{"product_id":"siemens-qfm81-21-duct-hygrostat-30-to-90-rh","title":"Siemens QFM81.21 DUCT HYGROSTAT, 30 TO 90% RH","description":"\u003cp\u003eSiemens - QFM81.21 Duct Hygrostat, 30 to 90% RH\u003c\/p\u003e \u003cp\u003eHygrostats are used for controlling and monitoring relative humidity in facilities under HVAC control. They ensure duct humidity control within the selectable range of 15 to 95% relative humidity. The hygrostats do this by controlling humidification or dehumidification equipment. Duct hygrostats can be used as minimum or maximum limiters in the supply air duct.\u003c\/p\u003e\u003cdiv class=\"additional product__details\" style=\"border: none; padding: 0;\"\u003e\n\u003ch2\u003eAdditional Information\u003c\/h2\u003e\n\u003cdiv class=\"product__attribute\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eDegree of protection\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003eIP55\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute product__attribute--odd\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eDigital outputs\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003eCO: 1 , Potential-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eSetpoint setting range\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003e15…95 % r.h.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute product__attribute--odd\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eSwitching differential\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003e4 % r.h.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eOperating voltage\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003eContact Rating: 3A@ 24 Vac\/Vdc Max; 100mA Min\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute product__attribute--odd\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eImmersion length\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003e130…156 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eDimensions (W x H x D)\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003e73 x 140 x 64 (246) mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute product__attribute--odd\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eDigital output, switching current\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003e5 (3)A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product__attribute\"\u003e\n\u003cspan class=\"product__attribute-type\"\u003eDigital output, switching voltage\u003c\/span\u003e\u003cspan class=\"product__attribute-value\"\u003e250 V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43234353152180,"sku":"kpi058-QFM81.21","price":188.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/8484\/3444\/files\/QFM81.21_400x400_b8c4d5c2-eb92-4677-913a-32ec33f1c434.jpg?v=1717397266","url":"https:\/\/kpaulsupply.com\/products\/siemens-qfm81-21-duct-hygrostat-30-to-90-rh","provider":"KPaul Industrial","version":"1.0","type":"link"}