{"title":"testing \u0026 measurement","description":"\u003ch5\u003eTesting \u0026amp; Measurement in Sandblasting – Checking Surface Roughness and Nozzle Pressure\u003c\/h5\u003e\u003cp\u003eIn professional blasting, it’s not just about having the right equipment and abrasive media. It’s also crucial to ensure that the desired surface finish is achieved and that the required pressure is actually applied at the blast nozzle. In the \u003cstrong\u003etesting \u0026amp; measurement\u003c\/strong\u003e category, you’ll find specialized testing equipment designed specifically for these two tasks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSurface roughness comparator discs\u003c\/strong\u003e enable visual and tactile roughness comparison of blasted surfaces in accordance with ISO 8503. Grit and shot versions reproduce different reference profiles. The \u003cstrong\u003eHNG nozzle pressure test gauge\u003c\/strong\u003e, on the other hand, is used to measure the actual available nozzle pressure during blasting operations and helps detect pressure losses in the system.\u003c\/p\u003e\u003cp\u003eThis allows for practical monitoring of blasting results and operating conditions without having to infer the actual process based solely on compressor pressure or visual appearance.\u003c\/p\u003e\u003cdiv style=\"background:#f5f5f5;border-radius:10px;padding:18px;margin:22px 0;\"\u003e\n\u003ch5\u003eWhat should be checked during blasting?\u003c\/h5\u003e\n\u003cp style=\"margin:0;\"\u003e✅ \u003cstrong\u003eSurface roughness\u003c\/strong\u003e – compare the blasted surface with defined reference profiles\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ \u003cstrong\u003eGrit or shot\u003c\/strong\u003e—use the appropriate comparison disc for the surface texture produced\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ \u003cstrong\u003eNozzle pressure\u003c\/strong\u003e – Check the pressure under actual blasting load near the nozzle\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ \u003cstrong\u003ePressure losses\u003c\/strong\u003e – Check lines, couplings, filters, and hoses as possible causes\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ \u003cstrong\u003eReference values\u003c\/strong\u003e – Compare system conditions before and after maintenance or modifications\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"contracor-oberflachen-vergleichsscheiben-grit-shot-verschiedene-varianten","title":"SRC-Grit\/SRC-Shot surface comparator discs, various versions","description":"\u003cp\u003e\u003cspan\u003eThese precision nickel reference discs are used to measure the surface roughness after shot blasting and shot peening in accordance with the international standard ISO 8503.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe comparison discs allow you to assess the roughness of a surface by visual comparison and touch. \u003c\/span\u003e\u003cspan\u003eThey are divided into four categories, each of which has a different and precisely defined degree of roughness. \u003c\/span\u003e\u003cspan\u003eThe surface comparator discs are available in two versions: one for shot-blasted surfaces and one for shot-peened surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe shot-blasted SRC-Grit version is divided into four labeled sections corresponding to profiles of 20, 60, 100, and 150 micrometers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe shot-blasted SRC-Shot version is divided into four labeled sections corresponding to profiles of 25, 40, 70, and 100 micrometers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe package includes a leather case for safe storage.\u003c\/span\u003e\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"Grit (angular)","offer_id":49034683613531,"sku":"10170510","price":302.97,"currency_code":"EUR","in_stock":true},{"title":"Shot (round)","offer_id":49034683646299,"sku":"10170500","price":302.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/oberflaechen-vergleichsscheibe-src-grit-contracor-10170510.jpg?v=1726593814"},{"product_id":"clemco-druckprufmanometer-hng-komplettset","title":"HNG nozzle pressure test gauge, Complete Set","description":"\u003ch5\u003eClemco HNG nozzle pressure test gauge – Test nozzle pressure directly under actual blasting load\u003c\/h5\u003e\u003cp\u003eThe Clemco HNG nozzle pressure test gauge is a diagnostic tool for sandblasting systems. It allows you to measure the actual blasting pressure available at the nozzle during operation. This value accounts for losses due to air preparation, fittings, couplings, and the blast hose.\u003c\/p\u003e\u003cdiv style=\"background:#f5f5f5;padding:16px;border-radius:10px;margin:16px 0;\"\u003e\n\u003cstrong\u003eYour Benefits\u003c\/strong\u003e\u003cbr\u003e✅ Measurement near the blast nozzle\u003cbr\u003e✅ Diagnosis of pressure losses under load\u003cbr\u003e✅ Helps with compressor and hose selection\u003cbr\u003e✅ Supports reproducible blasting results\u003cbr\u003e✅ Complete kit for maintenance and service\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;margin:16px 0;border:1px solid #d9dee3;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:620px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:36%;padding:11px 12px;border-bottom:1px solid #e1e5e8;background:#eef1f3;font-weight:700;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;\"\u003eHNG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;background:#f8f9fa;font-weight:700;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;background:#f8f9fa;\"\u003eNozzle Pressure Test Gauge \/ Pressure Test Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;background:#eef1f3;font-weight:700;\"\u003eItem No.\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;\"\u003e01232I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;background:#f8f9fa;font-weight:700;\"\u003eMeasurement task\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e5e8;background:#f8f9fa;\"\u003eOperating pressure in the blast hose near the nozzle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;background:#eef1f3;font-weight:700;\"\u003eDelivery Format\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;\"\u003eComplete Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eWhy Nozzle Pressure Is Critical\u003c\/h5\u003e\u003cp\u003eA high outlet pressure at the compressor does not automatically mean that this pressure is present at the nozzle. Pipes that are too small, long hoses, tight couplings, dirty filters, or a worn nozzle can cause significant pressure loss.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eTypical Applications\u003c\/h5\u003e\u003cp\u003e✔ Troubleshooting low blasting performance\u003cbr\u003e✔ Comparison of different hose lengths and diameters\u003cbr\u003e✔ Inspection after maintenance or modification\u003cbr\u003e✔ Documentation of recurring system statuses\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eMeasurement and Safety\u003c\/h5\u003e\u003cp\u003eMeasurements should only be performed by trained personnel in accordance with the application guidelines. Wear protective equipment and keep hands out of the direct blast and rebound areas.\u003c\/p\u003e\u003cp\u003e💡 \u003cstrong\u003ePractical tip:\u003c\/strong\u003e Document a baseline value after successful commissioning. This makes it easier to identify and address any deviations that arise later.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhy isn’t the boiler pressure gauge sufficient?\u003c\/strong\u003e\u003cbr\u003eIt does not show the pressure losses up to the nozzle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen should measurements be taken?\u003c\/strong\u003e\u003cbr\u003eIn case of performance issues, after modifications, when using a new nozzle size, and as part of preventive maintenance.\u003c\/p\u003e","brand":"Clemco","offers":[{"title":"Default Title","offer_id":52744693809499,"sku":"01232I","price":56.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/druckpruef-manometer-hng-clemco-01232i.jpg?v=1775217222"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/collections\/kategorie-oberflaechen-vergleichsscheiben-300x300.jpg?v=1774695807","url":"https:\/\/strahltechnik-express.de\/en-pl\/collections\/oberflachen-vergleichsscheiben.oembed","provider":"ABS Strahltechnik","version":"1.0","type":"link"}