Ads
related to: jb hvac digital gauges for sale cheap ebay
Search results
Results From The WOW.Com Content Network
The unit controllers typically have analog and digital inputs that allow measurement of the variable (temperature, humidity, or pressure) and analog and digital outputs for control of the transport medium (hot/cold water and/or steam). Digital inputs are typically (dry) contacts from a control device, and analog inputs are typically a voltage ...
AOL Mail offers a secure and user-friendly email service with spam protection, folders, keyboard shortcuts and more.