Spectrum Technologies 3440 手持式温度/相对湿度/二氧化碳测量仪 (CO2: 0 - 5000 ppm, -14 to 140°F; 0 to 99.9% RH)

CO2: 

Range: 0 to 5000 ppm

Accuracy: ±50 ppm, ±5% of reading

Pressure Dependence: +1.8% of reading per 10 hPa deviation from 1000 hPa

Temperature: 

Range: -14 to 140°F (-10 to 60°C)

Accuracy: ±0.9°F (±0.6°C)

Humidity: 

Range: 0 to 99.9% RH

Accuracy: ±3% (10-90%), ±5% (other)

Warm Up: 30 seconds

Power: 4 AA batteries (or 9VDC, 1A adaptor, not included)

Battery Life: 24 hours (alkaline)

Manual

Catalog