WatchDog Model 1650 Data Logger

Data Loggers are the cost-effective choice for recording environmental conditions over a period of time. Whether your needs are plant disease alerts or soil moisture monitoring, the WatchDog Data Logger will deliver the information you need for timely, accurate data that will result in increased profits. The LCD display confirms logger operation and provides current sensor readings. View the current temperature during a freeze event, or soil moisture prior to irrigating – without downloading to a PC. Customizable with up to four unique external plug-in sensors. Change monitoring parameters from one season to the next, simply by connecting a different sensor - keeping investment costs down while making more profitable decisions. See our WatchDog Data Logger Sensors page. The Radiation Shield is also recommended.
The cost-effective choice for recording multiple environmental conditions
Internal sensors can include temperature and humidity
With up to 4 external sensor ports, you choose the sensors you need
LCD displays current sensor readings and battery level
Select measurement intervals from 1 to 60 minutes
Log 10,080 intervals (209 days at 30 minute intervals)
Data is stored in fail-safe non-volatile memory Water-resistant case
12-month battery life (CR2450, included)
Transfer data with a direct-connect cable or Data Shuttle
Requires SpecWare 9 (v9.2) software (Pro or Basic versions)
Temperature range: -40 to 185ºF (-40 to 85ºC)
Accuracy: ±1.1ºF (±0.6°C) at -4 to 122°F (-20 to 50°C), else ±2.2°F (±1.2°C)
RH range: 0 - 100%, Accuracy: ±3% at 77°F (25°C, 10 - 90%), else ±5%