The CHECK-LINE CDT-2000HD Combination Portable Tachometer combines the best features of both contact and non-contact models to accurately measure RPM, surface speed and length.
The CDT-2000HD's rugged construction, portability and outstanding features make It an ideal choice for maintenance personnel, machine operators or others in a wide variety of machinery and material handling applications.The CDT-2000HD includes:

| RPM | |||
|---|---|---|---|
| Non-Contact | 1-99,999 | ||
| Contact | 1-19,999 | ||
| Surface Speed | 6"* (Standard) | 12"* | 0.1 m* |
| m/min | 0.10-1,524 | 0.40-609.6 | 0.10-1,999 |
| ft/min | 0.40-5,000 | 0.40-2,000 | 0.40-6,550 |
| in/min | 4.00-60,000 | 4.00-24,000 | 4.00-78,700 |
| m/sec | 0.10-25.40 | 0.10-10.16 | 0.10-33.30 |
| ft/sec | 0.10-83.33 | 0.10-33.33 | 0.10-109 |
| Total Length | |||
| Meters | 99,999 | ||
| Feet | 99,999 | ||
| Inches | 99,999 | ||
| * Note: Sizes listed are the circumference of measuring wheel | |||
| RPM | Non-Contact: 1.00 - 99,999 rpm Contact: 1.00 - 19,999 rpm |
| Surface Speed | 0.30 - 6,500 feet/min 0.10 - 1,999 meters/min 4.0 - 78,000 inches/min |
| Length | 0.01 - 99,999 feet 0.02 - 99,999 meters 1.0 - 99,999 inches |
| Resolution | 0.01 from 0 - 100 0.1 from 100 - 1,000 1 from 1000 - 99,999 |
| Accuracy | ± 0.02% of reading or 1 digit |
| Display | 5 - Digit LCD, 10mm high |
| Decimal Point | Automatic |
| Memory System | Maximum, minimum, and last reading (retained in memory for the life of the batteries) |
| Measurement System | Non-Contact: Visible LED light beam Contact: Contact adapter |
| Engineering Units | RPM: RPM Surface Speed: Ft/min, inch/min & meters/min Length: Feet, inches, meters |
| Sensing Distance | Up to 24 inches (60 cm) |
| Display Update Time | 0.5 seconds or one measuring |
| Auto Power Off | After 30 seconds of non-use (minimum, maximum and last reading retained in memory) |
| Battery Life | 40 hours continuous use |
| Weight | 6 ounces (170 grams) |
| Housing Material | ABS Plastic housing with removable protective rubber shell |
| Operating Temperature | 32 to 122º F (0 to 50º C) |
| Storage Temperature | -4 to 150º F (-20 to 70º C) |
| Accessories included | Contact adapter, cone tip, universal surface speed wheel, reflective tape, operating instructions and foam-fitted, hard plastic carrying case |
| Optional Accessories | Shaft extension, 3.15 inches (80 mm) |
| Warranty | 5 years |
| Calibration Certificate | Included |
| Dimensions | 18 x 6.5 x 3.5 cm |
| Netto Weight | 220 gr |