Turbine meter
Turbine meter means a flow meter in which a gas or liquid flow rate through the calibrated tube spins a turbine from which the spin rate is detected and calibrated to measure the fluid flow rate.
Source
40 CFR § 98.238
Scoping language
Except as provided in this section, all terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part.