{"product_id":"arcus-sk20-tthc-2b","title":"SK20-TTHC-2B - KNX Room Temp\/Humidity Sensor with 2nd PT1000 Input and 2 Binary Inputs, White","description":"\u003cp\u003eThe SK20-TTHC-2B is a self-contained KNX room temperature and humidity sensor in a white 71 x 71 mm (2.8 x 2.8 in) plastic housing for a standard in-wall box. It adds an input for a second, external PT1000 temperature probe (not included).\u003c\/p\u003e\u003cp\u003eIt includes an integrated room temperature controller (RTR), calculates absolute humidity, dew point and enthalpy, and offers two binary inputs for contacts or push buttons. Bus powered and configured in ETS with the HLK305 application.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTemperature -25 to +80 °C (-13 to 176 °F), ±0.4 °C (±0.72 °F) between 5 and 60 °C (41 to 140 °F); 0.02 °C (0.04 °F) resolution\u003c\/li\u003e\n\u003cli\u003eHumidity 0-100 % RH, ±3 % RH between 20 and 80 % RH\u003c\/li\u003e\n\u003cli\u003eCalculates absolute humidity, dew point and enthalpy\u003c\/li\u003e\n\u003cli\u003eInput for a second, external PT1000 temperature probe (not included), -50 to +400 °C (-58 to 752 °F)\u003c\/li\u003e\n\u003cli\u003eIntegrated KNX bus coupler and room temperature controller (RTR)\u003c\/li\u003e\n\u003cli\u003e2 binary inputs\u003c\/li\u003e\n\u003cli\u003eWhite plastic housing, 71 x 71 x 25 mm (2.8 x 2.8 x 0.98 in), IP20; flush mount; bus powered; ETS application HLK305\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\u003e30541261\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKNX bus voltage\u003c\/th\u003e\n\u003ctd\u003eKNX 21-32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower consumption\u003c\/th\u003e\n\u003ctd\u003eapprox. 240 mW at 24 VDC (bus powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuxiliary supply\u003c\/th\u003e\n\u003ctd\u003eNot required (bus powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring\u003c\/th\u003e\n\u003ctd\u003eTemperature + humidity (sensors in housing); Temperature -25..+80 °C (-13 to 176 °F), res. 0.02 °C (0.04 °F), accuracy ±0.4 °C (±0.72 °F) (5..60 °C (41 to 140 °F)) else ±0.8 °C (±1.4 °F); Humidity 0..100 % rH, res. 0.02 % rH, accuracy ±3 % rH (20..80 %) at +25 °C (77 °F) else ±5 % rH; calculates abs. humidity, dew point, enthalpy; 2nd temperature: external PT1000 input -50..+400 °C (-58 to 752 °F) (accuracy depends on probe; probe not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs \/ outputs \u0026amp; connections\u003c\/th\u003e\n\u003ctd\u003e2 binary inputs; external PT1000 input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection rating\u003c\/th\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e71 x 71 x 25 mm (2.8 x 2.8 x 0.98 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eFlush mount on standard in-wall box, indoor (complete white plastic unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-25 to +80 °C (-13 to 176 °F) (storage -25 to +80 °C (-13 to 176 °F))\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\/2000_HLK\/2600_TTHC_IP20\/2690_00_e3_SK20-TTHC-2B.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\/2000_HLK\/2000_HLK305_APP\/2000_e3_APB_HLK305.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\/2000_HLK\/2000_HLK305_APP\/HLK305_v10.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":50554330382592,"sku":"30541261","price":261.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/4161\/5360\/files\/2690_SK20-TTHC-2B.png?v=1791428609","url":"https:\/\/www.knxsupply.com\/products\/arcus-sk20-tthc-2b","provider":"KNX Supply","version":"1.0","type":"link"}