DT-207LR Combination Contact & Non-Contact Tachometer
DT-207LR LED Display with 6" Circumference Measuring Wheel
The DT-207LR combines the best features found in both contact and non-contact tachometers for the accurate measurement of rpm, surface speed and length. The screw-in contact adapter makes it quick & easy to convert from non-contact to contact operation.
Features
- Includes NIST Traceable calibration Certificate
- High-precision laser measures from distances up to 14 feet
- LED version for use in poorly lit or dark environments
- Includes 6" circumference surface speed wheel
- Built-in memory for last, maximum, minimum and 10 separate readings
Complete kit includes the tachometer, reflective tape, screw-in contact adapter, 2 cone tips, funnel tip, shaft extension, surface speed wheel, two AA batteries, NIST traceable calibration certificate and an operating instruction manual - all supplied in a foam-fitted carrying case.
Specifications
| 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: ±6 rpm, max. |
| Resolution | Non-Contact Mode: 1 RPM Contact Mode: 0.1 RPM |
| Display | DT-207LR: (LED MODEL) 5 digit 0.4" (10mm) high |
| Measurement Units |
Per Second: Inches, Centimeters (optional, inquire) Per Minute: Revolutions, Inches, Feet, Yards, Meters Per Hour: Miles, Kilometers (optional, inquire) Total: Revolutions, Inches, Feet, Yards, Centimeter, Meters |
| Measuring Distance | 14 feet (4.2 m) maximum |
| Detection | Laser Diode, Class II |
| Memory | 13 readings are stored in memory and retained for 5 minutes (last, max., min., and 10 measurements) |
| Over-Range Indicator | Flashing numerals |
| Update Time | 1 second (typical) |
| Batteries | 2 - 1.5 V AA |
| Battery Life | DT-207LR Approx 25 hrs |
| Low Voltage Indicator | DT-207LR "B" display |
| 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) |