{"id":11121,"date":"2026-07-05T23:05:37","date_gmt":"2026-07-06T06:05:37","guid":{"rendered":"https:\/\/sunflaser.com\/?p=11121"},"modified":"2026-07-05T23:05:38","modified_gmt":"2026-07-06T06:05:38","slug":"sfa1200aj-905nm-single-pulse-tof-1200m-industrial-grade-laser-ranging-module","status":"publish","type":"post","link":"https:\/\/sunflaser.com\/fr\/sfa1200aj-905nm-single-pulse-tof-1200m-industrial-grade-laser-ranging-module\/","title":{"rendered":"SFA1200AJ \u2013 Module de t\u00e9l\u00e9m\u00e9trie laser de qualit\u00e9 industrielle \u00e0 impulsion unique de 905 nm, TOF 1 200 m"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>To begin with, the SFA1200AJ adopts 905nm semiconductor pulse laser technology and operates on single-pulse TOF (Time-of-Flight) ranging principles. As a result, it delivers stable full-scale ranging from 5m to 1200m. Furthermore, it combines Class 1 eye safety, a lightweight compact design, industrial\u2011grade reliability, and low power consumption for extended battery life. Consequently, it provides a professional solution for UAV aerial surveying, security perimeter warning, industrial automation monitoring, vehicle\u2011mounted optoelectronic devices, and other medium\u2011to\u2011long range high\u2011reliability applications.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-i-single-pulse-tof-the-preferred-technology-for-medium-to-long-range-high-reliability-applications\" class=\"wp-block-heading\"><strong>I. Single-Pulse TOF: The Preferred Technology for Medium\u2011to\u2011Long Range High\u2011Reliability Applications<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>To begin with, the SFA1200AJ leverages the proven single\u2011pulse TOF laser ranging principle. Additionally, it integrates an opto\u2011mechanical\u2011electronic compact design with high\u2011sensitivity APD detection technology. As a result, it offers clear advantages over traditional ranging solutions in medium\u2011to\u2011long range industrial scenarios:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>First and foremost,<\/strong>\u00a0it delivers 1200m long range \u2013 achieving stable coverage on 70% reflective building targets and reaching up to 1500m on high\u2011reflectivity targets.<\/li>\n\n\n\n<li><strong>Additionally,<\/strong>\u00a0it emits 905nm near\u2011infrared invisible light, achieves Class 1 eye\u2011safe certification (IEC 60825\u20111), and maintains an average laser power of 8.23mW \u2013 therefore imposing no usage restrictions in open civilian environments.<\/li>\n\n\n\n<li><strong>Moreover,<\/strong>\u00a0it offers IP67 dustproof and waterproof protection \u2013 ensuring reliable long\u2011term operation in rain, dust, humidity, and other harsh outdoor conditions.<\/li>\n\n\n\n<li><strong>Furthermore,<\/strong>\u00a0it provides excellent mechanical shock resistance \u2013 withstanding 1000g\/ms shock (10 times\/s along the optical axis) and 2.5g wide\u2011frequency vibration, making it suitable for vehicle\u2011mounted and airborne applications.<\/li>\n\n\n\n<li><strong>In addition,<\/strong>\u00a0it operates across a wide temperature range \u2013 remaining stable from \u201120\u00b0C to +60\u00b0C, and storing from \u201125\u00b0C to +75\u00b0C, thereby covering diverse climatic conditions.<\/li>\n\n\n\n<li><strong>Notably,<\/strong>\u00a0it features a low false\u2011alarm design \u2013 incorporating a built\u2011in intelligent anti\u2011interference algorithm that achieves hit rate \u226598% and false\u2011alarm rate \u22641%, thus avoiding false triggers in complex environments.<\/li>\n\n\n\n<li><strong>Finally,<\/strong>\u00a0it supports flexible measurement modes \u2013 offering single\u2011shot and continuous ranging with customisable intervals to suit various testing needs.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-ii-core-performance-specifications\" class=\"wp-block-heading\"><strong>II. Core Performance Specifications<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>To begin with, the SFA1200AJ achieves a ranging capability of 1200m (at 70% reflective building target, visibility \u22656km) and a minimum range of 5m (at 90% reflective whiteboard). Furthermore, it delivers ranging accuracy of \u00b10.7m for distances \u2264100m, and \u00b1(0.7 + 0.004\u00d7d) m for distances &gt;100m. Additionally, it offers a measurement frequency of 3Hz for continuous measurement of the same target, and 2Hz when switching between different targets. Moreover, it maintains a hit rate of \u226598%, with a false\u2011alarm rate of \u22641%.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In terms of physical design, the module features a cylindrical integrated form factor with dimensions of \u03a623mm \u00d7 40mm and a weight of 22 \u00b1 0.5g. Consequently, it is easy to install and integrate into various optoelectronic devices.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regarding environmental adaptability, the module operates from \u201120\u00b0C to +60\u00b0C and stores from \u201125\u00b0C to +75\u00b0C. Its MTBF is \u22651500 hours, ensuring long\u2011term stable operation.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>For power requirements, we specify the supply voltage as DC 3.3V \u00b1 0.1V. Standby power consumption is \u2264400mW (Power on low) and \u22641mW (Power on high, deep sleep). Operating power is \u22641.3W at \u201120\u00b0C, \u22641.5W at 25\u00b0C, and \u22641.8W at 70\u00b0C \u2013 consequently, this low power consumption extends battery life of portable devices.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Furthermore, the module supports single\u2011shot and continuous ranging mode switching, LD continuous\u2011on calibration mode, power\u2011on self\u2011test, and abnormal status reporting. For communication, we equip it with a standard UART (TTL_3.3V) serial interface, with a default baud rate of 115200bps, adjustable across 9600\u2013230400bps. Moreover, we provide a complete communication protocol and dedicated PC\u2011based testing software, enabling low\u2011threshold secondary development.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(Data based on standard conditions: line\u2011of\u2011sight, visibility \u22656km, relative humidity \u226470%, target reflectivity \u22650.7. Lower reflectivity or adverse environmental conditions may reduce effective range.)<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-iii-comprehensive-application-coverage\" class=\"wp-block-heading\"><strong>III. Comprehensive Application Coverage<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>UAV Aerial Surveying &amp; Obstacle Avoidance:<\/strong>\u00a0To begin with, the module serves surveying UAVs, inspection UAVs, and agricultural UAVs. Its 1200m range covers large operational areas, and its lightweight design adds minimal flight load.<\/li>\n\n\n\n<li><strong>Security Perimeter Warning:<\/strong>\u00a0Secondly, it supports campus perimeters, border security, and critical facility protection \u2013 enabling long\u2011range intrusion detection with precise trigger alarms.<\/li>\n\n\n\n<li><strong>Industrial Automation Monitoring:<\/strong>\u00a0Thirdly, it facilitates level measurement, object positioning, and production line collision avoidance. Its stable and reliable operation improves production efficiency.<\/li>\n\n\n\n<li><strong>Vehicle\u2011Mounted Optoelectronic Devices:<\/strong>\u00a0Fourthly, it integrates into unmanned vehicles, patrol vehicles, and special\u2011purpose vehicles \u2013 providing real\u2011time ranging and target tracking while adapting to vehicle vibration environments.<\/li>\n\n\n\n<li><strong>Handheld Measurement Devices:<\/strong>\u00a0Additionally, it serves long\u2011range laser rangefinders, telescope integration, and outdoor exploration gear \u2013 offering lightweight portability with extended battery life.<\/li>\n\n\n\n<li><strong>Engineering Surveying &amp; Mapping:<\/strong>\u00a0Furthermore, it supports terrain mapping, construction surveying, and geological exploration. Its high\u2011precision data output ensures project quality.<\/li>\n\n\n\n<li><strong>Law Enforcement &amp; Emergency Rescue:<\/strong>\u00a0Finally, it assists in crime scene investigation, distance measurement, and rescue positioning \u2013 enabling rapid response and improving operational efficiency.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-iv-usage-guidelines\" class=\"wp-block-heading\"><strong>IV. Usage Guidelines<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Safety:<\/strong>&nbsp;To begin with, this product is a Class 1 eye\u2011safe laser. However, we advise avoiding prolonged direct viewing of the laser aperture to prevent potential eye strain. Furthermore, the spot calibration mode is for developer use only; do not point the laser at human eyes during this mode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ESD protection:<\/strong>&nbsp;Additionally, we require proper electrostatic discharge precautions. Do not touch any electronic components without appropriate protective measures. Never connect or disconnect cables while the module is powered on. Moreover, ensure correct power polarity and that the voltage remains within 3.3V \u00b1 0.1V; failure to do so may cause irreparable damage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Optical window care:<\/strong>&nbsp;Furthermore, keep the optical lens clean. Use a blower to remove dust particles. For fingerprints, gently wipe with a cotton swab dipped in a small amount of alcohol\u2011ether mixture, then clean with a lens cloth. Do not touch the optical surface directly with fingers. For the optical window, we recommend using H\u2011K9L optical glass coated with an 855nm\u2013955nm anti\u2011reflection coating (transmittance \u226599.5%).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Environmental precautions:<\/strong>&nbsp;In addition, we advise avoiding prolonged use in high\u2011temperature, high\u2011humidity, highly corrosive, or strong electromagnetic interference environments. Furthermore, protect the module from rapid temperature changes or strong mechanical shocks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Modification &amp; cabling:<\/strong>&nbsp;Moreover, do not disassemble, modify, or alter the module, as this will void the warranty. Use the original 6\u2011pin communication cable provided. If using a custom cable, confirm correct pin assignments to prevent TX\/RX reversal, which may cause communication errors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Startup &amp; power management:<\/strong>&nbsp;Finally, allow approximately 500ms after power\u2011on for system initialisation. Pull the enable pin low before sending ranging commands. To exit deep sleep mode, pull the enable pin high; the wake\u2011up response time is \u226410ms.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-closing-remarks\" class=\"wp-block-heading\"><strong>Closing Remarks<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In conclusion, the SFA1200AJ combines 1200m long range, 22g lightweight design, IP67 full protection, industrial\u2011grade durability, and low power consumption. Therefore, it serves as an ideal high\u2011performance ranging component for a wide range of medium\u2011to\u2011long range industrial measurement and embedded integration needs. From UAVs and security systems to industrial automation and vehicle\u2011mounted optoelectronics, the SFA1200AJ empowers smart sensing to reach farther, operate more stably, and deliver greater reliability.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>To begin with, the SFA1200AJ adopts 905nm semiconductor pulse laser technology and operates on single-pulse TOF (Time-of-Flight) ranging principles. As a result, it delivers stable full-scale ranging from 5m to 1200m. Furthermore, it combines Class 1 eye safety, a lightweight compact design, industrial\u2011grade reliability, and low power consumption for extended battery life. Consequently, it provides [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11122,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[875,881,879,882,873,880],"class_list":["post-11121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunflaser-news","tag-1200mlongrange","tag-22glightweight","tag-905nmsinglepulsetof","tag-industrialranging","tag-ip67protection","tag-sfa1200aj"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>SFA1200AJ \u2013 905nm Single\u2011Pulse TOF 1200m Industrial\u2011Grade Laser Ranging Module - SunFlaser Tech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sunflaser.com\/fr\/sfa1200aj-905nm-single-pulse-tof-1200m-industrial-grade-laser-ranging-module\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SFA1200AJ \u2013 905nm Single\u2011Pulse TOF 1200m Industrial\u2011Grade Laser Ranging Module\" \/>\n<meta property=\"og:description\" content=\"To begin with, the SFA1200AJ adopts 905nm semiconductor pulse laser technology and operates on single-pulse TOF (Time-of-Flight) ranging principles. As a result, it delivers stable full-scale ranging from 5m to 1200m. Furthermore, it combines Class 1 eye safety, a lightweight compact design, industrial\u2011grade reliability, and low power consumption for extended battery life. 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