Onset is introducing their HOBO Pendant MX2202 Temperature Light Data Logger. The HOBO Pendant MX2202 utilizes Bluetooth Low Energy (BLE) to generate accurate temperature and relative light-level measurements directly to iOS or Android mobile devices. The compact, rugged design makes for reliable use in even the harshest of environments.
|Temperature Sensor (MX2201 and MX2202)|
|Range||-20° to 70°C (-4° to 158°F) in air
-20° to 50°C (-4° to 122°F) in water
|Accuracy||±0.5°C from -20° to 70°C (-4° to 158°F)|
|Drift||<0.1°C (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 (15,582 lum/ft2)|
|Accuracy||±10% typical for direct sunlight (see Light Measurement on page 2 in the manual for more details)|
|Radio Power||1 mW (0 dBm)|
|Transmission Range||Approximately 30.5 m (100 ft) line-of-sight|
|Wireless Data Standard||Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0)|
|Logger Operating Range||-20° to 70°C (-4° to 158°F) in air|
|Logging Rate||1 second to 18 hours|
|Buoyancy (Fresh Water)||2g (0.07 oz) positive|
|Waterproof||To 30.5 m (100 ft)|
|Battery||CR2032 3V lithium, user replaceable|
|Battery Life||1 year typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software.
2 years typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off enabled in software.
Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life.
To ensure proper battery installation, see Battery Information for detailed instructions on replacing the battery.
|Time Accuracy||± 1 minute per month at 25°C (77°F)|
|Full Memory Dowload||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 1.6 cm (1.32 x 2.22 x 0.63 inches)|
|Weight||12.75 g (.45 oz)|
|The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.|
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