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Extech Instruments 461990 Tachometer Contact Wheels

This set of spare contact wheels is designed for use with 461895 and 461995 combination photo/contact tachometers, typically used in industrial applications. These tachometers combine contact and non-contact measurement modes, offering RPM measurement from 5 to 99,999, with high accuracy of 0.05%. They feature a large LCD display, reflective tape, and optional laser-guided non-contact measurements up to 6.5 feet from the target, making them versatile for various machinery and surface speed assessments in industrial environments.

Authorized Distributors
Source:Newark
Part No:461990
Stock:39
Inv Date:06-21-2026
Price: Unit price: $47.99
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Part No:461990
Stock:0
Inv Date:06-22-2026
Price: N/A
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Part No:461990
Stock:0
Inv Date:06-21-2026
Price: Unit price: $47.99
Buy/RFQ:
Part No:461990
Stock:1
Inv Date:06-21-2026
Price: Unit price: $55.48
Buy/RFQ:
Part No:461990
Stock:1
Inv Date:06-21-2026
Price: Unit price: $55.48
Buy/RFQ:
Part No:461990
Stock:0
Inv Date:06-21-2026
Price: Unit price: $47.99
Buy/RFQ:
Part No:461990
Stock:0
Inv Date:06-21-2026
Price: Unit price: $65
Buy/RFQ:

Extech Instruments 461990 Tachometer Contact Wheels Specifications:

  • Range (RPM) for model 461895: 5 to 99,999, for model 461995: 10 to 99,999
  • Accuracy: 0.05% reading + 1 digit
  • Sampling Time: 1 second
  • Surface Speed Range: 0.2 to 6560 ft/min (for photo mode), 0.05 to 1999.9 rpm (contact mode)
  • Resolution: 0.1 rpm (< 1000 rpm), 11 rpm (> 1000 rpm)
  • Power: 4 AA batteries
  • Dimensions: 8.5 x 2.6 x 1.5 inches (215 x 65 x 38 mm)
  • Weight: 10.6 oz (300 g)

Buy the Extech Series Combination Photo Contact Tachometers: 461990

Enhance your industrial measurement tools with these high-quality contact wheels compatible with Extech combination tachometers. Designed for precision surface speed and RPM measurement, these wheels help ensure accurate readings across various machinery and applications. Easy to install and durable for long-term use, they are ideal for manufacturing, maintenance, and quality control testing. Purchase online now to upgrade your inspection equipment and experience reliable, high-accuracy results in fast-paced industrial environments.

Order your Extech Series combination photo/contact tachometer contact wheels today and ensure reliable measurement for industrial machinery—performance and precision combined.

Frequently Asked Questions

Where can I buy Extech Instruments 461990?

You can click on the BUY or RFQ button to purchase 461990 from an authorized Extech Instruments distributor.

How do I troubleshoot issues or seek technical support for part 461990?

You can download the 461990 datasheet or visit the Extech Instruments website for support.

Who is the manufacturer of 461990?

Extech Instruments

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