{"id":22994,"date":"2020-12-14T14:05:27","date_gmt":"2020-12-14T07:05:27","guid":{"rendered":"https:\/\/techmaster.com.vn\/?post_type=product&#038;p=22994"},"modified":"2023-07-11T13:57:00","modified_gmt":"2023-07-11T06:57:00","slug":"extech-461920-mini-laser-photo-tachometer-counter","status":"publish","type":"product","link":"https:\/\/techmaster.com.vn\/en\/extech-461920-mini-laser-photo-tachometer-counter\/","title":{"rendered":"Extech 461920: Mini Laser Photo Tachometer Counter"},"content":{"rendered":"<p><strong>SPECIFICATIONS EXTECH 461920: MINI LASER PHOTO TACHOMETER COUNTER<\/strong><\/p>\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">Time base: Quartz crystal<br \/>\nDisplay: 5 digit LCD display<br \/>\nLaser light source: Class 2 laser &lt; 1mW power; Wavelength is 630 to 670nm<br \/>\nDetecting Distance: 2 to 20&#8243;(50 to 500mm)<br \/>\nSampling Time: 0.5sec (over 120 rpm)<br \/>\nTachometer accuracy: \u00b1 (0.05% reading + 1digit)<br \/>\nMemory Extech 461920: Last reading and MIN\/MAX readings<br \/>\nOperating Conditions: 32\u00b0F to 122\u00b0F (0\u00b0C to 50\u00b0C);RH 80% Max<br \/>\nPower Supply: Internal 9V battery or external AC Adaptor (6 to 9VDC) (Part# UA100-240)<br \/>\nPower Consumption: 45mA DC approx.<br \/>\nWeight: 5.3oz. (151g)<br \/>\nSize: 6.3&#215;2.3&#215;1.6&#8243; (160x58x39 mm)<br \/>\nParts: Reflective Tape Part # 461937<\/p>\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<ul>\n<li>Range Specifications Extech 461920<\/li>\n<\/ul>\n<\/div>\n<div>\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<div class=\"page\" title=\"Page 4\">\n<div class=\"layoutArea\">\n<div class=\"column\">\u2014\u00a0Photo Tachometer<br \/>\nRange: 2 to 99,999 rpm<br \/>\nResolution: 0.1 rpm (&lt;1000rpm); 1 rpm (&gt;1000 rpm)<br \/>\nAccuracy (%reading): \u00b1 (0.05% + 1d)<br \/>\n\u2014\u00a0Counter<br \/>\nRange: 1 to 99,999 REV<br \/>\nResolution: 1 count<br \/>\nAccuracy (%reading): \u00b1 1 count<\/p>\n<h2><strong>Introduction Extech 461920<\/strong><\/h2>\n<h3>Laser Light Source used for greater accuracy and longer measuring distance<\/h3>\n<p>Extech&#8217;s 461920 is a tachometer for RPM measurements. Make safe, non-contact RPM measurements (2 to 99,999 RPM) of rotating objects by pointing the integral laser (1.6-ft. target distance) at the reflective tape placed on the object to be measured. Complete with 9-Volt battery, reflective tape and user manual.<\/p>\n<h2><strong>Features\u00a0<\/strong><strong>Extech 461920<\/strong><\/h2>\n<div class=\"page\" title=\"Page 1\">\n<div class=\"section\">\n<div class=\"layoutArea\">\n<div class=\"column\">&#8211; Make non-contact <a href=\"https:\/\/techmaster.com.vn\/en\/extech-461950-panel-mount-tachometer\/\">RPM measurements<\/a> of rotating objects<br \/>\n&#8211; Use reflective tape on object to be measured\u00a0and point the integral laser<br \/>\n&#8211; Memory button holds last reading and recalls min\/max readings<br \/>\n&#8211; Counter function counts up to 99,999 revolutions<br \/>\n&#8211; Easy to read large 5 digit LCD display<br \/>\n&#8211; Rugged double molded housing for better grip<br \/>\n&#8211; Complete with 9V battery and reflective tape<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<h2><strong>Key Features<\/strong><\/h2>\n<ul id=\"features\">\n<li>Make non-contact RPM measurements of rotating objects<\/li>\n<li>Use reflective tape on object to be measured and point the integral laser<\/li>\n<li>Large 5 digit LCD display with backlighting<\/li>\n<li>Memory button for Last\/MAX\/MIN readings<\/li>\n<li>Counter function counts up to 99,999 revolutions<\/li>\n<\/ul>\n","protected":false},"featured_media":5894,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[260,621],"product_tag":[],"class_list":{"0":"post-22994","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-measuring-instruments","7":"product_cat-tachometer","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Extech 461920: Mini Laser Photo Tachometer Counter - Techmaster Electronics JSC<\/title>\n<meta name=\"description\" content=\"The Extech 461920 is a tachometer for RPM measurements. 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