The Extech 461995 Combination Contact/Laser Photo Tachometer offers both contact (0. 5 RPM to 19,999 RPM) and non-contact (10 RPM to 99,999 RPM) RPM measurement features for use in almost any application. Laser-guided non-contact measuring up to 2 m (6.5 ft) distant for improved safety and convenience. The kit includes wheels for measuring linear surface speed or RPM, 4 AA batteries, 0.6 m (23 in) of reflective tape, a carrying bag, and a user handbook.
| Rotation Speed (Contact) | 0.5 to 19,999rpm |
|---|---|
| Rotation Speed (Contact) Basic Accuracy | ±0.05% of reading |
| Rotation Speed (Contact) Max Resolution | 0.1rpm |
| Rotation Speed (Strobe) | 10 to 99,999rpm |
| Rotation Speed (Strobe) Basic Accuracy | ±0.05% of reading |
| Rotation Speed (Strobe) 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 | CE |
| Dimensions | 8.5 × 2.6 × 1.5" (216 × 66 × 38mm) |
| Power | 4 × AA (1.5V ) batteries |
| Warranty | 2 years |
| Weight | 10.6oz (300g) |