Features & Applications:

The USB Temperature and Humidity Data Logger is the ultimate data logger, capable of storing up to 16,382 RH and 16,382 temperature readings, which can easily be downloaded to a PC and graphed, printed and exported to other applications. The data logger also allows you to set your own preferences for logging rate and start-time.

The USB Temperature and Humidity Data Logger has a number of useful features, including programmable alarm thresholds, dew point indication, and easy to read status indication. The unit is also waterproof, and includes a replaceable internal lithium battery. The supplied Windows Control Software gives you everything you need to get started quickly, and is compatible with Windows 98, 2000 and XP (Home and Professional Editions).

• Waterproof - can be submerged in 4 feet of water
• 0 to +100% RH
• -31 to 176°F (-35 to +80°C) measurement range
• Dew point indication via Windows Control Software
• USB Interface for Set-up and data download
• User-programmable alarm thresholds for %RH & T
• Status indication via red and green LEDs
• Supplied with replaceable internal lithium battery and Windows Control Software
• Environmental protection to IP67

Operating Systems:

Windows 98, 2000 and XP (Home and Professional Editions)

Spec Summary:

Relative humidity
Measurement range:	0 to 100%RH
Accuracy (overall error)(20-80%RH):	±3.5**
Temperature
Measurement range:	-31 to 176°F (-35 to +80°C)
Accuracy (overall error):	±2°F(±1°C)/max. ±5°F(±2.5°C)
Dew Point
Accuracy (overall error) (77°F/25°C, 40to 100%RH):	±4°F(±2°C)***
Operating temperature range:	-31 to 176°F (-35 to 80°C)
1/2AA 3.6V Lithium Battery Life*:	1 year

*Depending on sample rate, ambient temperature and use of alarm LEDs
** This specifies the overall error in the logged readings, for relative humidity measurements between 20 and 80%RH.
***This specifies the overall error in the calculated dew point, for relative humidity measurements between 40 and 100%RH at 77°F (25°C).