Professional-Grade CO Detection: Equipped with advanced electrochemical sensor and proprietary embedded software, this portable carbon monoxide sensor (INS-CO-03) delivers accurate, reliable readings of CO concentrations in parts per million (ppm). Triple Alerts for Safety: With a 24-hour TWA and adjustable alarm levels, this portable CO detector lets you set alarm points from 1 ppm to 500 ppm, triggering visual LED indicators, 80–85 dB audible alerts, and vibrating alarms at key thresholds. Intrinsically Safe Build: Designed to ensure reliable performance in potentially explosive environments, this handheld carbon monoxide detector features a shock-resistant & IP67-rated water-resistant housing to withstand harsh & hazardous conditions. Hands-Free Operation: Lightweight and compact, this carbon monoxide monitor includes a rugged steel clip and lanyard loop that allow for hands-free attachment to your gear — ideal for home inspectors, firefighters, EMTs, and other professionals. Long Battery Life: Built for long-term use with minimal maintenance, this portable CO monitor offers up to two years of battery life. The CO alarm features an intuitive interface with a large, clear LCD that displays CO readings from 1 to 1,999 ppm. Stay one step ahead of carbon monoxide hazards with the Sensorcon Inspector Industrial Pro Carbon Monoxide Detector & CO Meter — one of the most trusted portable carbon monoxide detectors and CO detectors for industrial and professional use. Engineered for HVAC technicians, home inspectors, first responders, fire marshals, and indoor air quality professionals, this rugged, professional-grade device delivers fast, accurate CO readings from 0 to 1999 ppm using an advanced electrochemical sensor and proprietary embedded software. The large, high-visibility LCD display and intuitive controls make operation simple, even in demanding field environments. Built tough with a waterproof and dustproof casing, lanyard loop, and heavy-duty alligator clip, the Inspector Industrial Pro is ready to go wherever your job takes you. Triple alarm protection — including bright visual LED alerts, an 80–85 dB audible alarm, and a built-in vibrating alert — ensures you're instantly notified of rising CO levels. Factory-set alarms indicate NIOSH-defined 8-hour TWA (35 ppm) and ceiling (200 ppm) limits, with adjustable alarm points starting as low as 5 ppm. The alarm can also be muted for diagnostic work. With up to two years of battery life and virtually no maintenance required, this handheld CO monitor offers dependable, long-term performance. Optional accessories, such as a hand-operated sample pump for flue gas testing, expand its utility even further. Proudly engineered and manufactured in the USA, the Sensorcon Inspector Industrial Pro is the smart, durable CO detection tool trusted by professionals who demand accuracy and reliability on the job.