| post date: | dec 15,2021 |
| expiry date: | dec 15,2022 |
| detailed description: |
photo／contact tachometer surface speed meter dt6236b 5 digits 18mm (0.6") white backlight lcd accuracy: ±(0.05%+1 digit) sampling time: 0.5 sec(over 120rpm) range select: auto-ranging memory: max. value, min. value, last value. can store 96s data. time base: 6mhz quartz crystal detecting distance: 50~500mm measuring range: photo tach: 2.5~99,999rpm contact tach: 0.5~19,999rpm surface speed: 0.05~1,999.9m/min resolution: photo tach: 0.1rpm(2.5~999.9rpm) 1rpm(over 1,000rpm) contact tach: 0.1rpm(0.5~999.9rpm) 1rpm(over 1,000rpm) surface speed: 0.01m/min(0.05~99.99m/min) 0.1m/min(over 100m/min) battery: 4x1.5v aa size battery or to external dc 6v regulated power supply |
