HOBO Pendant MX loggers measure temperature (MX2201) or temperature/light (MX2202) in indoor and outdoor environments. Designed for durability, these compact, waterproof loggers can be used in numerous applications, including fresh and salt water. The loggers are Bluetooth® Low Energy-enabled for wireless communication with a mobile device. Using the HOBOmobile® app, you can easily configure the loggers, download logged data to your phone or tablet, or automatically upload the data to HOBOlink® for further analysis. You can also configure the loggers to calculate statistics, set up alarms to trip at specific thresholds, or enable burst logging in which data is logged at a faster interval when sensor readings are above or below certain limits.
This manual covers the setup, operation, and configuration of HOBO Pendant MX loggers, including models MX2201 (temperature) and MX2202 (temperature/light). The loggers are waterproof, Bluetooth Low Energy-enabled, and can be configured via the HOBOmobile app for data download or cloud upload. Features include alarm settings, burst logging, and battery management. The manual also explains logger components, mounting, and troubleshooting connection issues.
The loggers measure temperature from -20°C to 70°C and light from 0 to 167,731 lux, with waterproofing to 30.5 meters. Battery life is up to 2 years with Bluetooth off, and data can be downloaded in approximately 45 seconds. The manual includes instructions for configuring logging intervals, alarms, and passwords, as well as firmware updates and troubleshooting tips.
| Temperature Range (Air) | -20° to 70°C (-4° to 158°F) |
|---|---|
| Light Range (MX2202) | 0 to 167,731 lux (15,582 lum/ft2) |
| Waterproof Depth | 30.5 m (100 ft) |
| Battery Life (Typical) | 1 year at 25°C with 1-minute logging and Bluetooth off; 2 years with Bluetooth off enabled |
| Memory Capacity | 96,000 measurements |
| Dimensions | 3.35 x 5.64 x 1.6 cm (1.32 x 2.22 x 0.63 inches) |
Use the HOBOmobile app and enable Bluetooth on your device. Press the logger’s start button to wake it up, then tap the logger in the app to connect.
Typical battery life is 1 year at 25°C with 1-minute logging and Bluetooth off; 2 years with Bluetooth off enabled.
Open the HOBOmobile app, connect to the logger, and tap ‘Logging Interval’ to choose the desired frequency.
Yes, you can configure alarms to trigger at specific temperature or light thresholds using the HOBOmobile app.