Compact DVZ flow meter measures and monitors flow of low-viscosity liquids. The use of the vortex principle makes it maintenance-free. It is available in NPT sizes of 1 /4 to 1 in. and is rated for flows of 0.13-1.2 to 1.1-8.5 gpm with a 1-sec response time and repeatability of ±1% F.S.

Kobold Instruments Inc., (412) 788-2830, www.koboldusa.com