The Hobo MX2302A is a weatherproof data logger with external temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast setup and data download directly from your mobile device with Onset’s free HOBOconnect app. The MX2302A provides high-accuracy measurements in harsh outdoor environments. You can add the MX gateway for remote access to your data in Onset’s cloud-based HOBOlink software.
It has a convenient wireless setup and download via Bluetooth Low Energy (30 meters range). You can retrieve data in hard-to-reach locations and the visual alarms alert you to out-of-range conditions. It has a compact, weatherproof housing with built-in mounting.
You can view the current data in real time with Onset’s free HOBOconnect app and also share the downloaded data easily from your mobile device.
It has an accuracy of +/- 0,2C° and +/- 2.5% RH.
This data logger operates in indoor and outdoor environments and the MX2302A data logger supports the following measurements: dew point, relative humidity and temperature.
Range MX2302A external temperature sensor: -40 to 70°C
Accuracy: ±0,25°C from -40 to 0°C: ±0,2°C from 0 to 70°C
Drift: <0,01°C per year
Range relative humidity sensor: 0 to 100% RH, -40° to 70°C: exposure to conditions below -20°C or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1%
Accuracy: ±2,5% from 10% to 90% to a maximum of ±3,5% including hysteresis at 25°C: below 10% RH and above 90% RH ±5%
Drift: <1% per year
Operating range: -40° to 70°C
Transmission range: approximately 30,5 m in line-of-sight
Wireless data standard: Bluetooth Low Energy (Bluetooth Smart)
Logging rate: 1 second to 18 hours
Logging modes: fixed interval (normal, statistics) or burst
Memory modes: wrap when full or stop when full
Start modes: immediate, push button, date & time, or next interval
Stop modes: when memory full, push button, date & time, or after a set logging period
Battery type: 2/3 AA 3,6 Volt lithium, user replaceable
Battery life: 2 years
Memory: 128 KB (63.488 measurements)
Environmental rating: NEMA 6 and IP67
CE compliant: the CE Marking identifies this product as complying with all relevant directives in the European Union (EU).