OXYTRANS TR - O₂ Measurement (optical; in-line) OXYTRANS M - O₂ Measurement (optical; portable) CARBOTEC TR-PT - CO₂ Measurement (pressure-temperature) CARBOTEC NIR - CO₂ Measurement (optical) RHOTEC L - Density Measurement in the Laboratory ALCOHOL MONITOR - Measurement of Alcohol RHOTEC ALC-TAX - Certified Alcohol Measurement OECHSLE MONITOR - Measurement of Oechsle ALCOHOL-BRIX MONITOR - Measurement of Alcohol & Brix