{"id":1161,"date":"2026-05-26T11:48:30","date_gmt":"2026-05-26T03:48:30","guid":{"rendered":"https:\/\/stalaser.com\/?post_type=product&p=1161"},"modified":"2026-06-11T17:08:56","modified_gmt":"2026-06-11T09:08:56","slug":"3km-laser-rangefinder-module","status":"publish","type":"product","link":"https:\/\/stalaser.com\/zh\/product\/3km-laser-rangefinder-module\/","title":{"rendered":"3km Laser Rangefinder Module"},"content":{"rendered":"

Technical parameters are shown in the following table:<\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/td>\nSTA-LRM30X<\/td>\n<\/tr>\n
Laser wavelength<\/td>\n905nm<\/td>\n<\/tr>\n
Laser Receiving Aperture<\/td>\n28(L)x23.6(W)mm Aspherical lens<\/td>\n<\/tr>\n
Laser Emission aperture<\/td>\n20(L)x14.6(W)mm Aspherical lens<\/td>\n<\/tr>\n
Ranging capability<\/td>\nWhite\u00a0Building<\/td>\n\u22653500m<\/td>\n<\/tr>\n
Trees<\/td>\n\u22652500m<\/td>\n<\/tr>\n
Laser grade<\/td>\nClass 1 Eye safety<\/td>\n<\/tr>\n
Mini range<\/td>\n5m<\/td>\n<\/tr>\n
Ranging accuracy<\/td>\n\u00b11m<\/td>\n<\/tr>\n
Resolution<\/td>\n\u00b10.1m<\/td>\n<\/tr>\n
Operating Current<\/td>\n\u2264180mA<\/td>\n<\/tr>\n
Standby current<\/td>\n\u226435mA<\/td>\n<\/tr>\n
Power consumption<\/td>\nStandby\u22640.2W<\/td>\n<\/tr>\n
Peak\u22640.6W<\/td>\n<\/tr>\n
Communication Interface<\/td>\nTTL\u00a0\u00a0\/ RS232 \/ RS485<\/td>\n<\/tr>\n
Operating Temperature<\/td>\n\u00b7-20\u2103~+55\u2103<\/td>\n<\/tr>\n
Storage Temperature<\/td>\n\u00b7-30\u2103~+60\u2103<\/td>\n<\/tr>\n
Input Voltage<\/td>\n3.3-5V<\/td>\n<\/tr>\n
Beam divergence angle<\/td>\n6\u00a0mard<\/td>\n<\/tr>\n
Ranging Frequency<\/td>\n1Hz<\/td>\n<\/tr>\n
Power<\/td>\n\u22641 mW Safe for human eyes<\/td>\n<\/tr>\n
Ranging method<\/td>\nPulse<\/td>\n<\/tr>\n
Weight<\/td>\n38 \u00b10.5g<\/td>\n<\/tr>\n
Size<\/td>\n62.05x37x47mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Application Scenarios:<\/b><\/strong><\/p>\n

    \n
  1. Handheld Thermal Imaging \/ Night Vision Devices (Primary Application)<\/li>\n<\/ol>\n

    – Security patrol \/ law enforcement: Handheld thermal imager with laser ranging, quickly determines target distance at night or in fog; suitable for security, border control, anti-smuggling, and forest fire prevention.<\/p>\n

    – Outdoor adventure \/ hunting \/ bird watching: Night vision \/ infrared telescope with integrated ranging for safe distance measurement, terrain evaluation, and target positioning.<\/p>\n

    – Geology \/ forestry \/ scientific research: Long-distance point measurement in field environments.<\/p>\n

      \n
    1. Miniature UAV Electro-Optical Pods (Core Integration)<\/li>\n<\/ol>\n

      – UAV inspection: Distance measurement for power lines, towers, tree barriers; oil and gas pipeline inspection; bridge and dam detection.<\/p>\n

      – Security \/ border surveillance UAVs: Day and night monitoring, target ranging, border patrol, maritime and island monitoring.<\/p>\n

        \n
      1. Portable Observation \/ Reconnaissance Equipment<\/li>\n<\/ol>\n

        – Individual soldier \/ tactical equipment: Handheld rangefinder telescopes, portable electro-optical reconnaissance instruments, target positioning.<\/p>\n

          \n
        1. Security Monitoring & Industrial Monitoring<\/li>\n<\/ol>\n

          – Long-range PTZ \/ thermal imaging monitoring: Perimeter security, key area surveillance, target ranging with linked alarm.<\/p>\n

          M30X LRF Module interface description<\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          \"\"<\/td>\n<\/tr>\n
          Pin No.<\/td>\nFunction description<\/td>\n<\/tr>\n
          1<\/td>\n\u00a0RS232-Tx<\/td>\n<\/tr>\n
          2<\/td>\n\u00a0RS232-Rx<\/td>\n<\/tr>\n
          3<\/td>\n\u00a0Power supply\uff1aDC\uff083.0V – 5.0V\uff09<\/td>\n<\/tr>\n
          4<\/td>\n\u00a0TxEN: When serial port starts to send data frame, TxEN signal is high; After one frame data transmission
          \nis over,TxEN signal is low. TxEN Signal can be used to switch from emission to reception as half
          \nduplex, such as RS485.<\/td>\n<\/tr>\n
          5<\/td>\n\u00a0GND<\/td>\n<\/tr>\n
          6<\/td>\n\u00a0UART-RxD\uff08TTL: Voltage is programmable\uff1a3.0V – 5.0V\uff09\uff1b<\/td>\n<\/tr>\n
          7<\/td>\n\u00a0UART-TxD\uff08TTL: Voltage is programmable\uff1a3.0V – 5.0V)\uff1b<\/td>\n<\/tr>\n
          \u00a0\u00a0Note:
          \n1. This module has 2 communication serial output, RS232 & TTL. Each can be used by different pin
          \nouts, but can’t be used at the same time.
          \n2. UART Setting: 10 bits are transmitted or received; one start bit, 8 data bits (LSB first), one stop bit,
          \nnon-parity<\/td>\n<\/tr>\n
          Electrical Characteristics<\/td>\n<\/tr>\n
          Parameter<\/td>\nTest condition<\/td>\nMin<\/td>\nMax<\/td>\nUnits<\/td>\n<\/tr>\n
          Vin<\/td>\nT=25\u00b0C<\/td>\n2.5<\/td>\n5.0<\/td>\nV<\/td>\n<\/tr>\n
          Icc<\/td>\nStandby
          \n(T=25\u00b0C, Vin=3.0V)<\/td>\n          		–<\/td>\n50.0<\/td>\nmA<\/td>\n<\/tr>\n
          Ranging
          \n(T=25\u00b0C, Vin=3.0V)<\/td>\n          		–<\/td>\n150.0<\/td>\nmA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"
          \n
          \n

          Range performance maximum<\/p>\n

          3500 m<\/p>\n<\/div>\n

          \n

          Typical accuracy<\/p>\n

          \u00b11 m<\/p>\n<\/div>\n

          \n

          Weight<\/p>\n

          38 \u00b1 0.5 g<\/p>\n<\/div>\n<\/div>","protected":false},"featured_media":1162,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[27],"product_tag":[],"class_list":["post-1161","product","type-product","status-publish","has-post-thumbnail","product_cat-905nm-10m-3km-lrf-module","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product\/1161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/comments?post=1161"}],"version-history":[{"count":3,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product\/1161\/revisions"}],"predecessor-version":[{"id":1513,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product\/1161\/revisions\/1513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/media\/1162"}],"wp:attachment":[{"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/media?parent=1161"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product_brand?post=1161"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product_cat?post=1161"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stalaser.com\/zh\/wp-json\/wp\/v2\/product_tag?post=1161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}