The TSI Alnor Micromanometer EBT730 is an easy to operate multipurpose micromanometer. The EBT730 is one of the most advanced micromanometers, featuring an auto-zeroing pressure sensor that increases measurement resolution and accuracy. we have a vintage breen fire equipment co hydrant flow meter. this was pulled from storage for parts or repair. this is untested fully and sold as is, see pictures for condition and specs. ---read important--- items to be shipped must not be paid until handling fee is added or buyer will be defaulted if paid prior to handling fee is added.