{"product_id":"apollo-fire-marine-heat-detector-orb-ht-41006-mar","title":"Apollo Fire ORB-HT-41006-MAR marine heat detector, White","description":"\u003cp\u003e\u003cstrong\u003ePlease note: this is a non-returnable item (excluding faulty goods)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApollo Fire ORB-HT-41006-MAR is a marine heat detector from the Orbis range.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Orbis Marine Heat Detector uses a single thermistor to sense the air temperature around the detector. There are twelve heat detectors in the Orbis Marine range designed to suit a wide variety of operating conditions. Operation:\u003c\/p\u003e\n\u003cp\u003eOrbis heat detectors have an open-web casing which allows air to flow freely across a thermistor which measures the air temperature every 2 seconds. A microprocessor stores the temperatures and compares them with pre-set values to determine whether a fixed upper limit – the alarm level – has been reached. In the case of rate-of-rise detectors the microprocessor uses algorithms to determine how fast the temperature is increasing.\u003c\/p\u003e\n\u003cp\u003eStatic heat detectors respond only when a fixed temperature has been reached. Rate-of-rise detectors also have a fixed upper limit but they also measure the rate of increase in temperature. A fire might thus be detected at an earlier stage than with a static detector so that a rate-of-rise detector is to be preferred to a static heat detector unless sharp increases of heat are part of the normal environment in the area protected by the heat detector.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCan be used for applications where smoke detectors are unsuitable\u003c\/li\u003e\n\u003cli\u003eIdeal in environments that are dirty or smoky under normal conditions\u003c\/li\u003e\n\u003cli\u003eRed flashing LED at StartUp confirms the device is operating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are matching this to an existing installation, work from the ORB-HT-41006-MAR part number rather than the description.\u003c\/p\u003e","brand":"USE_EXISTING","offers":[{"title":"Default Title","offer_id":57549488357749,"sku":"ORB-HT-41006-MAR","price":22.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/1216\/0612\/files\/ORB-HT-41006-MAR.jpg?v=1788544875","url":"https:\/\/wmestore.co.uk\/products\/apollo-fire-marine-heat-detector-orb-ht-41006-mar","provider":"WME","version":"1.0","type":"link"}