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Temperature Sensor:
Range: 0° to 50°C (32° to 122°F)
Accuracy: ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F)
Resolution: 0.024°C at 25°C (0.04°F at 77°F)
Response Time: 12 minutes to 90% in airflow of 1 m/s (2.2 mph)
RH Sensor:
Range: 1% to 90% RH (non-condensing)
Accuracy: ±2% from 20% to 80% typical to a maximum of ±4.5% including hysteresis at 25°C (77°F); below 20% and above 80% ±6% typical
Resolution 0.01%
Response Time: 1 minute to 90% in airflow of 1 m/s (2.2 mph)
CO2 Sensor:
Range: 0 to 5,000 ppm
Accuracy: ±50 ppm ±5% of reading at 25°C (77°F), less than 90% RH (noncondensing) and 1,013 mbar
Response Time: 1 minute to 90% in airflow of 1 m/s (2.2 mph)
Sensing Method: Non-dispersive infrared (NDIR) absorption
Wireless Data Standard: Bluetooth Low Energy (Bluetooth Smart)
Memory: 128 KB (84,650 measurements, maximum)
Power Source: 4 AA 1.5 Volt batteries (user replaceable) or USB power source (5 V DC, 2 Watts)
Logging Rate: 1 second to 18 hours
Size: 7.62 x 12.95 x 4.78 cm (3.0 x 5.1 x 1.88 inches)
Weight: 267.4 g (9.43 oz)
Environmental Rating: IP50
