Extech
Extech 461891 – High Precision Contact Tachometer
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Description
The 461891 is a contact Tachometer. Surface wheels measure contact surface speeds (10 to 9,999 rpm) of rotating objects. The memory button holds last reading and recalls min/max readings display. 2 to 6560 feet/minute; 0.05 to 1999.9 meters/minute) or RPM measurements. Comes with cone tip, flat tip and spare wheel for surface speed measurements, four AA batteries, carrying case, and user manual.
- The 461891 is a contact Tachometer.
- Surface wheels measure contact surface speeds (10 to 9,999 rpm) of rotating objects.
- The memory button holds last reading and recalls min/max readings display.
- 2 to 6560 feet/minute; 0.05 to 1999.9 meters/minute) or RPM measurements.
- Comes with cone tip, flat tip and spare wheel for surface speed measurements, four AA batteries, carrying case, and user manual.
| Model | Extech 461891 |
| Rotation Speed (Contact) | 0.5 to 20,000rpm |
| Rotation Speed (Contact) Basic Accuracy | ±0.05% of reading |
| Rotation Speed (Contact) Max Resolution | 0.1rpm |
| Surface Speed (Contact) | 0.2 to 6560ft/min, 0.05 to 1999.9m/min |
| Surface Speed (Contact) Basic Accuracy | ±0.05% of reading |
| Certifications | 461891-NIST_S: CE, NIST 461891_S: CE |
| Dimensions | 6.7 × 2.8 × 1.5" (170 × 27 × 37mm) |
| Power | 4 × AA (1.5V) batteries |
| Warranty | 2 years |
| Weight | 9.2oz (260g) |
| Included | Complete with wheels for linear surface speed (0. |
Specifications are subject to manufacturer updates. Refer to current Extech product documentation for complete operating, safety and maintenance requirements.
Extech Limited Warranty
The Extech 461891 is covered by Extech's standard limited warranty for this product. Register your product with Extech promptly after purchase to activate full coverage.
Warranty term, eligibility, registration requirements, exclusions, and coverage are subject to Extech's complete warranty terms for this model.