Pocket Laser Tach 200 is a frequency meter produced by Monarch Instrument. It can measure the revolutions per minute, rate, total number of revolutions and running time of rotating objects.
The Pocket Laser Tach 200 is a precision hand‑held multifunction device that measures speed, rate, total count and time. It can display results in various units, supports non‑contact laser measurement and optional contact wheels, and includes input/output sockets for external sensors.
This manual covers safety precautions, battery replacement, cleaning, feature locations, detailed specifications, and step‑by‑step procedures for tachometer, rate, totalizer and timer modes, as well as how to connect external sensors and accessories.
| Laser Classification | Class 3R (per IEC 60825-1) |
|---|---|
| Maximum Laser Output | 3 mW |
| Laser Wavelength | 650 nm |
| Beam Divergence | <1.5 mrad |
| Beam Diameter | 4 × 7 mm at 2 m |
| Non‑Contact RPM Range | 5 – 200,000 RPM |
| Non‑Contact Accuracy | ±0.01 % of reading |
| Contact RPM Range | 0.5 – 20,000 RPM |
| Timer Accuracy | ±0.2 second |
| Battery Type | 2 × AA alkaline 1.5 V |
It is a Class 3R laser product as defined by IEC 60825‑1.
The instrument uses two AA alkaline 1.5 V batteries; replace them by removing the battery cover and inserting new cells in the same direction.
Press and hold the Lock‑on button; the unit will stay locked and continue measuring.
The maximum laser output is 3 mW.