HOBO™ Bluetooth Pendant Temperature Data Logger
- Internal Sensors for Temperature Measurements in an Indoor, Outdoor and Underwater Environment
- -20°C to 70°C (Air) or -20°C to 70°C (Water) Measurement Ranges with a +/-0.5°C Accuracy
- Waterproof to 30 Meters (100 ft)
- User-Replaceable Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate)
- Stores up to 96,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available
- Includes Mounting Boot (BOOT-MX2201-2202)
- Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth or Li-Cor Cloud with MX Data Plan (Sold Separately)
HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)
HOBO™ MX2201 Bluetooth Pendant Temperature Data Logger
With the HOBO™ MX2201 waterproof Bluetooth temperature data logger, you can obtain accurate measurements directly to your Android or iOS mobile device (smartphone or tablet). It’s extremely durable, compact and specially made too measure temperatures in oceans, lakes, streams and soil. Get immediate data out in the field and conveniently download to your device using Bluetooth Low Energy (BLE). Deployment is quick and easy with included mounting tabs. The unit includes an LED alarm that lets you know when the temperature has exceeded the set threshold. The data is viewable in Onset’s free HOBOconnect app or sent to the Li-Cor Cloud Platform with an MX Data Plan.
HOBO® MX2201 Pendant Bluetooth Water Temperature Data Logger Specifications
| Data Channels | 1 Temperature Channel |
| Temperature | Measurement Range (Air): -20°C to 70°C (-4°F to 158°F) Measurement Range (Water): -20°C to 50°C (-4°F to 122°F) Accuracy: ±0.5°C at -20°C to 70°C (-4°F to 158°F) Response Time (Air): 17 Minutes typical to 90% in Air Moving @ 1 m/s (2.2 mph) unmounted Response Time (Water): 7 Minutes typical to 90% in Stirred Water, unmounted Resolution: 0.04°C (0.072°F) Drift: <0.1°C (0.18°F) |
| Data Storage Capacity | 96,000 Temperature Readings (When Bluetooth Communications Not Available or Data Logger in Water) |
| Buoyancy (Fresh Water) | 2g (0.07 oz) positive |
| Logging Mode | Fixed Interval (Normal, Statistics) or Burst |
| Memory Mode | Wrap when Full or Stop When Full |
| Start Mode | Immediately, Push Button, Date & Time or Next Interval |
| Stop Mode | Wrap When Data Storage Full, Push Button, Date & Time or After Set Interval |
| LED Indicators | Alarm: Visual LED Status: Visual LED |
| Sampling Rate | 1 Second to 18 Hours (User-Specified) |
| Power Source | CR2032 3 Volt Lithium Battery (User-Replaceable) |
| Battery Life | Bluetooth Always On: 1 Year typical @ 1 Minute Sampling Rate Bluetooth Always Off: 2 Years typical @ 1 Minute Sampling Rate Note: Dependant Upon Environment, Operating Range, Logging Interval, Remaining Connected with the App, Excessive Downloads and Paging My Impact Battery Life |
| Time Accuracy | ±1 Minute per Month @ 25°C |
| Communications | Type: Bluetooth Wireless Wireless Data Standard: Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) Transmission Range: Up to 30.5 Meters (100 ft) Line of Sight in Air Radio Power: 1 mW (0 dBm) Note: Bluetooth Transmission in Air Only. |
| Software | HOBOconnect App for iOS or Android Li-COR Cloud Software Platform with Purchase of MX Data Plan NOTE: Bluetooth 4.0 is Required on your Mobile Device (Phone or Tablet) |
| Operating Range | Temperature: -20°C to 70°C (-4°F to 158°F) |
| Standards Compliance | CE |
| Environment | Primarily Designed for Outdoor Usage |
| Wetted Materials | Polypropylene Case, EPDM O-Ring |
| Weight | 12.75 grams (0.45 oz.) |
| Dimensions | 3.35 cm x 5.64 cm x 1.60 cm (1.32" x 2.22" x 0.63") - Without Mounting Tabs |






