You Can Upgrade Alnor EBT721 to new EBT731
New balometer from Alnor gives you many cool features, such as detachable digital micromanometer (product main testing panel) 
with intuitive menus, Bluetooth bi-directional communications, built-in duct traverse applications and many plug-and-play optional probes. It comes also with multi-language capability, so you can show off your skills, when you meet you buddies. All those great features and detachable digital micromanometer are available to proud owners of EBT721, and older version
Yellow Jacket