open-circuit method

o·pen-cir·cuit meth·od

(ō'pĕn-sĭr'kŭt meth'ŏd)
A process for measuring oxygen consumption and carbon dioxide production by collecting the expired gas over a known period of time and measuring its volume and composition.
References in periodicals archive ?
The MPPT open-circuit method corrects for panel temperature changes without the inconvenience of adding a solar panel temperature sensor.