Introduction
The document introduces a new standard for breath testing, focusing on the CO Check + device by MD Diagnostics Ltd, designed to aid smoking cessation efforts.

Calibration and Accessories
To maintain optimal performance, the CO Check + monitors require calibration every six months. Calibration can be performed by the user, with cylinders available in two sizes and necessary accessories provided.

Health Context
Cigarette smoking is highlighted as the leading cause of illness and premature death globally, affecting over 1.3 billion people. The CO Check + is positioned as a tool to support smoking cessation.

Device Specifications

• Gas Detected: Carbon Monoxide
• Concentration Range: 0-500 PPM
• Detection Sensor: Electrochemical fuel cell
• Sensitivity: 1 PPM
• Operation Temperature Range: 0-40 degrees Celsius
• Operation Pressure: Atmospheric +/-10%
• Hydrogen Cross-sensitivity: <5%
• Sensor Life: 2-5 years, with a 6-month warranty
• Sensor Drift: <2% per month
• Display: Graphic LCD
• Power Supply: Single 9v PP3 battery
• Weight: Approximately 160g including battery
• Dimensions: 135mm x 60mm x 30mm
• Indicator Levels: Green 0-6 PPM, Yellow 7-10 PPM, Red 10-20 PPM, Flashing red and audible alarm at 20 PPM and over

Product Catalogue

• CO Check +
• CO Check Pro
• CO Check Baby
• Disposable cardboard Mouthpieces (250/box and 500/box)
• Calibration cylinders (20 litre and 110 litre)
• Control valves for cylinders
• Intermediate plastic adapters (10/pack)

References
The document cites studies on expired air carbon monoxide as a measure of tobacco smoke intake and the relationship between breath carbon monoxide and smoking.

Contact Information
MD Diagnostics Ltd can be contacted via email at [email protected] or through their website www.mdd.org.uk.