1. Measuring range:
Non-contact: 3-100000RPM
Contact: 3-19999RPM, 0-99999m, 0-1999.9m/min, 0-9999.9ft/min
2. Accuracy:
Non-contact: 0.05%FS+1RPM
Contact: 0.1%FS+1RPM
3. Speed ??display: 5-digit display, up to 99999
4. Effective measurement distance: 50-500mm
5. Measuring method: TA500A: non-contact; TA500C: non-contact/contact
6. Sampling time: 0.8 seconds (above 60 rpm)
7. Operating environment: -10 – 50 degrees Celsius, relative humidity within 80%, indoor altitude less than 2000m
8. Storage environment: -10 – 50 degrees Celsius, relative humidity within 70% (remove the battery)
9. Power supply: 3 x 1.5V AA (R03/LR03)/Micro USB interface 5V (without battery)
10. Display screen size: about 53 x 44mm
11. Dimensions:
Contact type: about 200 x 70 x 35mm
Non-contact type: about 185 x 70 x 35mm
12. Weight:
Contact type: about 200g
Non-contact type: about 190g

Features: