Sure, [Hunter Scott’s] Breathalyzer can only differentiate ... we know is very difficult to accurately calibrate. But if you want to monkey around with embedded systems you’ve got to have ...

Once home, I immediately found the box and instructional materials for the breathalyzer. In bold letters the importance of sending it in periodically for calibration was right there. But ...

1. Roadside breathalyzer test (handheld): These portable devices are less accurate because officers only calibrate them monthly at best. They help officers gather evidence for an arrest based on ...

BOULDER, Colo. (KKTV/Gray News) – Researchers at the University of Colorado Boulder are trying to develop a breathalyzer that would track marijuana impairment levels in real-time. Although it ...