461995

Combination Photo/Contact Tachometers Combines both contact and non-contact models Choice of Laser-guided model for greater distance non-contact measurements Features: 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 Additional Features (461995): Narrow beam Laser photo tachometer for accurate non-contact RPM measurements Measurements from up to 6.5ft from the target for improved safety and accessibility Specifications for both models Photo mode Contact mode Range (RPM) 461895 5 to 99,999 0.5 to 20,000 Range (RPM) 461995 10 to 99,999 0.5 to 20,000 Accuracy 0.05% rdg +1 digit Sampling Time 1 Sec > 60rpm 1 Sec > 6rpm Surface Speed 0.2 to 6560ft/min 0.05 to 1999.9m/min Resolution 0.1rpm (< 1,000 rpm) 1rpm (>1000rpm) Power 4 AA batteries Dimensions 8.5 x 2.6 x 1.5(215 x 65 x 38 mm) Weight 10.6 oz (300 g) Ordering Information: 461895 ................Combination Contact/Photo Tachometer 461895-NIST ......461895 with NIST certificate 461995 ................Laser Photo/Contact Tachometer 461995-NIST ......461995 with NIST certificate 461937 ................Spare Reflective Tape (10pk, 23 each roll) 461990 ................Set of Spare Contact Wheels (2 sets of 3) Specifications subject to change without notice. 6/13/08 - R1 www.extech.com Copyright 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.