{"product_id":"heidenhain-ls-404-linear-encoder","title":"HEIDENHAIN LS 404 Linear Encoder","description":"\u003cp style=\"font-size: 12px; color: #666;\"\u003eCatalog photo from the 1988 HEIDENHAIN catalog, pp. 20-21. It shows the catalog's example unit for this entry, not necessarily your exact configuration.\u003c\/p\u003e\n\u003cp\u003eThe HEIDENHAIN LS 404 is a miniaturized sealed linear encoder, cross-section 18 x 46 mm listed in the HEIDENHAIN NC-Linear Encoders catalog of November 1988. If yours is giving trouble, Automation and Metrology can evaluate it before you commit to a replacement. We work on older equipment, including units that may no longer be available new.\u003c\/p\u003e\n\u003ch2 class=\"ami-md\" style=\"display: flex; align-items: center; gap: .55em; font-size: 17px; margin: 1em 0;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; width: .6em; height: .6em; background: #c8102e; border-radius: 50%; box-shadow: 0 0 0 4px rgba(200,16,46,.18);\"\u003e\u003c\/span\u003e\u003cspan\u003ewe specialize in \u003cstrong style=\"font-size: 1.5em; font-weight: 800; color: #c8102e;\"\u003emachine down\u003c\/strong\u003e encoder repair or replacement\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow it works:\u003c\/strong\u003e Send us your unit for a free evaluation. We will give you a repair quote quickly, before work starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTurnaround:\u003c\/strong\u003e Rush repairs typically take 1-2 days; standard repairs typically take 1-2 weeks. We will confirm the timing for your unit with the quote. If repair is not practical, we can help identify a suitable current HEIDENHAIN replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpedited service:\u003c\/strong\u003e Expedited repair or replacement available on request; timing confirmed with your quote.\u003c\/p\u003e\n\u003ch2\u003eCatalog specifications\u003c\/h2\u003e\n\u003cp style=\"font-size: 13px; color: #555;\"\u003eFrom the HEIDENHAIN NC-Linear Encoders catalog, November 1988, pp. 20-21. This page lists the LS 404 entries. 1988 values; current availability is not established. Confirm your unit's configuration from its ID tag.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasuring lengths 70 to 620 mm. Glass scale fixed to the left end of the carrier; otherwise as the LS 403. Grating period 20 µm. Accuracy ±5 or ±3 µm, as the LS 403. Measuring steps 1 \/ 0.5 µm.\u003c\/li\u003e\n\u003cli\u003eReference marks: two.\u003c\/li\u003e\n\u003cli\u003eTraversing speed up to 48 m\/min. Vibration 30 m\/s², shock 100 m\/s². Moving force under 6 N.\u003c\/li\u003e\n\u003cli\u003eOperating temperature 0 °C to 50 °C, storage –20 °C to 50 °C (catalog column for the LS 404; the LS 403 column reads –20 °C to 70 °C). Weight 0.1 kg + 0.5 kg\/m. Cable 3 m with connector.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/auto-met.com\/cdn\/shop\/files\/14-HEIDENHAIN-LS-403-LS-403C-LS-404-LS-404C-Linear-Encoders-Catalog-1988.pdf\" rel=\"noopener\" target=\"_blank\"\u003eHEIDENHAIN LS 403 \/ LS 403 C \/ LS 404 \/ LS 404 C spec sheet, 1988 catalog pp. 20-21 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/auto-met.com\/cdn\/shop\/files\/1-HEIDENHAIN-NC-Linear-Encoders-Catalog-1988-Full.pdf\" rel=\"noopener\" target=\"_blank\"\u003eHEIDENHAIN NC-Linear Encoders catalog, November 1988 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease send the full model and ID number from the unit's label, plus its measuring length and connector details, so we can check the right configuration. Do not assume a similar model is a drop-in replacement.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\" style=\"display: inline-block; background: #c8102e; color: #fff; padding: 12px 20px; text-decoration: none;\"\u003eRequest a Quote\u003c\/a\u003e Or call 1-888-354-2525.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/repair-services\"\u003eEncoder repair services\u003c\/a\u003e\u003c\/p\u003e","brand":"HEIDENHAIN","offers":[{"title":"Default Title","offer_id":67638379413821,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/8222\/4189\/files\/1-HEIDENHAIN-LS-403-LS-403C-LS-404-LS-404C-photo-white-bg_c036093d-5fa1-40c9-83c3-7845b385fe6b.jpg?v=1791317465","url":"https:\/\/auto-met.com\/products\/heidenhain-ls-404-linear-encoder","provider":"Automation and Metrology, Inc.","version":"1.0","type":"link"}