Datasheet

When plugged into the USB port of a PC installed with the purpose designed
software under Windows 2000, XP & Vista (32 bit only), EL-USB-RT measures
temperature and relative humidity from -20 to +70°C (-4 to +158°F) and 0 to
100%RH. The PC displays the temperature, humidity and dew point (the temperature
at which water vapor present in the air begins to condense) in real-time and saves it to a le which can store up to 7 day’s worth of data.
This data le is overwritten at the beginning of each new logging session. The software provides the option for the user to save the data le
permanently to the hard-drive. Temperature, relative humidity and dew point can be graphed, printed and exported to other applications.
EL-USB-RT
Real-time USB Temperature
& Humidity Monitor
Specications liable to change without prior warning Issue 7 11/2010 S.L Applies to EL-USB-RT Page 1 of 3
FEATURES
• -20 to +70°C (-4 to +158°F) measurement range
• 0 to 100%RH measurement range
• Dew point indication via Windows control software
• USB interface
• User-programmable alarm thresholds for RH% & T
• Supplied with Windows Control Software
ORDERING INFORMATION
Standard Data Logger
(Data capture device, Software
on CD)
EL-USB-RT
www.lascarelectronics.com
* Range to -40 to +90°C (-40 to +194°F) for occasional use
** Stated accuracy correct following 15 minutes temperature stabilisation in environment
Specications Minimum Typical Maximum Unit
Temperature
Measurement range* -20 (-4) +70 (+158) °C (°F)
Repeatability ±0.3 (±0.6) °C (°F)
Accuracy (overall error) ±1.5 (±3)** °C (°F)
Response time 20 30 sec
Relative Humidity
Measurement range 0 100 %RH
Repeatability (short term) ±0.5 %RH
Accuracy (overall error) (20-80%RH) ±4.5 %RH
Response time 5 sec
Long term stability 1 %RH/Yr
Dew Point
Accuracy (overall error) (25°C, 40-
100%RH)
±2.5 (±5) °C (°F)
Logging rate 1 sec
Operating temperature range -20 (-4) +70 (+158) °C (°F)