Display 5 digits large LCD
Range: 2.5 - 99,999 RPM
Distance: 50 to 1,000 mm; 12 to 40 inches.
Resolution:0.1 RPM<1000 RPM
2.5 RPM to 9,999 RPM
1 RPM >10,000 RPM (±0.025%+1dgt)
Measurement angle :at less than 120 degrees.
Range selection: Auto
Laser Output Power:<1mW class II
Sampling Time: 1.0 seconds (over 60 RPM)
Memory: Last value, Max Value, Min. Value
Test Distance: 50 to 1,000mm or 12 to 40 inches.
Time base: Quartz crystal
Circuit: Exclusive one-chip LSI circuit
Battery: 4 X 1.5V AA(not included)
Sinometer Laser Type Tachometer DT2234C accurately measures RPMs at a stunning range of 2.5 to 99,999. To take a measurement, apply the reflective marks provided to the surface being measured, then aim the laser, push the side button and the RPM reading is immediately displayed. The 5 digit LCD display makes reading measurements simple and easy. No contact with the shaft or wheel is necessary. Comes with reflective tape and cushioned carrying case.