{"product_id":"seco-traverse-kit-single-prism-black","title":"SECO 2159-01-BLK Single Prism Traverse Kit - Black","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003ca href=\"https:\/\/secoprecision.com\/product\/traverse-kit-single-prism-black\/\" target=\"_blank\" title=\"Traverse Kit Single Prism – Black\" rel=\"noopener\"\u003eSECO 2159-01-BLK Single Prism Traverse Kit\u003c\/a\u003e is a complete precision surveying setup designed for control work, traversing, construction layout, and other applications requiring accurate prism positioning over a known point.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe kit combines a 62 mm silver-coated prism, reversible tilting target, precision rotating tribrach adapter, and three-screw leveling tribrach. The prism provides selectable \u003cstrong\u003e0 mm, -30 mm, and -40 mm offsets\u003c\/strong\u003e, while the target incorporates a sighting collimator for precise orientation toward the total station.\u003c\/p\u003e\n\u003cp\u003eThe included rotating tribrach adapter features a 2.5x twist-focus optical plummet, 60-second adjustable plate vial, and precision-machined axis capable of 360° rotation. A black tribrach and hard-shell carrying case complete the system.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete single-prism traverse kit\u003c\/li\u003e\n\u003cli\u003eSECO part number: 2159-01-BLK\u003c\/li\u003e\n\u003cli\u003eIncludes 62 mm silver-coated prism\u003c\/li\u003e\n\u003cli\u003ePrism part number: 6400-10\u003c\/li\u003e\n\u003cli\u003ePrism angle deviation of less than 5 arc seconds\u003c\/li\u003e\n\u003cli\u003eAdjustable and reversible tilt target\u003c\/li\u003e\n\u003cli\u003eIntegrated sighting collimator for precise pointing\u003c\/li\u003e\n\u003cli\u003eSelectable 0 mm, -30 mm, and -40 mm prism offsets\u003c\/li\u003e\n\u003cli\u003eIncludes rotating tribrach adapter\u003c\/li\u003e\n\u003cli\u003eAdapter part number: 2153-10-BLK\u003c\/li\u003e\n\u003cli\u003eCompatible with prisms using a 24.9 mm bayonet base\u003c\/li\u003e\n\u003cli\u003ePrecision-machined rotating axis\u003c\/li\u003e\n\u003cli\u003eFull 360° adapter rotation\u003c\/li\u003e\n\u003cli\u003e2.5x twist-focus optical plummet\u003c\/li\u003e\n\u003cli\u003e60-second adjustable plate vial\u003c\/li\u003e\n\u003cli\u003eOver-point accuracy of 0.5 mm at 1.5 m\u003c\/li\u003e\n\u003cli\u003eIncludes three-screw leveling tribrach\u003c\/li\u003e\n\u003cli\u003eTribrach part number: 2153-04-BLK\u003c\/li\u003e\n\u003cli\u003e8-minute circular vial\u003c\/li\u003e\n\u003cli\u003e5\/8-11 tribrach base thread\u003c\/li\u003e\n\u003cli\u003eBlack tribrach and adapter\u003c\/li\u003e\n\u003cli\u003eIncludes hard-shell carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e62 mm Silver-Coated Prism\u003c\/h2\u003e\n\u003cp\u003eThe SECO 2159-01-BLK includes a 62 mm prism with a silver-coated canister:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSECO prism p\/n: \u003cstrong\u003e6400-10\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrism diameter: \u003cstrong\u003e62 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrism angle deviation: \u003cstrong\u003e\u0026lt;5 arc seconds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe low angular deviation supports precision total station measurements where consistent prism geometry is important.\u003c\/p\u003e\n\u003ch2\u003e0 mm, -30 mm, and -40 mm Prism Offsets\u003c\/h2\u003e\n\u003cp\u003eThe adjustable target provides three prism offset positions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e0 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e-30 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e-40 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows the assembly to be configured for different instrument and survey workflows without requiring a completely different prism system.\u003c\/p\u003e\n\u003cp\u003eThe correct prism constant must be selected in the total station or field software before collecting measurements. Instrument manufacturers may use different prism-constant conventions, so the entered value should always be verified for the specific equipment being used.\u003c\/p\u003e\n\u003ch2\u003eAdjustable and Reversible Tilt Target\u003c\/h2\u003e\n\u003cp\u003eThe prism is mounted in an adjustable tilt target that can be reversed according to the required configuration.\u003c\/p\u003e\n\u003cp\u003eTilting allows the prism face to be aimed toward the total station when working at different elevations or vertical angles.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful during traverse work, where targets may need to remain accurately centered over established control points while being observed from multiple instrument positions.\u003c\/p\u003e\n\u003ch2\u003eIntegrated Sighting Collimator\u003c\/h2\u003e\n\u003cp\u003eThe tilt target incorporates a sighting collimator to assist with precise pointing.\u003c\/p\u003e\n\u003cp\u003eThe collimator gives the target operator a direct visual reference for orienting the prism toward the instrument, helping ensure the reflective surface is properly aligned during longer or more demanding observations.\u003c\/p\u003e\n\u003ch2\u003eRotating Tribrach Adapter\u003c\/h2\u003e\n\u003cp\u003eThe kit includes the SECO 2153-10-BLK rotating tribrach adapter.\u003c\/p\u003e\n\u003cp\u003eThis adapter is compatible with prisms using a:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e24.9 mm bayonet base\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe precision-machined axis rotates through a full 360°, allowing the prism assembly to be oriented without shifting the tribrach or disturbing the centered setup.\u003c\/p\u003e\n\u003cp\u003eThis is especially useful during traverse observations where the prism must be turned toward different instrument stations.\u003c\/p\u003e\n\u003ch2\u003e2.5x Twist-Focus Optical Plummet\u003c\/h2\u003e\n\u003cp\u003eThe rotating tribrach adapter features a 2.5x optical plummet with twist focusing.\u003c\/p\u003e\n\u003cp\u003eThe optical plummet allows the operator to accurately center the assembly over a ground point, nail, monument, or control mark before measurements begin.\u003c\/p\u003e\n\u003cp\u003eTwist focusing helps provide a clear view of the point during setup.\u003c\/p\u003e\n\u003ch2\u003e60-Second Adjustable Plate Vial\u003c\/h2\u003e\n\u003cp\u003eA 60-second adjustable plate vial is integrated into the rotating tribrach adapter.\u003c\/p\u003e\n\u003cp\u003eThe vial provides a sensitive leveling reference for accurately positioning the prism assembly. Its adjustable design allows it to be checked and calibrated as part of routine equipment maintenance.\u003c\/p\u003e\n\u003ch2\u003e360° Precision Rotation\u003c\/h2\u003e\n\u003cp\u003eThe tribrach adapter incorporates a precision-machined axis that rotates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e360°\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows the prism to be turned toward different instrument positions while maintaining the same centered setup over the control point.\u003c\/p\u003e\n\u003cp\u003eThe feature is particularly useful for traversing, control networks, monitoring, and multi-direction observations.\u003c\/p\u003e\n\u003ch2\u003ePrecision Over-Point Setup\u003c\/h2\u003e\n\u003cp\u003eSECO specifies an over-point accuracy of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e0.5 mm at 1.5 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis high level of centering precision makes the system well suited for traverse and control applications where accurate setup over established points is essential.\u003c\/p\u003e\n\u003cp\u003eSECO also specifies a height range of approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e180 to 200 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe exact configured height should be confirmed before recording the target height in the total station or field software.\u003c\/p\u003e\n\u003ch2\u003eThree-Screw Leveling Tribrach\u003c\/h2\u003e\n\u003cp\u003eThe kit includes the SECO 2153-04-BLK tribrach.\u003c\/p\u003e\n\u003cp\u003eFeatures include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree-screw leveling\u003c\/li\u003e\n\u003cli\u003eCenter-line reference\u003c\/li\u003e\n\u003cli\u003e8-minute circular vial\u003c\/li\u003e\n\u003cli\u003e5\/8-11 base thread\u003c\/li\u003e\n\u003cli\u003eBlack finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe three leveling screws provide fine adjustment for accurately leveling the prism assembly before observations are collected.\u003c\/p\u003e\n\u003ch2\u003e8-Minute Circular Vial\u003c\/h2\u003e\n\u003cp\u003eThe included tribrach has an 8-minute circular vial for initial leveling.\u003c\/p\u003e\n\u003cp\u003eThe circular vial provides a quick reference for bringing the assembly close to level before the more sensitive plate vial on the adapter is used for final adjustment.\u003c\/p\u003e\n\u003ch2\u003eStandard 5\/8-11 Mounting\u003c\/h2\u003e\n\u003cp\u003eThe tribrach uses a standard:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e5\/8-11 base thread\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis provides compatibility with a wide range of professional survey tripods, instrument mounts, and other equipment using the standard surveying connection.\u003c\/p\u003e\n\u003ch2\u003eBlack Tribrach and Adapter\u003c\/h2\u003e\n\u003cp\u003eBoth the tribrach and rotating tribrach adapter are supplied in Black.\u003c\/p\u003e\n\u003cp\u003eIncluded components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2153-10-BLK rotating tribrach adapter\u003c\/li\u003e\n\u003cli\u003e2153-04-BLK tribrach\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe matching finish creates a complete, coordinated traverse setup.\u003c\/p\u003e\n\u003ch2\u003eHard-Shell Carrying Case\u003c\/h2\u003e\n\u003cp\u003eA hard-shell case is included for transportation and storage.\u003c\/p\u003e\n\u003cp\u003eThe case helps protect the prism, tribrach, rotating adapter, and target components while keeping the complete traverse kit organized between survey setups.\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision traverse surveys\u003c\/li\u003e\n\u003cli\u003eControl-point establishment\u003c\/li\u003e\n\u003cli\u003eControl networks\u003c\/li\u003e\n\u003cli\u003eConstruction layout\u003c\/li\u003e\n\u003cli\u003eBoundary surveying\u003c\/li\u003e\n\u003cli\u003eTopographic surveying\u003c\/li\u003e\n\u003cli\u003eMonitoring surveys\u003c\/li\u003e\n\u003cli\u003eDeformation monitoring\u003c\/li\u003e\n\u003cli\u003eEngineering surveys\u003c\/li\u003e\n\u003cli\u003eHigh-accuracy total station work\u003c\/li\u003e\n\u003cli\u003eMulti-station prism observations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSingle prism traverse kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSECO Part Number\u003c\/td\u003e\n\u003ctd\u003e2159-01-BLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Part Number\u003c\/td\u003e\n\u003ctd\u003e6400-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Diameter\u003c\/td\u003e\n\u003ctd\u003e62 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Coating\u003c\/td\u003e\n\u003ctd\u003eSilver coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Angle Deviation\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Offsets\u003c\/td\u003e\n\u003ctd\u003e0 mm, -30 mm, -40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget\u003c\/td\u003e\n\u003ctd\u003eAdjustable and reversible tilt target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSighting Aid\u003c\/td\u003e\n\u003ctd\u003eIntegrated collimator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotating Adapter\u003c\/td\u003e\n\u003ctd\u003e2153-10-BLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBayonet Compatibility\u003c\/td\u003e\n\u003ctd\u003e24.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Rotation\u003c\/td\u003e\n\u003ctd\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Plummet\u003c\/td\u003e\n\u003ctd\u003e2.5x twist focus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Vial\u003c\/td\u003e\n\u003ctd\u003e60-second adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecified Height\u003c\/td\u003e\n\u003ctd\u003e180–200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-Point Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.5 mm at 1.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTribrach\u003c\/td\u003e\n\u003ctd\u003e2153-04-BLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTribrach Leveling\u003c\/td\u003e\n\u003ctd\u003eThree-screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTribrach Circular Vial\u003c\/td\u003e\n\u003ctd\u003e8 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTribrach Base Thread\u003c\/td\u003e\n\u003ctd\u003e5\/8-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTribrach\/Adapter Color\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrying Case\u003c\/td\u003e\n\u003ctd\u003eHard shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/secoprecision.com\/product\/62-mm-nodal-point-prism-assembly\/\" target=\"_blank\" title=\"62 mm Nodal Point Prism Assembly\" rel=\"noopener\"\u003e1 × SECO 62 mm silver-coated prism\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/secoprecision.com\/product\/62-mm-nodal-point-prism-assembly\/\" target=\"_blank\" title=\"62 mm Nodal Point Prism Assembly\" rel=\"noopener\"\u003eP\/n: 6400-10\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 × Adjustable and reversible tilt target with sighting collimator\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aaisurvey.com\/products\/traverse-tribrach-adapter\" target=\"_blank\" title=\"SECO 2153-10-BLK Traverse Tribrach Adapter\" rel=\"noopener\"\u003e1 × SECO rotating tribrach adapter\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aaisurvey.com\/products\/traverse-tribrach-adapter\" target=\"_blank\" title=\"SECO 2153-10-BLK Traverse Tribrach Adapter\" rel=\"noopener\"\u003eP\/n: 2153-10-BLK\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/secoprecision.com\/product\/tribrach-w-o-optical-plummet-black\/\" target=\"_blank\" title=\"Tribrach W\/O Optical Plummet – Black\" rel=\"noopener\"\u003e1 × SECO three-screw leveling tribrach\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/secoprecision.com\/product\/tribrach-w-o-optical-plummet-black\/\" target=\"_blank\" title=\"Tribrach W\/O Optical Plummet – Black\" rel=\"noopener\"\u003eP\/n: 2153-04-BLK\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aaisurvey.com\/products\/traverse-case\" target=\"_blank\" title=\"Hard Shell Traverse Carrying Case\" rel=\"noopener\"\u003e1 × Hard-shell carrying case\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aaisurvey.com\/products\/traverse-case\" target=\"_blank\" title=\"Hard Shell Traverse Carrying Case\" rel=\"noopener\"\u003eP\/n: 2159-050\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eComplete kit p\/n: \u003cstrong\u003e2159-01-BLK\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTripod, total station, and other surveying accessories are sold separately.\u003c\/p\u003e\n\u003ch2\u003eComplete Precision Traverse Setup\u003c\/h2\u003e\n\u003cp\u003eThe SECO 2159-01-BLK combines a sub-5-arc-second 62 mm prism, three offset options, reversible tilt target, precision rotating adapter, optical plummet, and leveling tribrach into one complete traverse system. Its 360° rotation and precise over-point capability make it particularly well suited for control work and high-accuracy total station surveying.\u003c\/p\u003e","brand":"SECO","offers":[{"title":"Default Title","offer_id":40815735865424,"sku":"2159-01-BLK","price":827.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6185\/2752\/files\/SECO-2159-01-BLK-Single-Prism-Traverse-Kit-Black_-SECO-Absolute-Accuracy-Inc-226487488.jpg?v=1786405431","url":"https:\/\/aaisurvey.com\/products\/seco-traverse-kit-single-prism-black","provider":"Absolute Accuracy","version":"1.0","type":"link"}