The Extech 461995 combination contact/laser photo tachometer provides both contact (0. 5 rpm to 19,999 rpm) and non-contact (10 rpm to 99,999 rpm) rpm measurement functions for use in virtually all applications. Laser guided non-contact measure up to 2 m (6.5 ft) away for added safety and convenience. Comes with wheels for linear surface speed or rpm measurements, 4 AA batteries, 0.6 m (23 in) reflective tape, carrying case and user manual.
Contact/Laser Photo Tachometer, Combination, +/-0.05% of Reading (Rotation Speed Contact Basic), +/-0.05% of Reading (Rotation Speed Strobe Basic) Accuracy, 2 m Working Distance, AA Light Source, LCD Display, Contact/Noncontact, Noncontact RPM Range: 10 to 99999 rpm, 8.5 in Length, 2.6 in Width, 1.5 in D
| Contact / Noncontact | : | Contact/Noncontact |
| Depth | : | 1.5 in |
| Length | : | 8.5 in |
| Noncontact RPM Range | : | 10 to 99999 rpm |
| Type | : | Combination |
| Width | : | 2.6 in |
| Accuracy | : | +/-0.05% of Reading (Rotation Speed Contact Basic), +/-0.05% of Reading (Rotation Speed Strobe Basic) |
| Working Distance | : | 2 m |
| Light Source | : | AA |
| Display Type | : | LCD |