{"title":"Survey \/ Monitoring Prisms","description":"","products":[{"product_id":"gmp104-mini-prism","title":"L-bar 25mm Monitoring Prism w\/Waterproof Ring - MP102","description":"\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003ci\u003eL Bar Prism\u003c\/i\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eHigh-Quality Anodized Aluminum Body W\/Waterproof Ring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47423860113638,"sku":null,"price":60.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Lbarqw.png?v=1778998183"},{"product_id":"mp211-rod-monitoring-prism","title":"Road Monitoring Prism - RMP01","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eTwo Model Options: RMP01 (single-side)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eDurable Metal Body\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eOptimized for AMTS\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eLow-Profile Design\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eHigh\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eRMP01 Metal Road Prism Product Introduction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe RMP01 metal road prism is a high-precision mini prism for road monitoring, engineered for long-term structural observation and stability measurement in critical infrastructure. Designed to integrate seamlessly with Automated Motorized Total Station (AMTS) systems, the RMP01 rod monitoring prism provides consistent accuracy and dependable performance for projects involving roads, pavements, tunnels, and buildings.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis mini prism for road monitoring offers flexible installation options to suit various site conditions. Constructed with a precision-cast aluminum housing, the RMP01 rod monitoring prism ensures exceptional durability, corrosion resistance, and long-term reliability even under harsh environmental exposure.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Rod_Prism_Front.png?v=1775576534\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWith its compact profile and 10° inclination, this mini prism for road monitoring allows low-visibility installation without interfering with road traffic, while maintaining perfect alignment for AMTS systems. The RMP01 rod monitoring, prism delivers precise deformation data, supporting accurate road and structure monitoring across extended operational periods.\u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47518648893670,"sku":null,"price":50.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/rod.png?v=1778996270"},{"product_id":"z14u-prism-assembly","title":"Prism Assembly Blk\/Yellow w\/case - PA14","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eFeatures a selectable prism offset of Omm or -30mm and a tilting axis height of 100mm for versatile setup and accurate targeting.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eComplete Portability: Includes a durable carrying bag for superior protection and easy transport of the unit between job sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003ePA14 Prism Assembly.| High-Precision 64mm Prism for Professional Surveying\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe PA14 Prism Assemblyis a high-performance surveying accessory designed for professionals who require unwavering accuracy and robust construction. This assembly is offered in two distinct color-coded models to streamline field identification and workflow. PA14 Prism Assembly, you are guaranteed a tool built to the highest standards.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-11_at_11.42.20_PM.png?v=1775965347\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEngineered with a precision 64mm prism, this assembly is capable of handling the most demanding measurement tasks, providing reliable data across various topographic and construction sites. Its durable design ensures long-term performance, making it a dependable choice for daily use.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-11_at_11.42.55_PM.png?v=1775965381\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47533075661030,"sku":null,"price":120.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/FiberGlassTripod_8.png?v=1778996614"},{"product_id":"z14ub-prism-assembly","title":"Prism Assembly w\/ case Blk\/Yellow - PA15","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eVersatile Positioning: Supports both 0mm and - 30mm offsets and is supplied with a 100mm tilting axis height for flexible and precise setup in various scenarios.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eComplete Field Ready: Packaged with a convenient carrying case for immediate deployment and reliable protection during transport and storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eAll-Metal Single Tilt Prism | Durable 64mm Assembly for Precision Surveying\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe PA15 Prism Assembly. stands as a robust, all-metal solution in the world of precision surveying. This high-quality All-Metal Single Tilt Prism is engineered for durability and accuracy, featuring a Japanese-style design built to withstand rigorous field use. It is available in two distinct color-coded models for optimal team coordination and easy identification\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis PA15 Prism Assembly is guaranteed a consistent and reliable performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-11_at_11.56.27_PM.png?v=1775966196\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDesigned around a precision 64mm prism, this assembly delivers the exceptional optical performance required for critical measurement tasks, making it an indispensable tool for construction, engineering, and topographic surveys\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47533090832614,"sku":null,"price":120.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/prism3.png?v=1778996573"},{"product_id":"gpr111-red-single-prism-assembly","title":"Prism Assembly - Compatible to Leica GPR111","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eAvailable with a standard copper-coated prism or an optional high-efficiency double copper-coated prism with a blue coating for superior signal return.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eIncludes a protective carry case for convenient and safe storage and transportation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eMeet the Circular Prism with Holder, a premium Swiss-style prism assembly designed for surveyors who require reliable performance and straightforward functionality. This robust Red Single Prism Assembly delivers the accuracy and durability needed for everyday surveying tasks, making it a dependable choice for various projects.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-12_at_12.00.32_AM.png?v=1775966440\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe prism is securely mounted in a resilient nylon holder, providing excellent protection against impacts and rough handling while keeping the assembly light.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDesigned with a constant 0mm offset (Swiss offset), simplifying setup and ensuring consistent measurement reference points.\u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47533091061990,"sku":null,"price":110.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/gpr.png?v=1778996354"},{"product_id":"prism-assembly-w-case-blk-yellow-copy","title":"Prism Assembly Blk\/Orange w\/ case - PA15","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eVersatile Positioning: Supports both 0mm and - 30mm offsets and is supplied with a 100mm tilting axis height for flexible and precise setup in various scenarios.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eComplete Field Ready: Packaged with a convenient carrying case for immediate deployment and reliable protection during transport and storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eAll-Metal Single Tilt Prism | Durable 64mm Assembly for Precision Surveying\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Prism Assembly. stands as a robust, all-metal solution in the world of precision surveying. This high-quality All-Metal Single Tilt Prism is engineered for durability and accuracy, featuring a Japanese-style design built to withstand rigorous field use. It is available in two distinct color-coded models for optimal team coordination and easy identification\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis Prism Assembly is guaranteed a consistent and reliable performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-11_at_11.56.27_PM.png?v=1775966196\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDesigned around a precision 64mm prism, this assembly delivers the exceptional optical performance required for critical measurement tasks, making it an indispensable tool for construction, engineering, and topographic surveys\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47539466797286,"sku":null,"price":120.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/prism2.png?v=1778996521"},{"product_id":"prism-assembly-blk-orange-w-case-pa14","title":"Prism Assembly Blk\/Orange w\/case - PA14","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eFeatures a selectable prism offset of Omm or -30mm and a tilting axis height of 100mm for versatile setup and accurate targeting.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eComplete Portability: Includes a durable carrying bag for superior protection and easy transport of the unit between job sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003ePA14 Prism Assembly.| High-Precision 64mm Prism for Professional Surveying\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe PA14 Prism Assemblyis a high-performance surveying accessory designed for professionals who require unwavering accuracy and robust construction. This assembly is offered in two distinct color-coded models to streamline field identification and workflow. PA14 Prism Assembly, you are guaranteed a tool built to the highest standards.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-11_at_11.42.20_PM.png?v=1775965347\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEngineered with a precision 64mm prism, this assembly is capable of handling the most demanding measurement tasks, providing reliable data across various topographic and construction sites. Its durable design ensures long-term performance, making it a dependable choice for daily use.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/Screenshot_2026-04-11_at_11.42.55_PM.png?v=1775965381\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47539489767654,"sku":null,"price":120.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/prism1.png?v=1778996436"},{"product_id":"360-prism-metal-design","title":"360° PRISM， Metal Design","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eSix silver-coated prisms for powerful and uniform reflection\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eAnti-collision ring for enhanced protection in field conditions\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eAvailable in plastic, metal, and nylon designs to fit different surveying needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/34.png?v=1778992242\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe 360 PRISM represents the next level of precision and durability in modern surveying. Designed as a 360° Prism with Protective Prism, this Japanese-style prism system delivers exceptional centring accuracy and stability for high-performance fieldwork. Its six silver-coated prisms provide strong signal reflection from every direction,\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eensuring reliable measurement results in demanding environments.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe 360 PRISM features a durable anti-collision ring, which enhances protection during daily operation and transport. Built with flexibility in mind, this 360° Prism with a - 7 mm prism constant, +1.5 mm centring accuracy, and 5\/8\" thread on both ends, the ATP1 360 PRISM ensures quick setup, excellent compatibility, and consistent precision. Each 360° Prism with Protective Prism comes with a soft carrying bag and inner box for safe storage.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47685371920614,"sku":null,"price":980.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/PoleTip_7b50d422-f2e9-44e1-983e-60dff41db736.png?v=1778992405"},{"product_id":"swiss-style-360-prism-light-weight-plastic","title":"Swiss Style 360° Prism, Light Weight Plastic Design","description":"\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eSwiss Style 360° Prism with 6 integrated mini prisms for full coverage\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eQuick-release push button for fast and secure mounting\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eNo central stainless-steel axis, ensuring lightweight, compact form\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThe 360° Reflector represents a highly accurate and durable Swiss Style 360° Prism solution designed for total station applications requiring precise, all-directional measurements. Built with professional surveyors in mind, the 360° Reflector ensures consistent target recognition and efficient data capture from any angle.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis Swiss Style 360° Prism features a robust six-prism assembly, seamlessly glued together to provide complete 360° coverage. It delivers a +23.1 mm Swiss constant, ensuring compatibility with Swiss-style instruments, and guarantees center accuracy within +2.0 mm for dependable performance in the field.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/42.png?v=1778993676\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEach Swiss Style 360° Prism is equipped with a quick-release push-button connector, enabling fast attachment and removal on poles or tribrach adapters. The compact, axis-free design further enhances portability and reliability during use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fourth Meridian Geo Supply","offers":[{"title":"Default Title","offer_id":47685376049382,"sku":null,"price":980.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/files\/PoleTip_5f0eec46-8135-41af-aad3-c65a656d2c81.png?v=1778993780"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/2321\/7638\/collections\/GPR121-1-600x600.webp?v=1772748812","url":"https:\/\/www.fmgs.ca\/collections\/prism-assembly.oembed","provider":"Fourth Meridian Geo Supply","version":"1.0","type":"link"}