MX1102A
HOBO Carbon Dioxide/Temp/RH Data Logger
Bluetooth-enabled logger
Important Information
Requires either Onset's HOBOware software or a compatible mobile device or Windows computer and the HOBOconnect app. System requirements for the app can be found at the bottom of the HOBOconnect software page.
Compatible with
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.
Add the MX Gateway for remote access to your data in our HOBOlink cloud software.
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
Compatible items
Software
Communication Cables
Communications
Compliance Certificates
NIST Setup & Certifications
Protective Enclosures
What's in the box
- HOBO MX1102 CO2 Data Logger
- Four AA 1.5 V alkaline batteries
FAQs
The temperature sensor can measure temperatures ranging from 0° to 50°C (32° to 122°F).
The accuracy is ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F).
The resolution is 0.024°C at 25°C (0.04°F at 77°F).
The temperature sensor has a drift of less than 0.1°C per year (0.18°F per year).
The relative humidity sensor can measure humidity from 1% to 90% RH (non-condensing).
The accuracy of the relative humidity sensor is:
±2% from 20% to 80% (maximum of ±4.5% including hysteresis at 25°C or 77°F)
Below 20% and above 80%, the accuracy is ±6% typical
The resolution of the relative humidity sensor is 0.01%.
The relative humidity sensor has a typical drift of less than 1% per year.
The CO2 sensor can measure concentrations from 0 to 5,000 ppm.
The accuracy of the CO2 sensor is ±50 ppm ±5% of reading at 25°C (77°F), less than 90% RH (non-condensing), and 1,013 mbar.
The warm-up time is 15 seconds.
The CO2 sensor can be calibrated automatically or manually to 400 ppm.
The non-linearity is less than 1% of full scale.
The pressure dependence is 0.13% of the reading per mm Hg, corrected via user input for elevation/altitude.
The operating pressure range is 950 to 1,050 mbar. Use altitude compensation for outside of this range.
The compensated pressure range is -305 to 5,486 m (-1,000 to 18,000 ft).
The sensing method is non-dispersive infrared (NDIR) absorption.
The typical response time to reach 90% in airflow of 1 m/s (2.2 mph) is 12 minutes.
The typical response time to reach 90% in airflow of 1 m/s (2.2 mph) is 1 minute.
The typical response time to reach 90% in airflow of 1 m/s (2.2 mph) is 1 minute.
The logger has a transmission range of approximately 30.5 meters (100 feet) line-of-sight.
The logger uses Bluetooth Low Energy (Bluetooth Smart) for wireless data transmission.
The logger operates within a temperature range of 0° to 50°C (32° to 122°F) and 0 to 95% relative humidity (non-condensing).
The logging rate can be set from 1 second to 18 hours.
The logging modes available are fixed interval (normal, statistics) or burst.
The memory modes are wrap when full or stop when full.
The start modes are immediate, push button, date & time, or next interval.
The stop modes are when memory is full, push button, date & time, or after a set logging period.
The time accuracy is ±1 minute per month at 25°C (77°F).
The logger can be powered by 4 AA 1.5 Volt batteries (user replaceable) or a USB power source (5 V DC, 2 Watts).
The battery life is typically 6 months with logging and sampling intervals of 5 minutes or slower. Faster intervals, burst logging, and frequent app use can reduce battery life.
The logger has 128 KB of memory, which can store up to 84,650 measurements.
Data can be downloaded via USB 2.0 interface or Bluetooth Smart.
Downloading the full memory typically takes 20 seconds via USB and approximately 60 seconds via Bluetooth Smart. It may take longer if the device is farther from the logger.
The dimensions are 7.62 x 12.95 x 4.78 cm (3.0 x 5.1 x 1.88 inches), and it weighs 267.4 g (9.43 oz).
The logger has an IP50 environmental rating.
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