{"product_id":"aci-a-rh2-an-0-relative-humidity-transmitter-outside-air-2-accuracy","title":"Aci A\/RH2-AN-0 relative humidity transmitter outside air 2% accuracy","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACI A\/RH2-AN-0 Relative Humidity Transmitter is engineered for precise outside air humidity monitoring in HVAC and Building Automation Systems. It incorporates a capacitive humidity sensor and a 10K Type 3 Thermistor for temperature sensing. This device offers field-selectable 4-20 mA, 0-5 VDC, or 0-10 VDC outputs and operates on 12-40 VDC or 18-28 VAC power. Each unit is calibrated using a NIST Traceable Temperature\/Humidity Chamber, ensuring accuracy for critical environmental control.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eField-selectable current or voltage outputs for versatile integration.\u003c\/li\u003e\n  \u003cli\u003eDuct and OSA twist-off NEMA 4 housing provides weatherproof protection.\u003c\/li\u003e\n  \u003cli\u003eIntegrated 10K Type 3 Thermistor for optional temperature sensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eAccurate relative humidity monitoring for outside air applications with field-selectable outputs and robust weatherproof housing.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: A\/RH2-AN-0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: ±2% @ 77°F (25°C) from 10% to 95%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing Material\u003c\/strong\u003e: Poly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type\u003c\/strong\u003e: 10K Type 3 Thermistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Signal\u003c\/strong\u003e: 4-20 mA @ 300Ω, 0-5\/10 VDC @ 4kΩ min (field selectable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 12-40 VDC or 18-28 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Outdoor Air Humidity, Economizer Control, Psychrometric Calculations, Enthalpy, Dew Point, Wash Down Applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: OSA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStability\u003c\/strong\u003e: ±2% RH\/5 years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e: 0% to 100%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensing Technology\u003c\/strong\u003e: Capacitive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -40° to 140°F (-40° to 60°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e: Plastic weatherproof\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"ACI","offers":[{"title":"Default Title","offer_id":51383121871154,"sku":"A\/RH2-AN-0","price":252.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312667128.jpg?v=1782588169","url":"https:\/\/voomisupply.com\/products\/aci-a-rh2-an-0-relative-humidity-transmitter-outside-air-2-accuracy","provider":"Voomi Supply","version":"1.0","type":"link"}