EXTECH 461895 Tachometer, +/-0.05% RPM Acc, LCD 8PMK7

Extech 461895 Combination Contact / Photo Tachometer
The Extech 461895 is a versatile combination contact and non-contact (photo) tachometer designed for accurate measurement of rotational speed (RPM) and surface speed. It is ideal for industrial maintenance, quality control, and troubleshooting rotating machinery.
Key Features
Dual measurement modes:
Contact tachometer: Measures RPM directly using contact adapters
Photo (non-contact) tachometer: Uses a visible light beam and reflective tape for safe distance measurements
Wide measurement range:
Contact RPM: 0.5 to 19,999 RPM
Photo RPM: 5 to 99,999 RPM
Surface speed measurement with contact wheel:
0.2 to 6,560 ft/min
0.05 to 1,999.9 m/min
High accuracy: ±0.05% of reading
Large 5-digit LCD display with easy-to-read measurements
Memory functions: Stores last reading, minimum, and maximum values
Rugged handheld design for field and shop use
Included Accessories
Contact cone and funnel adapters
Surface speed wheel
Reflective tape for photo measurements
Carrying case
User manual
4 × AA batteries
General Specifications
Accuracy: ±0.05%
Resolution: Up to 0.1 RPM
Display: 5-digit LCD
Power: 4 AA batteries
Dimensions: Approx. 8.5 × 2.6 × 1.5 in (216 × 66 × 38 mm)
Applications
Motors and pumps
Fans and conveyors
Manufacturing and maintenance diagnostics
Quality control and inspection