General Specification
Model  | 6234P  | 6235P  | 6236P  | 
Size  | 5 digits large LCD display  | 5 digits large LCD display  | 5 digits large LCD display  | 
Measuring range  | /  | Contact rev:1.0~19999RPM  | Contact rev:1.0~19999RPM  | 
/  | Surface Speed (m/min):1.0~1999.9RPM  | Surface Speed (m/min):1.0~1999.9RPM  | |
Contact rev:2.5~99999RPM  | /  | Contact rev:2.5~99999RPM  | |
Resolution  | Contact rev:0.1RPM  | Contact rev:0.1RPM  | Contact rev:0.1RPM  | 
Surface Speed (m/min):0.01m/min  | Surface Speed (m/min):0.01m/min  | Surface Speed (m/min):0.01m/min  | |
Accuracy  | ±0.05%+1  | ±0.05%+1  | ±0.05%+1  | 
Max. Display  | 40000  | 40000  | 40000  | 
Time Base  | 4MHz quartz crystal  | 4MHz quartz crystal  | 4MHz quartz crystal  | 
Power  | 4×1.5V AA(UM-3)  | 4×1.5V AA(UM-3)  | 4×1.5V AA(UM-3)  | 
Dimension  | Approx:157×64×31mm  | Approx:174×64×31mm  | Approx:195×64×31mm  | 
Weight  | Approx:125g  | Approx:110g  | Approx:200g  |