Photo Tachometer Non-Contact rpm and speed measurements From 2 to 6 inches (50 to 150mm) measurement distance from target Features: Large 5 digit LCD display is easy to read Built-in memory recalls last MAX/MIN value stored Autoranging with 0.05% accuracy Non-contact measurements from 5 to 99,999rpm Use reflective marker on object to be measured and point the integral light beam or accurate readings updated every second 2 to 6 inches (50 to 150mm) measurement distance (depending on ambient light) Complete with 23 reflective tape, four AA batteries and case Non-contact measurement on machinery where access is limited Specifications Range (rpm) 5 to 99,999 Accuracy (0.05%rdg +1d) Sampling Time 1sec > 60rpm Resolution 0.1rpm (0.5 to 999.9rpm) 1rpm (>1000rpm) Dimensions 6.7 x 2.8 x 1.5 (170 x 27 x 37mm) Weight 8.8oz (250g) Ordering Information: 461893 ................Non-contact Photo Tachometer 461893-NIST ......461893 with NIST certificate 461937 ................Spare Reflective Tape (10 strips, 23 each) Specifications subject to change without notice. 10/29/08 - 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.X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Adhesive Tapes category: Click to view products by Extech manufacturer: Other Similar products are found below : PF24.0W 4718 4516-1/4x36 56-YELLOW-34 X72YD 00-021200-13972-7 021200-64630 60 TAPE (1 ) 62-GRAY-12 X36YD 62-GRAY- 1 X36YD 69-1 X36YD 764-1 x36yd-Red 764-1 x36yd-White PG ASSY 926-1/4X18YD 967454-1 1194-14 X36YD 1181 19MM X 16,5 METERS 1182-7.7X10 1245-34 X18YD 1267 130C-1X15FT 130-1x10FT 1345-3/8x18yrd 1380-2 X8 E39-RS1-CA 1900-48mm 22- 1/2X36YD 2229-P-2-1/2x3-3/4 88-SUPER-34X44FT 890103N001 2670 SJ3527N-Black-1.5 x50yd EVK-TA-TM047NBH01 AD-UCUSB- DCAUD-SPL 20-1 X60YDS 2020-18mmx55m H150 3900-Blue 3939-24mmx55m 396-1 x36yd 4016-34 x36yd 4462W-12 x72yd 44- TAN-14 X90YD 4504-34x18 471-Trans-1 x36yd-Bulk 5414 34X36 C-22 35-Gray-1/2 371-Tan-48mmx50m 4008-12 X36YD