This product is a non-contact tachometer with a measuring range of 5 to 99999rpm and a measuring distance of 2 to 6 inches.
The document is a product datasheet for the EXTECH 461893 Photo Tachometer. It describes the device as a tool for non-contact rpm and speed measurements, suitable for use on machinery where access is limited. Key features include a large 5-digit LCD display, built-in memory for MAX/MIN values, and autoranging capabilities.
| Range (rpm) | 5 to 99,999 |
|---|---|
| Accuracy | +(0.05%rdg +14} |
| Sampling Time | > 60pm |
| Resolution (0.5 to 999.9rpm) | 0.1 rpm |
| Dimensions | 6.7 x2.8x 1.5" (170 x 27 x 37mm) |
| Weight | 8.8oz (250g) |
The device measures non-contact speeds from 5 to 99,999 rpm.
It measures from 2 to 6 inches (50 to 150mm) depending on ambient light.
The autoranging function provides an accuracy of 0.05%.