HOBO Carbon Dioxide/Temp/RH Data Logger
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Overview
Measures and records CO2 in buildings and other non-condensing environments. Works with our free HOBOconnect app for data access right from your mobile phone, tablet, or Windows computer when within 100 feet of the logger.
This logger also features a USB port so it can be used with a computer running HOBOware graphing & analysis software.
Purchase an MX Data Plan to get more out of your data and access it from anywhere using the LI-COR Cloud software platform (formerly HOBOlink)! You can also purchase the MX Gateway station, which automatically sends your logger's data to LI-COR Cloud.
Features
- Wireless communication via Bluetooth technology
- Six-month battery life at 5-minute CO2 logging rate
- Easy to deploy and offload using free HOBOconnect app
- Visual and audible high & low alarm thresholds
- Self-calibrating NDIR CO2 sensor technology ensures optimal accuracy and lower maintenance costs
- Patented connectivity technology
Specifications
Temperature Sensor
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0° to 50°C32° to 122°F
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±0.21°C from 0° to 50°C, see manual for plot±0.38°F from 32° to 122°F, see manual for plot
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0.024°C at 25°C , see manual for plot0.04°F at 77°F , see manual for plot
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<0.1°C per year0.18°F per year
RH Sensor*
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1% to 90% RH (non-condensing)
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±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
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0.01%
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<1% per year typical
CO2 Sensor
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0 to 5,000 ppm
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±50 ppm ±5% of reading at 25°C (77°F), less than 90% RH (non-condensing) and 1,013 mbar
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15 seconds
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Auto or manual to 400 ppm
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<1% of FS
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0.13% of reading per mm Hg (corrected via user input for elevation/altitude)
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950 to 1,050 mbar (use Altitude Compensation for outside of this range)
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-305 to 5,486 m-1,000 to 18,000 ft
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Non-dispersive infrared (NDIR) absorption
Response Time
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12 minutes to 90% in airflow of 1 m/s12 minutes to 90% in airflow of 2.2 mph
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1 minute to 90% in airflow of 1 m/s1 minute to 90% in airflow of 2.2 mph
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1 minute to 90% in airflow of 1 m/s1 minute to 90% in airflow of 2.2 mph
Logger
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1 mW0 dBm
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Approximately 30.5 m line-of-sightApproximately 100 ft line-of-sight
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Bluetooth Low Energy (Bluetooth Smart)
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0° to 50°C ; 0 to 95% RH (non-condensing)32° to 122°F ; 0 to 95% RH (non-condensing)
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1 second to 18 hours
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Fixed interval (normal, statistics) or burst
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Wrap when full or stop when full
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Immediate, push button, date & time, or next interval
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When memory full, push button, date & time, or after a set logging period
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±1 minute per month at 25°C±1 minute per month at 77°F
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4 AA 1.5 Volt batteries (user replaceable) or USB power source (5 V DC, 2 Watts)
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6 months, typical with logging and sampling intervals of 5 minutes or slower; 6 months or less with logging and sampling intervals faster than 5 minutes while logging CO2. Entering burst logging mode will impact battery life. With app use, battery life can be reduced by remaining connected, excessive readouts, audible alarms, and paging. Visual/audible alarms and other events can have a marginal impact on battery life.
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128 KB (84,650 measurements, maximum)
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USB 2.0 interface or via Bluetooth Smart
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20 seconds via USB; approximately 60 seconds via Bluetooth Smart, may take longer the further the device is from the logger
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LCD is visible from 0° to 50°C;LCD is visible from 32° to 122°F;the LCD may react slowly or go blank in temperatures outside this range
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7.62 x 12.95 x 4.78 cm3.0 x 5.1 x 1.88 inches
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267.4 g9.43 oz
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IP50
Notices
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Per RH sensor manufacturer data sheet
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