Tachometers and stroboscopes measure the motion and the rotational speed of objects. These products include traceable, digital, and precalibrated tachometers available with red LED pointers.
Certifications/Compliance: Individually serial-numbered Traceable Certificate provided from an ISO 17025 calibration laboratory indicating traceability to +standards provided by NIST™. Includes: 9 V battery. Weight (English): 4 oz. Weight (Metric): 113 g.