- Features
| 2 to 6 |
| Characters on display reverse direction depending on contact or photo mode |
| Uses visible light to read up to 6 in from target |
| Memory/reading button holds last reading for 5 min and recalls minimum/maximum reading |
| Microprocessor based with quartz crystal oscillator to maintain high accuracy |
| Provides wide rpm (photo and contact) and linear surface speed (contact) measurement |