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Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. Duct configurations feature a weatherproof Euro style enclosure with a gasketed cover and conformally coated circuit boards for increased moisture resistance in high humidity environments. The sensor is protected by a stainless-steel sintered filter. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596548336,"sku":"ACI-ARH11K2WD","price":518.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-2w-d.jpg?v=1758690959"},{"product_id":"aci-arh11k2wd4x","title":"A\/RH1-1K-2W-D-4X","description":"","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596581104,"sku":"ACI-ARH11K2WD4X","price":520.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/ARH1-1K-2W-D-4X.png?v=1765398261"},{"product_id":"aci-arh11k2wd4xnist","title":"A\/RH1-1K-2W-D-4X-NIST","description":"","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596613872,"sku":"ACI-ARH11K2WD4XNIST","price":582.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/ARH1-1K-2W-D-4X-NIST.png?v=1771855726"},{"product_id":"aci-arh11k2wdnist","title":"A\/RH1-1K-2W-D-NIST","description":"\u003cp\u003eThe ACI Relative Humidity with Platinum RTD Duct Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH duct sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. Duct configurations feature a weatherproof Euro style enclosure with a gasketed cover and conformally coated circuit boards for increased moisture resistance in high humidity environments. The sensor is protected by a stainless-steel sintered filter. Three point NIST Calibration Certificates are available.\u003c\/p\u003e","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596679408,"sku":"ACI-ARH11K2WDNIST","price":567.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-2w-d-nist.jpg?v=1758690963"},{"product_id":"aci-arh11k2wo","title":"A\/RH1-1K-2W-O","description":"The A\/RH Series (resistive temperature output) relative humidity transmitters utilize a capacitive sensing element to deliver a proportional analog output.  The series features on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources.  Field calibration can be performed by using the on board increment and decrement DIP switches.  These enhancements provide increased flexibility and outstanding long-term performance.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596712176,"sku":"ACI-ARH11K2WO","price":526.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-2w-o.jpg?v=1758690964"},{"product_id":"aci-arh11k2wr","title":"A\/RH1-1K-2W-R","description":"The ACI Relative Humidity with Platinum RTD Room Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH room sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Single point field calibration can be performed by using the increment and decrement calibration DIP switches to adjust your curve up or down in +\/- 0.5% increments with each toggle of the corresponding switches. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. There are two enclosure options in this series which should satisfy most commercial decors. Both enclosures feature four-way airflow to minimize self-heating. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596876016,"sku":"ACI-ARH11K2WR","price":492.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-2w-r.jpg?v=1758690962"},{"product_id":"aci-arh11k3wo","title":"A\/RH1-1K-3W-O","description":"The A\/RH Series (resistive temperature output) relative humidity transmitters utilize a capacitive sensing element to deliver a proportional analog output.  The series features on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources.  Field calibration can be performed by using the on board increment and decrement DIP switches.  These enhancements provide increased flexibility and outstanding long-term performance.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596908784,"sku":"ACI-ARH11K3WO","price":515.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-3w-o.jpg?v=1758690964"},{"product_id":"aci-arh11knid","title":"A\/RH1-1K-NI-D","description":"The ACI Relative Humidity Duct utilizes a thermoset polymer capacitive sensing element with a factory ?â?ÇÜ?é?¡fitted hydrophobic fi?â?ÇÜ?é?¡lter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. (For RH\/Temp combination units, please see data sheet for temperature output specifications). The RH duct sensors include on board DIP switches which allow the user to select the desired output signal (0-5 VDC, 0-10 VDC, \u0026amp; 4-20 mA) and can be powered by AC or DC power sources. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the ?â?ÇÜ?é?¡field. Duct confi?â?ÇÜ?é?¡gurations feature a weatherproof Euro style enclosure with a gasketed cover and conformally coated circuit boards for increased moisture resistance in high humidity environments. The sensor is protected by a stainless-steel sintered fi?â?ÇÜ?é?¡lter. Three and Five-point NIST Calibration Certifi?â?ÇÜ?é?¡cates (for RH) are available and must be ordered separately when placing your order.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991596941552,"sku":"ACI-ARH11KNID","price":505.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-d.jpg?v=1758690965"},{"product_id":"aci-arh11knidnist","title":"A\/RH1-1K-NI-D-NIST","description":"The ACI Relative Humidity Duct utilizes a thermoset polymer capacitive sensing element with a factory ?â?ÇÜ?é?¡fitted hydrophobic fi?â?ÇÜ?é?¡lter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. (For RH\/Temp combination units, please see data sheet for temperature output specifications). The RH duct sensors include on board DIP switches which allow the user to select the desired output signal (0-5 VDC, 0-10 VDC, \u0026amp; 4-20 mA) and can be powered by AC or DC power sources. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the ?â?ÇÜ?é?¡field. Duct confi?â?ÇÜ?é?¡gurations feature a weatherproof Euro style enclosure with a gasketed cover and conformally coated circuit boards for increased moisture resistance in high humidity environments. The sensor is protected by a stainless-steel sintered fi?â?ÇÜ?é?¡lter. Three and Five-point NIST Calibration Certifi?â?ÇÜ?é?¡cates (for RH) are available and must be ordered separately when placing your order.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597072624,"sku":"ACI-ARH11KNIDNIST","price":567.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-d-nist.jpg?v=1758690961"},{"product_id":"aci-arh11knio","title":"A\/RH1-1K-NI-O","description":"The ACI Relative Humidity with Nickel RTD Outside Air Series utilizes a thermoset polymer capacitive sensing element with factory applied hygroscopic filter to deliver a proportional analog current or voltage output signal. The hygroscopic filter provides added resistance to moisture, dust, and other chemicals for greater long term reliability. The RH Outside Air transmitter features integral DIP switches for field selection of the proper output signal and supply voltage to meet your applications requirements. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration also can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability. Outside Air configurations feature a weatherproof Euro style enclosure with gasketed cover and conformally coated circuit boards for added moisture and chemical resistance. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597105392,"sku":"ACI-ARH11KNIO","price":515.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-o.jpg?v=1758690980"},{"product_id":"aci-arh11knio4xnist","title":"A\/RH1-1K-NI-O-4X-NIST","description":"The ACI Relative Humidity with Nickel RTD Outside Air Series utilizes a thermoset polymer capacitive sensing element with factory applied hygroscopic filter to deliver a proportional analog current or voltage output signal. The hygroscopic filter provides added resistance to moisture, dust, and other chemicals for greater long term reliability. The RH Outside Air transmitter features integral DIP switches for field selection of the proper output signal and supply voltage to meet your applications requirements. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration also can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability. Outside Air configurations feature a weatherproof Euro style enclosure with gasketed cover and conformally coated circuit boards for added moisture and chemical resistance. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597236464,"sku":"ACI-ARH11KNIO4XNIST","price":589.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-o-4x-nist.jpg?v=1758690971"},{"product_id":"aci-arh11knionist","title":"A\/RH1-1K-NI-O-NIST","description":"The ACI Relative Humidity with Nickel RTD Outside Air Series utilizes a thermoset polymer capacitive sensing element with factory applied hygroscopic filter to deliver a proportional analog current or voltage output signal. The hygroscopic filter provides added resistance to moisture, dust, and other chemicals for greater long term reliability. The RH Outside Air transmitter features integral DIP switches for field selection of the proper output signal and supply voltage to meet your applications requirements. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration also can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability. Outside Air configurations feature a weatherproof Euro style enclosure with gasketed cover and conformally coated circuit boards for added moisture and chemical resistance. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597269232,"sku":"ACI-ARH11KNIONIST","price":577.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-o-nist.jpg?v=1758690964"},{"product_id":"aci-arh11knir","title":"A\/RH1-1K-NI-R","description":"The ACI Relative Humidity with Nickel RTD Room Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH room sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Single point field calibration can be performed by using the increment and decrement calibration DIP switches to adjust your curve up or down in +\/- 0.5% increments with each toggle of the corresponding switches. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. There are two enclosure options in this series which should satisfy most commercial decors. Both enclosures feature four-way airflow to minimize self-heating. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597433072,"sku":"ACI-ARH11KNIR","price":492.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-r.jpg?v=1758690969"},{"product_id":"aci-arh11knir2","title":"A\/RH1-1K-NI-R2","description":"\u003cp\u003eThe ACI Relative Humidity with Nickel RTD Room Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH room sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Single point field calibration can be performed by using the increment and decrement calibration DIP switches to adjust your curve up or down in +\/- 0.5% increments with each toggle of the corresponding switches. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. There are two enclosure options in this series which should satisfy most commercial decors. Both enclosures feature four-way airflow to minimize self-heating. Three point NIST Calibration Certificates are available.\u003c\/p\u003e","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597465840,"sku":"ACI-ARH11KNIR2","price":492.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-r2.jpg?v=1758690959"},{"product_id":"aci-arh11knir2nist","title":"A\/RH1-1K-NI-R2-NIST","description":"The ACI Relative Humidity with Nickel RTD Room Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH room sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Single point field calibration can be performed by using the increment and decrement calibration DIP switches to adjust your curve up or down in +\/- 0.5% increments with each toggle of the corresponding switches. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. There are two enclosure options in this series which should satisfy most commercial decors. Both enclosures feature four-way airflow to minimize self-heating. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597498608,"sku":"ACI-ARH11KNIR2NIST","price":553.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-1k-ni-r2-nist.jpg?v=1758690962"},{"product_id":"aci-arh120kd","title":"A\/RH1-20K-D","description":"The ACI Relative Humidity with Thermistor Duct Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH duct sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. Duct configurations feature a weatherproof Euro style enclosure with a gasketed cover and conformally coated circuit boards for increased moisture resistance in high humidity environments. The sensor is protected by a stainless-steel sintered filter. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597662448,"sku":"ACI-ARH120KD","price":505.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-20k-d.jpg?v=1758690966"},{"product_id":"aci-arh120kdnist","title":"A\/RH1-20K-D-NIST","description":"The ACI Relative Humidity with Thermistor Duct Series utilizes a thermoset polymer capacitive sensing element with a factory fitted hydrophobic filter to improve its moisture resistance. The sensing elements multilayer construction also provides excellent resistance in applications where dust, dirt, oils and common environmental chemicals are found. The RH duct sensors include on board DIP switches which allow the user to select the desired output signal and can be powered by AC or DC power sources. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and wired properly. Field calibration can be performed by using the increment and decrement calibration DIP switches without the need to replace the sensing element. These enhancements provide increased flexibility and outstanding long-term reliability without the need to replace the sensors in the field. Duct configurations feature a weatherproof Euro style enclosure with a gasketed cover and conformally coated circuit boards for increased moisture resistance in high humidity environments. The sensor is protected by a stainless-steel sintered filter. Three point NIST Calibration Certificates are available.","brand":"ACI","offers":[{"title":"Default Title","offer_id":47991597826288,"sku":"ACI-ARH120KDNIST","price":567.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/aci-arh1-20k-d-nist.jpg?v=1758690956"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/collections\/Humidity.png?v=1777649930","url":"https:\/\/www.building-controls.com\/collections\/humidity.oembed?page=42","provider":"Building Controls \u0026 Solutions","version":"1.0","type":"link"}