461891: High Precision Contact Tachometer
Fast and accurate rpm and surface speed measurements to 20,000rpm. 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. Complete with wheels for linear surface speed (0.2 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.
Features.
- 0.05% basic accuracy
- Make contact measurements of rotating objects
- Measure linear surface speeds in ft/min or m/min using three accessory wheels provided
- Recalls Last/ MAX/MIN values
| Specifications | Range |
|---|---|
| rpm | 0.5 to 20,000 |
| ft/min | 0.2 to 6560 |
| m/min | 0.05 to 1999.9 |
| Basic Accuracy | ±0.05%rdg |
| Max rpm Resolution | 0.1rpm |
| Dimensions | 6.7×2.8×1.5″ (170x27x37mm) |
| Weight | 9.2oz (260g) |
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