HOBO MX2201 Pendant Temp logger

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)

Resolution
0.04°C (0.072°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



Logger

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)

Memory
96,000 measurements

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)