{"product_id":"banner-engineering-43958-n-specified-test-piece-for-light-curtain","title":"Banner Engineering 43958-N Specified Test Piece For Light Curtain","description":"\u003cdiv\u003e\u003cp\u003eSTP-3 Specified Test Piece for Light Curtain, Banner Engineering, 1.75 inch diameter (43958) is a replacement test artifact designed for Banner’s MINI- and MICRO-SCREEN safety light curtain systems to validate the defined sensing area by obstructing a beam within that area. The part, identified by 43958, is a standalone, single-piece test object manufactured in the United States and sold individually; it is listed by multiple distributors as the standard Specified Test Piece for light curtains. Diameter specifications are noted as 1.75 inches (about 44.5 mm), with references also noting a 45 mm size in technical diagrams. While some listings indicate STP-3 has been discontinued by the manufacturer, it remains available from third-party suppliers as a replacement part. \u003c\/p\u003e\u003c\/div\u003e","brand":"BANNER","offers":[{"title":"New","offer_id":46273205960938,"sku":null,"price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-074.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/banner-engineering-43958-n-specified-test-piece-for-light-curtain","provider":"GTG Hardware","version":"1.0","type":"link"}