EXTECH Combination Contact/Photo Tachometers

Combine Contact and Noncontact Tools for All Applications

All units come complete with wheels for linear surface speed or rpm measurements, four 1.5V AA batteries, 23" reflective tape and carrying case.
Specifications: Characters on display of each tachometer reverse direction depending on contact or photo mode. Memory/readings button holds last reading for five minutes and recalls min./max. readings. Nos. 136581 and 136582 use visible light to read up to 6" from target. Nos. 136583–136584 are laser guided for greater distance noncontact measurements up to 6-1/2'.
Compliance: CE approved.
Calibration: NIST-Traceable Calibration available for Tachometers. Meets ISO/IEC 17025 Accreditation.