LOGIC 400 AND 450 SERIES
Aim Safety USA, Inc.: Single-sensor pocket monitor. Handheld and computerized. 400 Series is a five-ounce, go-no-go hazard alarm detector. Features include lithium camera battery (18-month lifespan); 18-month sensor life; simple calibration with single-span adjustment; water- and shock-resistant case; optional earphones; and extra loud alarms. The 5.5-ounce 450 Series adds a high-contrast numerical level display to 400 Series. Allows user to accurately view parts per million of a toxic gas or percent volume of oxygen in the air. Features include lithium camera battery (eight-month lifespan) and simple calibration with ON/OFF switch and dual zero and span adjustment. Sensor selections for both models include oxygen, carbon monoxide, hydrogen, sulfide, chlorine, ammonia, and sulfur dioxide.