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19. FAQ
Q: What is the extension of the log file?
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A: The extension is .TXT or .XLS Using the software interface you can select
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to save this as a text -or Excel file.
Q: What is the format of the log file ?
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A: The format uses columns, an example is given :
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Q: What do the values represent at A1, A2 ,A3 , A7 etc. in the log ?
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A: In the columns after time and date the radiation values are shown of the
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connected instruments In W/m
Q: How do I connect a Pyranometer with PT100 to the Data logger ?
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A: Here is a picture how a PT100 should be connected.
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(PT100 uses four input channels nr 1,2 ,3 and 4)
You have 4 channels left, nr 5,6,7, and 8, to connect other sensors.
Please note that 2 analogue inputs are used for the instrument (differential)
Of course you can decide to use it single ended,
by connecting the – from the instrument to the GND.
Q: Does the internal battery stops working when you power the Logbox SD
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with an external power supply. In this case, will you still have power available
for excitation on the Power Out connection ?
A: The LOGBOX SD has one input for power.
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There you connect either the internal battery or an external power source.
(both is not possible)
So external power will not switch of the battery.
PWR OUT will provide whatever power is connected as power source for the
LOGBOX SD.
Q: Can you explain something how a data logger works ?
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A: Every logger has an A/D converter with a certain resolution (number of
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bits) - you see often 10, 12, 16 or 24 bits resolution
for pyranometers)
2.
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