Air quality meter
Simultaneously monitors carbon dioxide (CO₂), relative humidity and temperature dew point and wet-bulb temperatures can also be displayed
High resolution LCD with backlight display
Displays STEL readings (short-term exposure limit) over a 15-minute period and TWA readings (Time-weighted average) over a period of 8 hours
Maximum, minimum and average functions
Audible warning alarm of excessive CO₂ concentrations
RS-232 serial interface; ; SPECIFICATIONS:; CO₂ ; Range: 0 to 5,000 ppm ; Resolution: 1 ppm ; Accuracy: ±5% rdg. ±50 ppm ; Temperature Range: -10 to 60°C (14 to 140°F) ; Resolution: 0.1°C/°F ; Accuracy: ±0.6°C (±0.9°F) ; Humidity Range: 0 to 99.9% RH ; Resolution: 0.1% RH ; Accuracy: ±3% RH @ 25°C (10 to 90% RH), ±5% RH <10% & >90% ; Dew Point Range: -73.4 to 60°C ; Wet Bulb Range: -13.3 to 60°C ; Response Time: 30 seconds ; Power Supply: 4 x "AA" alkaline batteries ; Battery Life: 24 hours