Specialized portable analyzer for tetrahydrothiophene (THT) odorant detection and measurement. Electrochemical sensor technology with rapid response time and high accuracy. Detection range 0-10ppm and 0-100ppm options available. Ideal for natural gas utilities, pipeline operators, and odorant service providers. Essential for odorant fade monitoring, quality control, and regulatory compliance verification. Durable, weather-resistant design for outdoor field applications.