Extech's Photo/Contact Tachometer comes complete with wheels for linear surface speed or rpm measurements, four 1.5V AA batteries, 23" reflective tape and a carrying case. Characters on display of this Tachometer reverse direction depending on contact or photo mode. Memory/readings button holds last reading for five minutes and recalls min./max. readings. It uses visible light to read up to 6" from target. Compliance: CE approved. Calibration: NIST-Traceable Calibration available for Tachometers. Meets ISO/IEC 17025 Accreditation.

Features:

• NIST Certificate of Calibration
• Unique display where characters reverse direction depending on measurement mode you are in
• Large 0.4” (5 digit) LCD display
• Microprocessor based with quartz crystal oscillator to maintain high accuracy
• Tachometer memory stores last, max and min readings
• Provides wide RPM (photo and contact) and Linear Surface Speed (contact) measurements
• Accurate to 0.05% with max resolution of 0.1rpm in either photo or contact mode
• Complete with tips and wheel for rpm or linear surface speed, four 1.5V AA batteries, reflective tape and carrying case

Spec Summary: