{"product_id":"notifier-europe-nfxi-tdiff","title":"Notifier NFXI-TDIFF Opal Heat Detector (A1R), Rate of rise + Fixed 58°C","description":"\u003ch2 data-section-id=\"1eeh2c2\" data-start=\"172\" data-end=\"257\"\u003eNotifier NFXI-TDIFF Opal Heat Detector A1R Rate of Rise and Fixed 58°C c\/w Isolator\u003c\/h2\u003e\n\u003cp data-start=\"259\" data-end=\"672\"\u003eThe \u003cstrong data-start=\"263\" data-end=\"305\"\u003eNotifier NFXI-TDIFF Opal Heat Detector\u003c\/strong\u003e combines \u003cstrong data-start=\"315\" data-end=\"341\"\u003erate of rise detection\u003c\/strong\u003e with \u003cstrong data-start=\"347\" data-end=\"386\"\u003efixed temperature detection at 58°C\u003c\/strong\u003e, providing reliable and responsive heat detection for a wide range of applications. Designed as part of the \u003cstrong data-start=\"495\" data-end=\"539\"\u003eNotifier Opal analogue addressable range\u003c\/strong\u003e, the NFXI-TDIFF uses low mass thermistors and advanced microprocessor technology for fast response and accurate temperature sensing.\u003c\/p\u003e\n\u003cp data-start=\"674\" data-end=\"931\"\u003eThe detector activates an alarm when the \u003cstrong data-start=\"715\" data-end=\"770\"\u003erate of rise in temperature exceeds 10°C per minute\u003c\/strong\u003e (typical) or when the temperature reaches \u003cstrong data-start=\"813\" data-end=\"842\"\u003e58°C (Response Class A1R)\u003c\/strong\u003e, offering enhanced protection in environments where rapid temperature changes may occur.\u003c\/p\u003e\n\u003cp data-start=\"933\" data-end=\"1049\"\u003eNotifier's \u003cstrong data-start=\"944\" data-end=\"961\"\u003eOpal protocol\u003c\/strong\u003e enables flexible software configuration across the Opal heat detector range, including:\u003c\/p\u003e\n\u003cp data-start=\"1051\" data-end=\"1193\"\u003e• Fixed 58°C heat detection (NFXI-TFIX58)\u003cbr data-start=\"1092\" data-end=\"1095\"\u003e• Fixed 78°C heat detection (NFXI-TFIX78)\u003cbr data-start=\"1136\" data-end=\"1139\"\u003e• Rate of rise and fixed 58°C detection (NFXI-TDIFF)\u003c\/p\u003e\n\u003cp data-start=\"1195\" data-end=\"1305\"\u003eFor backwards compatibility and approval continuity, each version remains available as a separate part number.\u003c\/p\u003e\n\u003cp data-start=\"1307\" data-end=\"1532\"\u003eThe sensing elements are panel controllable through the \u003cstrong data-start=\"1363\" data-end=\"1380\"\u003eOpal protocol\u003c\/strong\u003e, allowing sensitivity thresholds to be adjusted to suit changing environmental conditions. This provides improved flexibility and reduced false alarms.\u003c\/p\u003e\n\u003cp data-start=\"1534\" data-end=\"1759\"\u003eThe detector features \u003cstrong data-start=\"1556\" data-end=\"1592\"\u003ebuilt in short circuit isolation\u003c\/strong\u003e and \u003cstrong data-start=\"1597\" data-end=\"1629\"\u003etwo integral tri colour LEDs\u003c\/strong\u003e providing \u003cstrong data-start=\"1640\" data-end=\"1672\"\u003e360° local visual indication\u003c\/strong\u003e of device status. LED indications include static or flashing \u003cstrong data-start=\"1734\" data-end=\"1758\"\u003ered, amber and green\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1761\" data-end=\"1776\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1778\" data-end=\"2307\"\u003e• Rate of rise and fixed temperature detection at 58°C\u003cbr data-start=\"1832\" data-end=\"1835\"\u003e• Built in short circuit isolator\u003cbr data-start=\"1868\" data-end=\"1871\"\u003e• Advanced Opal protocol with loop mapping capability\u003cbr data-start=\"1924\" data-end=\"1927\"\u003e• Precise fault location using isolators\u003cbr data-start=\"1967\" data-end=\"1970\"\u003e• Tri colour LED indication with red green and amber status\u003cbr data-start=\"2029\" data-end=\"2032\"\u003e• Rotary decade address switches\u003cbr data-start=\"2064\" data-end=\"2067\"\u003e• Pure white finish to complement modern buildings\u003cbr data-start=\"2117\" data-end=\"2120\"\u003e• 100% mechanical and electrical backwards compatibility\u003cbr data-start=\"2176\" data-end=\"2179\"\u003e• Base designed for easy installation and wiring\u003cbr data-start=\"2227\" data-end=\"2230\"\u003e• 360° visual status indication\u003cbr data-start=\"2261\" data-end=\"2264\"\u003e• Panel configurable sensitivity settings\u003c\/p\u003e\n\u003ch2 data-section-id=\"14bu82z\" data-start=\"2309\" data-end=\"2325\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-start=\"2327\" data-end=\"2454\"\u003ePart of the Notifier Opal analogue addressable detector range and compatible with supported Notifier fire alarm control panels.\u003c\/p\u003e","brand":"Notifier Europe","offers":[{"title":"Default Title","offer_id":56706909077877,"sku":"NFXI-TDIFF","price":38.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/6712\/8604\/files\/NFXI-TDIFF-2018-400x400_c82bc769-9567-4191-bca9-f35925fdd1ff.jpg?v=1774530927","url":"https:\/\/jemsystems.co.uk\/products\/notifier-europe-nfxi-tdiff","provider":"JEM Systems UK","version":"1.0","type":"link"}