 5 - 10 N
• Functions: ON/OFF, RESET, mm/inch, PRESET, DATA, LOCK, TOL, HOLD, MAX/MIN, TIR, ABS
• Frame: Painted steel

Recommendations

For optimal performance, use with Mahr MarConnect cables and software. Regularly clean the measuring faces and store in a dry environment. Calibration is recommended annually.