Measurement probe for sample extraction from gaseous or liquid medium for air and water quality in public places

摘要

The probe features a transition (10) between a sampling portion (22) and a measuring portion (23) containing a sensor (80). The space within a supporting tube (2) is divided by central partitions (4,3) into two sampling sections (14,16) and two measuring sections (13,15). The sample (U) taken from the medium (50) flows through one sampling section (16) and is divided (V,W) between the collinear measuring section (13) and the other sampling section (16). One part (V) attains the sensor and is returned (X) for recombination with the other part (W) and return to the channel (90).