Spectrum WatchDog 1000 Series Micro Dataloggers

Product characteristics:

• The cost-effective choice for recording multiple environmental conditions
• Internal sensors can include temperature and humidity
• Up to 4 external sensor ports lets you choose the sensors you need
• LCD displays current sensor readings and battery level
• Select measurement intervals from 1 to 60 minutes
• Log 10,584 intervals (220 days at 30 minute intervals)
• Water-resistant case
• 12 month battery life (CR2450, included)

Functional comparison table: