{"product_id":"insize-1177-500wl-digital-back-jaw-centerline-caliper-20-500mm","title":"INSIZE 1177-500WL Digital Back-Jaw Centerline Caliper | 20–500mm","description":"\u003ch1\u003eINSIZE 1177-500WL Digital Back-Jaw Centerline Caliper | 20–500mm\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eINSIZE 1177-500WL Digital Back-Jaw Centerline Caliper\u003c\/strong\u003e is a specialized digital caliper designed for accurately measuring \u003cstrong\u003ehole-to-hole center distances\u003c\/strong\u003e, including measurements between holes located in the same plane or offset planes. Its extended back-jaw configuration allows the measuring points to reach into applications where a conventional digital caliper cannot easily establish centerline dimensions.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e20–500 mm (0.8–20\") measuring range\u003c\/strong\u003e, \u003cstrong\u003e0.01 mm (0.0005\") resolution\u003c\/strong\u003e, \u003cstrong\u003e±0.10 mm accuracy\u003c\/strong\u003e, and \u003cstrong\u003ebuilt-in wireless data output\u003c\/strong\u003e, the 1177-500WL is well suited for inspection, machining, fabrication, and quality-control environments where center-distance measurements need to be recorded efficiently.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e20–500 mm \/ 0.8–20\" measuring range\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e±0.10 mm accuracy\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0.01 mm \/ 0.0005\" resolution\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in wireless data output\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for measuring \u003cstrong\u003ehole center-to-center distances\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCapable of measuring holes in the \u003cstrong\u003esame or offset planes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStainless steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital LCD display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMetric\/inch conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePreset function for establishing a reference measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic power-off function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCR2032 battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMove-activated digital unit helps turn the display on during use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for Hole Centerline Measurements\u003c\/h2\u003e\n\u003cp\u003eThe 1177 series is specifically designed for applications where the distance between hole centers needs to be measured directly. The specialized back-jaw geometry provides access to holes and features that can be difficult to measure using standard outside-measuring calipers.\u003c\/p\u003e\n\u003cp\u003eThis makes the 1177-500WL particularly useful for inspecting fabricated components, machined parts, plates, brackets, frames, and other components containing multiple holes or offset hole patterns.\u003c\/p\u003e\n\u003cp\u003eThe caliper can measure \u003cstrong\u003ecenter distances in the same plane as well as offset planes\u003c\/strong\u003e, providing a practical alternative to calculating center distances from separate edge measurements.\u003c\/p\u003e\n\u003ch2\u003eBuilt-In Wireless Data Output\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e1177-500WL includes built-in wireless data transmission\u003c\/strong\u003e, allowing measurement data to be transferred without requiring a separate wired data-output cable.\u003c\/p\u003e\n\u003cp\u003eThis can be useful in inspection and quality-control workflows where measurements need to be transferred to a computer or data-collection system rather than manually transcribed.\u003c\/p\u003e\n\u003cp\u003eThe wireless version uses a dedicated data-transmission button and signal indicator. INSIZE notes that battery life for the built-in wireless version can vary with measurement frequency and is approximately \u003cstrong\u003e3–5 months\u003c\/strong\u003e under typical use.\u003c\/p\u003e\n\u003ch2\u003eDigital Measurement \u0026amp; Preset Functions\u003c\/h2\u003e\n\u003cp\u003eThe digital display provides \u003cstrong\u003e0.01 mm \/ 0.0005\" resolution\u003c\/strong\u003e, while the preset function allows the operator to establish a reference value before taking measurements.\u003c\/p\u003e\n\u003cp\u003eControls include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eON\/OFF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSET\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003emm\/inch conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePreset adjustment (+ \/ −)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWireless data transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe digital unit automatically powers off after approximately five minutes of inactivity, while moving the digital unit can activate the display.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"right\"\u003e1177-500WL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e20–500 mm \/ 0.8–20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e0.01 mm \/ 0.0005\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eBuilt-in wireless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eCR2032\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eHole center-to-center distance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlane Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eSame or offset planes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eManufacturer specifications confirm the 1177-500WL's 20–500 mm range, ±0.10 mm accuracy, 0.01 mm resolution, and built-in wireless interface.\u003c\/p\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cp\u003eThe INSIZE 1177-500WL is suitable for applications involving large components and precision hole patterns, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMachine shop inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCNC machining inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFabrication and welding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSheet-metal fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStructural component inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomotive component inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAerospace component inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFixture and tooling inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuality-control departments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncoming and final inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintenance and repair operations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Use a Back-Jaw Centerline Caliper?\u003c\/h2\u003e\n\u003cp\u003eStandard digital calipers are primarily designed for outside, inside, depth, and step measurements. Measuring the center distance between two holes can require additional calculations or specialized tooling.\u003c\/p\u003e\n\u003cp\u003eThe 1177-500WL is purpose-built for this type of inspection. Its back-jaw configuration allows the measuring points to engage the holes directly, helping the operator establish the center-to-center dimension without relying on separate edge measurements.\u003c\/p\u003e\n\u003cp\u003eFor production and inspection environments, this can make repetitive hole-pattern measurements more straightforward and reduce the amount of manual calculation involved.\u003c\/p\u003e\n\u003ch2\u003eImportant Measurement Considerations\u003c\/h2\u003e\n\u003cp\u003eFor best measurement accuracy, the measuring jaws and workpiece surfaces should be clean before use. INSIZE recommends maintaining consistent and appropriate measuring force during measurement.\u003c\/p\u003e\n\u003cp\u003eThe 1177-500WL is a \u003cstrong\u003enon-waterproof\u003c\/strong\u003e digital measuring instrument and is intended for use within a working temperature range of approximately \u003cstrong\u003e0–40°C (32–104°F)\u003c\/strong\u003e with relative humidity not exceeding 80%.\u003c\/p\u003e\n\u003ch2\u003eINSIZE 1177 Series\u003c\/h2\u003e\n\u003cp\u003eThe 1177 family is available in several measuring ranges and data-output configurations. If you require a different capacity, contact CRB Supply to confirm availability and configuration.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth align=\"right\"\u003eMeasuring Range\u003c\/th\u003e\n\u003cth align=\"right\"\u003eAccuracy\u003c\/th\u003e\n\u003cth\u003eData Output\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-200\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e10–200 mm \/ 0.4–8\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003ctd\u003eData interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-300\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e10–300 mm \/ 0.4–12\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003ctd\u003eData interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e20–500 mm \/ 0.8–20\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003ctd\u003eData interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-1000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e30–1000 mm \/ 1.2–40\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.12 mm\u003c\/td\u003e\n\u003ctd\u003eData interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-1500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e30–1500 mm \/ 1.2–60\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.15 mm\u003c\/td\u003e\n\u003ctd\u003eData interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-200WL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e10–200 mm \/ 0.4–8\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003ctd\u003eBuilt-in wireless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-300WL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e10–300 mm \/ 0.4–12\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003ctd\u003eBuilt-in wireless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1177-500WL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e20–500 mm \/ 0.8–20\"\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e±0.10 mm\u003c\/td\u003e\n\u003ctd\u003eBuilt-in wireless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor the CRB Supply product listing, the \u003cstrong\u003e1177-500WL\u003c\/strong\u003e is the applicable model. The other models are shown above for reference to the INSIZE product family.\u003c\/p\u003e\n\u003ch2\u003eDocumentation\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e INSIZE\u003cbr\u003e\u003cstrong\u003eProduct Series:\u003c\/strong\u003e 1177 Digital Back-Jaw Centerline Calipers\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e 1177-500WL\u003c\/p\u003e\n\u003cp\u003eFor technical documentation, specifications, and operating information, refer to the official INSIZE documentation.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.insize.com\/pdf-viewer?=\/PDF\/1177.pdf\" title=\"Spec sheet\"\u003eSpec sheet PDF\u003c\/a\u003e\u003c\/p\u003e","brand":"Insize","offers":[{"title":"Default Title","offer_id":46617752568066,"sku":"1177-500WL","price":1506.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9074\/6882\/files\/Built-In_Wireless_Back-Jaw_Centerline_Caliper.jpg?v=1788651179","url":"https:\/\/www.crbsupply.com\/products\/insize-1177-500wl-digital-back-jaw-centerline-caliper-20-500mm","provider":"CRB Supply","version":"1.0","type":"link"}