Tachometers Combine Contact and Noncontact Tools for All Applications
Includes wheels for linear surface speed or rpm measurements, four 1.5V AA batteries, 23" reflective tape and carrying case. Characters on display reverse direction depending on contact or photo mode. EXTECH Combination Contact / Photo Tachometers have memory / readings button holds last reading for 5 mins. and recalls min. / max. readings.
Combination Contact / Photo Tachometer (No. 136581) uses visible light to read up to 6" from target.
Combination Contact / Laser Photo Tachometer (No. 136583) is laser-guided for greater distance noncontact measurements up to 6-1/2'.
NIST-Traceable Calibration (No. 136540) meets ISO / IEC 17025 accreditation.