T6613-5KC - 

Telaire® 6613 CO2 Module
Small, Compact CO₂ Module Designed to Integrate Into Existing Controls and Equipment The module is ideal for customers who are familiar with the design, integration, and handling of electronic components. All units are factory calibrated to measure CO₂ concentration levels up to 2000 ppm. Telaire® dual channel sensors are available for higher concentrations.
Features:

An Affordable Gas Sensing Solution for OEMs

A Reliable Sensor Design Based on 15 Years of Engineering and Manufacturing Expertise

Flexible CO₂ Sensor Platform Designed to Interact with Other Microprocessor Devices

Eliminates the Need for Calibration in Most Applications with Patented ABC Logic Software

Non-Dispersive (NDIR), Gold-Plated Optics, Diffusion or Flow Through Sampling (with Telaire's Patented ABC Logic Self Calibrated Algorithm)

Lifetime Calibration Warranty