Temperature& Relative Humidty
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Methodology:
Hobo UX100, Hobo U12, 5 in 1 and Hobo Pro V2 were placed closely at the same height in one room.
Take the measurement every 5 seconds.
Conclusion:
1 both value and trend are inconsistent
2 reason: affected by hand and moisture ？
3 should settled down for a while and then start measurement
Hobo UX100, Hobo U12, 5 in 1 and Hobo Pro V2 were placed closely at the same height in one room.
Take the measurement every 5 seconds.
Conclusion:
1 both value and trend are inconsistent
2 reason: affected by hand and moisture ？
3 should settled down for a while and then start measurement
Light Intensity
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Methodology: Iphone 6, 5 in 1 and Hobo U12
1 same distance from the light source
2 steadily fixed on the table
3 make sure all the data is available
Conclusion
1 same distance from the light source
2 steadily fixed on the table
3 make sure all the data is available
Conclusion
Sound measurement
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Quiet environment: inconsistant
noisy environment: consistent, especially trend
noisy environment: consistent, especially trend