Series 670 continuously senses airflow through the face of the fume hood, ensuring safe levels of fresh air are exhausting potentially hazardous fumes and eliminating operator exposure. Features include a hot-wire sensor to detect low flows, simplified calibration and mounting, LED safe and alarm status indicators, audible alarm with temporary or permanent horn silence, relay alarm output, sash alarm input and an input for night set-back.

Dwyer Instruments Inc., (800) 872-9141