{"id":165,"date":"2011-08-12T06:03:55","date_gmt":"2011-08-12T06:03:55","guid":{"rendered":"https:\/\/www.laserdyne.com.au\/?page_id=165"},"modified":"2022-06-29T09:11:25","modified_gmt":"2022-06-28T23:11:25","slug":"l-gm20","status":"publish","type":"page","link":"https:\/\/www.laserdyne.com.au\/rangepro\/l-gm20\/","title":{"rendered":"RangePRO L-GM20 Laser Rangefinder Module"},"content":{"rendered":"<div id=\"acronym2\">L-GM20: Laser rangefinder &#8211; General Module to 20 Hz rep. rate<\/div>\n<p>&nbsp;<\/p>\n<div id=\"productpic\"><!-- end #productpic --><a href=\"https:\/\/www.laserdyne.com.au\/wp-content\/uploads\/L-GM20-product1.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1587\" src=\"https:\/\/www.laserdyne.com.au\/wp-content\/uploads\/L-GM20-product1-300x228.jpg\" alt=\"L-GM20-product\" width=\"300\" height=\"228\" srcset=\"https:\/\/www.laserdyne.com.au\/wp-content\/uploads\/L-GM20-product1-300x228.jpg 300w, https:\/\/www.laserdyne.com.au\/wp-content\/uploads\/L-GM20-product1.jpg 341w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/div>\n<div id=\"dimensions\" class=\"specslist\">\n<h2>Dimensions<\/h2>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Length<\/td>\n<td>315mm<\/td>\n<\/tr>\n<tr>\n<td>Width<\/td>\n<td>301mm<\/td>\n<\/tr>\n<tr>\n<td>Height<\/td>\n<td>245.9mm<\/td>\n<\/tr>\n<tr>\n<td>Mass<\/td>\n<td>9.8kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"lefthalf\">\n<div class=\"specslist\">\n<h2>Suitability<\/h2>\n<ul>\n<li>OEM module for integration into sensing, surveillance, tracking &amp; weapons stations:<\/li>\n<li>for ground mobile and fixed installation applications;<\/li>\n<li>designed to withstand vibration, shock, and extended temperature operation, EM shielded.<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Rangefinding<\/h2>\n<h3>Read-out limits (factory selectable)<\/h3>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Minimum<\/td>\n<td class=\"tdright\">200<\/td>\n<\/tr>\n<tr>\n<td>Maximum<\/td>\n<td class=\"tdright\">30,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Performance<span class=\"notemark\">*<\/span><\/h3>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Small Craft (2.3&#215;2.3)<span class=\"notemark\">**<\/span><\/td>\n<td class=\"tdright\">&gt; 12,000<\/td>\n<\/tr>\n<tr>\n<td>Large Craft (20x20m)<span class=\"notemark\">**<\/span><\/td>\n<td class=\"tdright\">&gt; 25,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"notebody\">*Standard Clear atmosphere; Extinction Coefficient 0.0448 @ 1,570nm (Modtran 3 V1.5; tropical atmosphere, maritime aerosols, Jan.); sea level visibility = 23.5km.<\/div>\n<div class=\"notebody\">**Target albedo = 0.3 @ 1,570nm.<\/div>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Sealing<\/h2>\n<ul>\n<li>Hermetic<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Laser Safety<\/h2>\n<ul>\n<li>Class 1M <span class=\"notemark\">***<\/span><\/li>\n<\/ul>\n<div class=\"notebody\">***AS\/NZS IEC60825. 2011.<\/div>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div><a title=\"right-click to save, left-click to open\" href=\"\/wp-content\/uploads\/SD-RP-S-1466-B_1.pdf\" target=\"_blank\" rel=\"noopener\">Download print-friendly version of this page<\/a><\/div>\n<div><a title=\"right-click to save, left-click to open\" href=\"\/wp-content\/uploads\/PS-RP-S-1468-B_1.pdf\" target=\"_blank\" rel=\"noopener\">Download Product Specification<\/a><\/div>\n<div><a href=\"https:\/\/www.laserdyne.com.au\/library\/#rangepro\" target=\"main\" rel=\"noopener\">Go to Library (all documents for this model)<\/a><\/div>\n<p><!-- end .linkset -->\n<\/div>\n<div class=\"righthalf\">\n<div class=\"specslist\">\n<h2>Transmitter<\/h2>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Laser type<\/td>\n<td>diode pumped Nd:YAG\/OPO<\/td>\n<\/tr>\n<tr>\n<td>Wavelength<\/td>\n<td>1,570 nm<\/td>\n<\/tr>\n<tr>\n<td>Output<\/td>\n<td>nominally 8mJ\u00a0 [to Class 1M limit]<\/td>\n<\/tr>\n<tr>\n<td>Ranging rate<\/td>\n<td>10Hz typical, up to 20Hz (with duty cycle)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Detector<\/h2>\n<ul>\n<li>InGaAs with time variant gain<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Range Determination<\/h2>\n<ul>\n<li>Signals from the detector are digitally sampled and examined to determine all potential real target returns. An adaptive range threshold compensates for changing noise levels, maximising system capability under varying conditions.<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Power<\/h2>\n<ul>\n<li>12 to 32Vdc input<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Comms<\/h2>\n<ul>\n<li>RS-422 19,200 Baud<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Mounting<\/h2>\n<ul>\n<li>V-block type<\/li>\n<\/ul>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Reference Laser<\/h2>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Laser Type<\/td>\n<td>laser diode<\/td>\n<\/tr>\n<tr>\n<td>Wavelength<\/td>\n<td>635nm<\/td>\n<\/tr>\n<tr>\n<td>Output<\/td>\n<td>&lt; 0.5mW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<div class=\"specslist\">\n<h2>Options<\/h2>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Detector<\/td>\n<td>APD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- end .specslist --><\/p>\n<\/div>\n<p><!-- end .righthalf --><\/p>\n<\/div>\n<div class=\"clear\">Return to <a href=\"https:\/\/www.laserdyne.com.au\/rangepro\/models\/\">RangePRO Laser Rangefinder Model Overview<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>L-GM20: Laser rangefinder &#8211; General Module to 20 Hz rep. rate &nbsp; Dimensions Length 315mm Width 301mm Height 245.9mm Mass 9.8kg Suitability OEM module for integration into sensing, surveillance, tracking &amp; weapons stations: for ground mobile and fixed installation applications; designed to withstand vibration, shock, and extended temperature operation, EM shielded. Rangefinding Read-out limits (factory [&hellip;]<\/p>\n","protected":false},"author":431,"featured_media":0,"parent":10,"menu_order":13,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/pages\/165"}],"collection":[{"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/users\/431"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/comments?post=165"}],"version-history":[{"count":1,"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/pages\/165\/revisions"}],"predecessor-version":[{"id":2755,"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/pages\/165\/revisions\/2755"}],"up":[{"embeddable":true,"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/pages\/10"}],"wp:attachment":[{"href":"https:\/\/www.laserdyne.com.au\/wp-json\/wp\/v2\/media?parent=165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}