Humidity, Temperature
and Dew Point Data Logger
with LCD
Specications liable to change without prior warning Issue 7 07/2012 S.L Applies to EL-USB-2-LCD Page 1 of 5
• 0 to 100%RH measurement range
• -35 to +80°C (-31 to +176°F) 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
• High contrast LCD, with two and a half digit temperature
and humidity display function
• Immediate, delayed and push-to-start logging
• Supplied with replaceable internal lithium battery and
Windows control software
• Environmental protection to IP67
Standard Data Logger
(Data Logger, Software on
CD, Battery)
Replacement Battery
BAT 3V6 1/2AA
This standalone data logger measures and stores up to 16,379 relative humidity and 16,379 temperature readings over 0 to 100%RH and
-35 to +80°C (-31 to +176°F) measurement ranges. The user can easily set up the logger and view downloaded data by plugging the data
logger into a PC’s USB port and using the supplied software. Relative humidity, temperature and dew point (the temperature at which water
vapour present in the air begins to condense) data can then be graphed, printed and exported to other applications. The high contrast LCD
can show a variety of temperature and humidity information. At the touch of a button, the user can cycle between the current temperature
and humidity, along with the maximum and minimum stored values for temperature and humidity. The data logger is supplied complete with
a long-life lithium battery, which can typically allow logging for up to 1 year. The data logger is protected against moisture to IP67 when the
protective cap is correctly tted.
* This species the overall error in the logged readings for relative humidity measurements between 20 and 80%RH.
** This species the overall error in the calculated dew point for relative humidity measurements between 40 and 100%RH at 25°C.
*** At temperatures below -20°C (-4°F) the LCD will exhibit slower response times of approximately 10 seconds.
† Depending on sample rate, ambient temperature and use of LCD.
Specications Minimum Typical Maximum Unit
Relative Humidity
Measurement range 0 100 %RH
Repeatability (short term) ±0.1 %RH
Accuracy (overall error) ±3.0* ±5.0 %RH
Internal resolution 0.5 %RH
Long term stability 0.5 %RH/yr
Measurement range -35 (-31) +80 (+176) °C (°F)
Repeatability ±0.1 (±0.2) °C (°F)
Accuracy (overall error) ±0.5 (±1) ±2 (±4) °C (°F)
Internal resolution 0.5 (1) °C (°F)
Dew Point Accuracy (overall error) ±1.1 (±2)** °C (°F)
Logging rate every 10s every 12hr -
Operating temperature range*** -35 (-31) +80 (+176) °C (°F)
1/2AA 3.6V Lithium Battery Life 1 Year

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