{"product_id":"arcus-sk80-bft","title":"SK80-BFT - KNX Soil Moisture and Temperature Measuring System, Without Watermark Sensor","description":"\u003cp\u003eThe SK80-BFT is a KNX S8 measuring system for determining soil moisture and soil temperature. It is supplied without a Watermark sensor, which suits projects where the sensor is already on hand or is ordered separately.\u003c\/p\u003e\u003cp\u003eThe unit is built for surface mounting (AP) and carries an IP54\/65 rating. For a complete set with the Watermark sensor included, see the SK80-BFT-WMT.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eKNX S8 measuring system\u003c\/li\u003e\n\u003cli\u003eDetermines soil moisture and soil temperature\u003c\/li\u003e\n\u003cli\u003eSupplied without Watermark sensor\u003c\/li\u003e\n\u003cli\u003eSurface mount (AP)\u003c\/li\u003e\n\u003cli\u003eIP54\/65\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eArticle no.\u003c\/th\u003e\n\u003ctd\u003e30805100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKNX bus voltage\u003c\/th\u003e\n\u003ctd\u003eKNX 21-32 VDC, bus load 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower consumption\u003c\/th\u003e\n\u003ctd\u003eapprox. 10 mA from KNX bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuxiliary supply\u003c\/th\u003e\n\u003ctd\u003eNone stated (bus powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring\u003c\/th\u003e\n\u003ctd\u003eSoil moisture (Watermark) 0..~220,000 Pa (31.9 psi) (~0-220 kPa (0 to 31.9 psi) soil water tension); soil temperature (PT1000) -25..+50 °C (-13 to 122 °F), DIN class B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs \/ outputs \u0026amp; connections\u003c\/th\u003e\n\u003ctd\u003eWatermark soil-moisture + PT1000 inputs (polarity-free), S1\/S2 potential-free switch inputs, S3 potential-free switch output 48 VDC \/ 90 mA; integrated display (kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection rating\u003c\/th\u003e\n\u003ctd\u003eIP54\/65 (bus coupler); brochure: weatherproof IP65 housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eSurface-mounted (AP) outdoor housing; Watermark probe buried in soil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-25 to +60 °C (-13 to 140 °F) (storage -25 to +80 °C (-13 to 176 °F)), 0-100 % RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.arcus-eds.de\/fileadmin\/download.arcus-eds.de\/3000_S8_Spezielle_Sensorik\/3510_SK80-BFT\/3510_01_e2_SK80-BFT-WMT.pdf\" target=\"_blank\" rel=\"noopener\"\u003eProduct datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.arcus-eds.de\/fileadmin\/download.arcus-eds.de\/3000_S8_Spezielle_Sensorik\/3500_3600_Watermark\/Anleitung_zur_Installation_Watermark_de.pdf\" target=\"_blank\" rel=\"noopener\"\u003eApplication manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.arcus-eds.de\/fileadmin\/download.arcus-eds.de\/3000_S8_Spezielle_Sensorik\/3000_S8_allgemein\/Arc_S8_knxprod.zip\" target=\"_blank\" rel=\"noopener\"\u003eETS application\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e(CE certified; not UL\/NRTL listed — verify local code requirements before specifying in US installations)\u003c\/em\u003e\u003c\/p\u003e","brand":"ARCUS EDS","offers":[{"title":"Default Title","offer_id":50554329792768,"sku":"30805100","price":348.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/4161\/5360\/files\/3510_SK80-BFT-WMT_30805101_v3.jpg?v=1791428526","url":"https:\/\/www.knxsupply.com\/products\/arcus-sk80-bft","provider":"KNX Supply","version":"1.0","type":"link"}