
| Measuring Range | Non-Contact - 6 to 99,999 rpm Contact - 0.8 to 25,000 rpm  | 
| Accuracy | 6 to 8,299 rpm: ±1 rpm 8,300 to 24,999 rpm: ±2 rpm 25,000 to 99,999 rpm: ±0.006% rpm  | 
| Display | DT-205LR (LCD MODEL)  5 digit 0.47" (12mm) high LCD DT-207LR (LED MODEL) 5 digit 0.4" (10mm) high LED  | 
| per Minute | Revolutions, Meters, Yards, Feet, Inches | 
| Total Length | Meters, Yards, Feet, Inches | 
| Measuring Distance Laser | 14 feet (5.2 m) maximum | 
| Detection | Laser Diode, Class II | 
| Memory | 13 readings are stored in memory and retained for 5 minutes | 
| Over-Range Indicator | Flashing numerals | 
| Update Time | 1 second (typical) | 
| Batteries | 2 - 1.5 V AA | 
| Battery Life | DT-205LR Approx 40 hrs DT-207LR Approx 25 hrs  | 
| Operating Temp | 32° to 113° F (0 to 45° C) | 
| Construction | Die-cast aluminum housing | 
| Weight | 0.8 pounds (365 grams) | 
| Dimensions | 6.6" L x 2.4" W x 1.8" H (167mm x 61mm x 45.7) | 
| Warranty | 1 year | 
| Accessories Included | Reflective tape, cone adapter, surface speed wheel (6" cir.), 200L contact adapter and carrying case |