Elias didn't wait. He grabbed the portable gas detector from his belt, but he kept the Drager manual tucked under his arm. As he jogged toward the elevator, the air around him seemed to grow heavier, though he knew it was psychological. The portable detector on his hip let out a single, sharp chirp.
The Drager Pulsar 7000 was the sentry. It was supposed to be the unblinking eye that watched for methane and carbon monoxide. But right now, Unit 4 was blinking a code that Elias had never seen during the weekly simulations. drager pulsar 7000 manual
: Standard units come with mounting plates and weather shields. Core Specifications Elias didn't wait