Combination Contact & Non-Contact Tachometer – IC-DT-207LR-12

The DT-207LR combine 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 12″ circumference surface speed wheel- Built-in memory for last, maximum, minimum and 10 separate readings

Specifications

– Measuring Range (Non-Contact): 6 to 99,999 rpm- Measuring Range (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- Resolution (Contact Mode): 0.1 RPM- Display: LED, 5 digit 0.47″ (10mm) high- Measurement Units (per minute): Revolutions, Inches, Feet, Yards, Meters- Measurement Units (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: Approx 25 hrs- Low Voltage Indicator: “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)