Product Description
Extech 461891 High Precision Contact Tachometer
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 Extech 461891 High Precision Contact Tachometer
- Large 5 digit LCD display is easy to read
- Built-in memory recalls last MAX/MIN value stored
- Autoranging with 0.05% accuracy
- Contact measurements from 0.5 to 19,999rpm plus linear surface speed measures in ft/min or m/min
- Simply contact rotating object with sensor tip and read
- Accessory wheels enable tachometer to measure linear surface speeds
- Complete with cone tip, flat tip and spare wheel for surface speed measurements, four 1.5V AA batteries and case
Ordering Information:
- 461891 …………….Contact Tachometer
- 461891-NIST ……461891 with Calibration Traceable to NIST
Specifications Extech 461891 High Precision Contact Tachometer
| 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) |
Extech 461891 – Datasheet
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