Changes between Initial Version and Version 1 of Sensors/Grimm


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Timestamp:
Apr 26, 2012 4:50:50 PM (7 years ago)
Author:
mark1
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  • Sensors/Grimm

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     1= GRIMM Sky OPC =
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     3The GRIMM Sky OPC is an optical particle counting instrument. It works by combining a laser, mirror and detector to measure the scattering off particles. The laser is focused at the centre of the measuring cell, which is the channel where the particles travel through.
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     5== Raw data format ==
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     7The data format is a comma separated (csv) file which contains the particle counts at the resolution set during collection. It also contains GPS position and time stamps for each measurement epoch.
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     9== Specifications ==
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     11The instrument has 32 channels or "bins" of particle sizes, ranging from 0.25um up to 32um, and is capable of measuring up to 2 million particles per cubic litre.
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     13The air is pumped into the instrument via an inlet nozzle.
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     15It can be operated at different time resolutions ranging from 1 second to 60 minutes.
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