Logger

Logger Operating Range

-30° to 70°C (-22° to 158°F)

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)

Logging Rate

1 second to 18 hours

Time Accuracy

± 1 minute per month at 25°C (77°F)

Battery

CR2450 3V lithium, not replaceable

Battery Life

1 year, typical with logging interval of 1 minute and Power Saving Mode disabled; 2 years, typical with logging interval of 1 minute and Power Saving Mode enabled. Faster logging intervals, remaining connected with the app, excessive downloads, and paging may impact battery life.

Memory

30,000 Measurements

Full Memory Download Time

Approximately 30 seconds; may take longer the farther the device is from the logger

Dimensions

6.9 x 4.5 x 1.1 cm (2.71 x 1.76 x 0.42 inches)

Weight

25.5 g (0.90 oz)

Environmental Rating

IP67

Temperature Sensor

Range

-30° to 70°C (-22° to 158°F)

Accuracy

±1.0°C from -30° to -5°C (±1.8°F from -22° to 23°F)
±0.5°C from -5° to 50°C (±0.9°F from 23° to 122°F)
±1.0°C from 50° to 70°C (±1.8°F from 122° to 158°F)

Resolution

0.04°C (0.072°F)

Drift

<0.01°C (0.018°F) per year

Response Time

6 minutes typical to 90% in open air moving 1 m/s, unmounted