EXTECH 461891: High Precision Contact Tachometer

EXTECH 461891: High Precision Contact Tachometer

EXTECH 461891: High Precision Contact Tachometer

The EXTECH 461891 is a high-precision handheld contact tachometer designed for accurate measurement of rotational speeds and surface speeds in various mechanical and industrial applications. This device is ideal for checking motor speeds, conveyor belt velocities, and other rotating machinery through direct contact.

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Key Features EXTECH 461891: High Precision Contact Tachometer

• Contact RPM Measurement:

  • Measures rotation speeds from 0.5 to 20,000 RPM

  • Ideal for direct contact with rotating shafts or surfaces

• Surface Speed Measurement:

  • Measures linear surface speeds from 0.2 to 6560 ft/min or 0.05 to 1999.9 m/min

• High Accuracy and Resolution:

  • Accuracy: ±0.05% of reading

  • Resolution: 0.1 RPM

• Memory Functions:

  • Holds last reading

  • Recalls minimum and maximum values

• Ergonomic Design:

  • Compact, easy-to-handle body for field or bench use

  • Quick-access buttons for efficient operation

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Included Accessories

• Surface speed measurement wheels

• Cone tip and flat tip adapters

• Spare surface speed wheel

• 4 × AA batteries

• Durable carrying case

• User manual

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Additional Information

• Certifications: CE certified

• Dimensions: 6.7 × 2.8 × 1.5 inches (170 × 27 × 37 mm)

• Weight: 9.2 oz (260 g)

• Power Source: 4 × AA (1.5V) batteries

• Warranty: 2 years

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Summary

The EXTECH 461891 is a reliable and highly accurate contact tachometer suitable for professional use in environments that require precision speed measurements of rotating equipment. With memory features, multiple measurement tips, and a robust design, this device is ideal for technicians and engineers in maintenance, manufacturing, and quality assurance tasks.