## Description - Five-digit resolution is 0.001, 0.01, 0.1, or 1, depending on revolutions displayed - HOLD button freezes results - Accuracy is 0.04% ±2 digits - 0.50 in. (1.2cm) high LCD digits can be read from 10 ft. - Low-battery condition indicated on the display - Impact-resistant ABS housing - Dimensions: 4.75 x 1.75 x 1.25 in. (12 x 4 x 3cm) - Weight: 4 oz. (113g) **To Use** - Optical no-contact measurements are made by placing a piece of self-adhesive reflective tape (30 in. [76cm] tape supplied) on the rotating object - Red LED light locks on the tape and counts rotations - In two seconds, it provides rock-solid answers from 10 to 99,999rpm #### Order Info Dimensions: 4.75 x 1.75 x 1.25 in. (12 x 4 x 3cm). Weight: 4 oz. (113g) #### Certifications Individually serial-numbered Traceable Certificate provided from an ISO 17025 calibration laboratory indicating traceability to standards provided by NIST™. **Includes**: 9V battery ## Specifications ||| | ------------ | ------------ | |For Use With (Application)|Measure centrifuges, pumps, rollers, shafts, gears, motors, and moving surfaces.| |Accuracy|0.04% ±2 digits| |Display Type|LCD| |Range|10 to 99,999rpm| |Weight (English)|4 oz.| |Product Type|Tachometer with Red LED Pointer| |Certifications/Compliance|Individually serial-numbered Traceable Certificate provided from an ISO 17025 calibration laboratory indicating traceability to standards provided by NIST™.| |Includes|9V battery| |Resolution|0.001, 0.01, 0.1, or 1| |Weight (Metric)|113g|