Accurately Detect Low Concentration Toxic Gases, Using High Sensitivity Sensors COSMOS Personal Gas Monitor XX-2200 Series Carbon monoxide detector (Actual size) • Can be used continuously for 5000 hours. • Available with loud buzzer, alarm lamp from 4 dimensions, peak hold function. • Available with TWA (Time Weighted Average) gas concentration display, memory of peak value, and peak hold function. • Thin, lightweight design. • Available with gas calibration kit (Optional) *1 Under identical measuring conditions. *2 Assuming 90% response and operating at 20 ±2°C. *3 Battery life may vary with ambient conditions, conditions of use, storage period: