HOBO Pendant MX Water Temperature Data Logger
A waterproof logger that uses the power of Bluetooth to deliver accurate temperature measurements straight to your mobile device or Windows computer running our free HOBOconnect app. Designed for durability, this compact logger is ideal for measuring temperature in streams, lakes, oceans, and soil environments. Data collection in the field has never been easier!
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)!
Mounting Requirements: It is very important that the logger housing does not get distorted when mounted. When mounting these loggers to any non-flat surface, such as rebar or buoy lines, we recommend using the included Mounting Boot (BOOT-MX2201-2202)—also useful for mounting loggers so they can be easily removed for service. Additional mounting boots can be purchased as desired.
- Convenient wireless setup and download via Bluetooth
- Mounting boot included
- Large memory stores 96,000 measurements
- Waterproof to 30 meters (100 feet)
- User-replaceable battery
- Mounting tabs for fast, easy deployment
- LED indicates when temperature exceeds set threshold
- Works with Onset’s free HOBOconnect app
- ±0.5°C (±0.9°F) accuracy
Logger
- Logger Operating Range: -20° to 70°C in air (-4° to 158°F in air)
- Buoyancy (Fresh Water): 2 g positive (0.07 oz positive)
- Waterproof: To 30.5 m (To 100 ft)
- Radio Power: 1 mW (0 dBm)
- Transmission Range: Approximately 30.5 m line-of-sight (Approximately 100 ft line-of-sight)
- Wireless Data Standard: Bluetooth Low Energy (Bluetooth Smart)
- Logging Rate: 1 second to 18 hourS
- Time Accuracy: ±1 minute per month at 25°C (±1 minute per month at 77°F)
- Battery: CR2032 3V lithium, user replaceable
- Memory: 96,000 measurements
- Full Memory Download Time: Approximately 45 seconds; may take longer the farther the device is from the logger
- Wetted Materials: Polypropylene case, EPDM O-ring
- Dimensions: 3.35 x 5.64 x 1.8 cm (1.32 x 2.22 x 0.69 inches)
- Weight: 12.75 g (0.45 oz)
Temperature Sensor (MX2201 and MX2202)
- Range
- 20° to 70°C in air (4° to 158°F in air)
- 20° to 50°C in water (4° to 122°F in water)
- Accuracy: ±0.5°C from -20° to 70°C (±0.9°F from -4° to 158°F)
- Resolution: 0.04°C (0.072°F)
- Drift: <0.1°C per year (<0.18°F per year)
- Response Time
- 17 minutes typical to 90% in air moving 1 m/s, unmounted
- 7 minutes typical to 90% in stirred water, unmounted
Light Sensor (MX2202)
- Range: 0 to 167,731 lux (0 to 15,582 lum/ft2)
- Accuracy: ±10% typical for direct sunlight (see Light Measurement on page 2 for more details)
Light Sensor (MX2202)
- Range: 0 to 167,731 lux (0 to 15,582 lum/ft2)
- Accuracy: ±10% typical for direct sunlight (see Light Measurement on page 2 for more details)