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Highlights
- l USB interface directly communicate with PC for setup and data download
- l User can set access password for data logger
- l User can name each channel and enable/disable specified channel freely
- l LED alarm enable/disable, LED alarm hold enable/ disable and alarm limit settings for all channels via
- DGraphTM
- l User can input formula to customize compound graph from selected logging data
- l User can create and customize new unit easily and freely for all measurement parameters
- l Logging status indication via red/green LED and battery status indication via yellow LED
- l Start logging method: Immediately, Button, Delayed
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Measurement
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Relative Humidity
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Measurement range
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0~100%RH
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Accuracy(Typ.)Figure 1
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+-3%RH
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Resolution
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0.1%RH typically
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Long Term Drift
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<0.5%RH per year
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Temperature
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Measurement range
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-35~80C(-31~176F)
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Accuracy(Typ.)Figure 2
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+-0.3C(+-0.5F)
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Resolution
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0.1C / 0.2F
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Long Term Drift
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Negligible
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General
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Number of Channels
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Double Channels (One for humidity and the other for temperature)
User can enable/disable any channels when setup via DGraphTM
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Memory Capacity
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64KBytes(Total 32,000 readings for all channels)
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Sample Rate
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Can be selected from 10 seconds to 12 hours
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Start Method
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Immediately, Start by button, and Start at date&time
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Stop Method
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Stop when memory full, overwrite when memory full, and stop until specified number of sample points
finished
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Sample Mode
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Instant(default), average, maximum and minimum
This will decide how to dispose data at idle time between a sample interval
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Button
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Software config to start logging bybutton, or clear and reset LED alarm when LED alarm is hold
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LED
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Red&green LED: Logger Status indication(Include Delay to Start, Logging, Alarm, Finished)
(Sofware can disable this two LED for saving power)
Yellow LED: Low battery indication
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Alarm
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User programmable high or low alarm limit for each channel(If necessary)
LED alarm and hold
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Communication
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Direct USB connection
Need to install the driver provided on CD
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PC Software
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DGraphTM software and USB driver required (Included on CD)
(Compatible with Windows XP, Windows Vista, Windows 7&8(32 bit & 64bit Versions))
Use these software to setup, download, view graph and analyse data
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Power Supply
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User replaceable 1/2AA 3.6V Lithium Battery 1200mAh
NOTE: USB interface can supply power directly if necessary
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Battery Life
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Approx. 2 Years @ 1 Minute Sample Rate
Approx. 4 Years @ 10 Minute Sample Rate
Approx. 8 Years without any sample task
NOTE: It also Depends on ambient temperatures and using of LEDs
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