ANDOVER CONTROLS Relative Humidity Transmitter Wall Mount AND-ZVW-2-V-AC ZVW Series wall mount humidity transmitters combine state of the art digital electronic design with an esthetically pleasing enclosure making them ideal for space monitoring. In addition, they provide excellent accuracy, long-term stability and are the best in the industry for serviceability. The thin-film capacitive HS sensor elements are factory calibrated using NIST traceable calibration equipment, are field replaceable, and never require field calibration. LCD models provide local display of humidity/temperature. We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! shelf 57 (box 2) NT