| Unit |
rpm |
| Range |
2.5-99999rpm |
| Basic accuracy |
± (0.1% n + 5d) rpm, (1000 ~ 99999rpm) |
| Laser power |
CLASS â…¡ 2-5mW |
| Sampling rate |
1 times / sec. |
| Test distance |
50-500mm (1.9 – 19.7 in) |
| Time base |
quartz crystal |
| Automatic shutdown |
61s |
| Maximum, minimum, average, last measured value remains |
√ |
| Low Battery Tips |
√ |
| LCD backlight display |
√ |
| Memory function |
√ |
| Operating Environment |
0 ~ 50°C, 32 ~ 122°F, 10 ~ 90% RH |
| Preservation of the environment |
-10 ~ 80°C, -14 ~ 176°F, 10 ~ 75% RH |
| Dimensions |
55.7 * 29.9 * 127mm (2.5 * 1.18 * 5.1in) |
| Weight |
106g |
| Power |
2×1.5V AAA battery |
