{"product_id":"plug-in-carbon-monoxide-monitor","title":"Plug-in Carbon Monoxide Monitor with Display","description":"\u003cp\u003eA plug-in carbon monoxide monitor with a 2-inch colour screen. It shows the CO level in parts per million, plus the room's temperature and humidity, and warns you with a coloured light and an 85 dB sound if carbon monoxide rises.\u003c\/p\u003e\u003ch3\u003eWhat it does\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShows the CO level on screen\u003c\/strong\u003e from 0 to 999 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour colour-coded levels\u003c\/strong\u003e, so you can see how serious a reading is at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSounds an 85 dB alert\u003c\/strong\u003e from 51 ppm. At the highest level it can't be silenced.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShows temperature and humidity\u003c\/strong\u003e on the same screen, in °C or °F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree brightness settings\u003c\/strong\u003e, including screen off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks on its own.\u003c\/strong\u003e No app, Wi-Fi or hub needed. Plug it in and it starts monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSetting up\u003c\/h3\u003e\u003cp\u003ePlug it into a standard UK wall socket and switch on. If the socket is mounted upside down, hold the bell button to flip the display so it reads the right way up.\u003c\/p\u003e\u003ch3\u003eAlert levels\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen: 0–50 ppm\u003c\/td\u003e\n\u003ctd\u003eGreen light pulses gently, no sound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow: 51–100 ppm\u003c\/td\u003e\n\u003ctd\u003eYellow warning on screen, orange light pulses, alert sounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange: 101–150 ppm\u003c\/td\u003e\n\u003ctd\u003eOrange warning on screen, orange light flashes, alert sounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed: over 150 ppm\u003c\/td\u003e\n\u003ctd\u003eRed warning on screen, red light flashes, alert sounds. Can't be silenced, and the screen stays on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eControls\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop button:\u003c\/strong\u003e short press to self-test; long press to switch °C\/°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBell button:\u003c\/strong\u003e short press to turn the sound on or off; long press to flip the screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness button:\u003c\/strong\u003e cycles 100%, 50% and screen off.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eS02-CO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetects\u003c\/td\u003e\n\u003ctd\u003eCarbon monoxide; also shows temperature and humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCO range\u003c\/td\u003e\n\u003ctd\u003e0–999 ppm (±10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound alert from\u003c\/td\u003e\n\u003ctd\u003e51 ppm (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlert volume\u003c\/td\u003e\n\u003ctd\u003e85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e2.0-inch colour IPS, 320 × 240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e−10 to 50 °C (±1.5 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0–95% RH (±5%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e100–240 V AC, 50\/60 Hz, plug-in, with a detachable plug head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack-up battery\u003c\/td\u003e\n\u003ctd\u003eNone. It needs mains power.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−10 to 50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCasing\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e105 × 55 × 52 mm, including plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIn the box\u003c\/td\u003e\n\u003ctd\u003eMonitor, plug head, user manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCE marked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime: 10 years from delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eFree tracked UK delivery and 30-day returns.\u003c\/p\u003e","brand":"HALDEN","offers":[{"title":"1 monitor","offer_id":64747565711737,"sku":"S02-CO-1","price":59.5,"currency_code":"GBP","in_stock":true},{"title":"2 monitors","offer_id":64747565744505,"sku":"S02-CO-2","price":99.0,"currency_code":"GBP","in_stock":true},{"title":"4 monitors","offer_id":64747565777273,"sku":"S02-CO-4","price":158.0,"currency_code":"GBP","in_stock":true},{"title":"8 monitors","offer_id":64779926667641,"sku":"S02-CO-8","price":236.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1041\/8965\/7465\/files\/hf_20261005_204347_dfd9342e-6c6c-4d1e-963c-e5bc9ae89a37.png?v=1791233089","url":"https:\/\/halden.shop\/products\/plug-in-carbon-monoxide-monitor","provider":"Halden","version":"1.0","type":"link"}