Detail Lutron DT-2234B Photo Tachometer :
- Range : 5 to 99,999 RPM
- Resolution :
0.1 RPM ;<1,000 RPM
1 RPM ; 1000 RPM - Display : 5 digits, 10mm (0.4 inch) LCD
- Accuracy : ± ( 0.05 % + 1 digit ).
- Sampling time : 1 second (60 RPM)
- Time base : 1 quartz crystal
- Photo Tach detecting distance : 5 to 150 mm/ 2 to 6 inch (typical max. 300 mm/12 inch depending upon ambient light)
- Circuit : Exclusive one-chip of microcomputer LSI circuit
- Battery : 1.5 V AA (UM-3) battery x 4 PCs
- Operating temp : 0 to 50 ◦C (32 to 122 ◦F )
- Memory : Last value, Max. value, Min value
- Size : 190x72x37 mm
- Weight : 250g/ 0.55 LB including battery
