The Hawk Model 140MX oscillatory flow meter utilizes a specially designed geometric shape to produce self-induced oscillations; it has no moving parts or bluff bodies. Able to handle high-viscosity fluids and low flow rates, the meter has a typical accuracy of 1% of flow rate, a repeatability of 0.25% of flow rate and a flow turndown of 12:1.
 
Hawk Measurement; 888-429-5538; www.hawkmeasure.com