Campbell SkyVUE 8, Product Manual

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h1 (5 characters) = 1st Height
If detection status is 1, 2, or 3 h1 = Lowest cloud base reported
If detection status is 4 h1 = Vertical visibility as calculated
If detection status is 0 or 5 h1 = /////
h2 (5 characters) = 2nd Height
If detection status is 2 or 3 h2 = Second cloud base reported
If detection status is 4 h2 = Height of highest signal detected
If detection status is 0, 1, or 5 h2 = /////
h3 (5 characters) = 3rd Height
If detection status is 3 h3 = Third cloud base reported
If detection status is 0, 1, 2, 4, or 5 h3 = /////
flags (8 characters) = Alarm or warning information 4-byte hex coded
Table 6-7: Most significant alarm word for CT25K messages
Bit
1
Description
8000 XXXX Transmitter shut-off
4000 XXXX Transmitter failure
2000 XXXX Receiver failure
1000 XXXX DSP, voltage or memory failure
0800 XXXX Reserved for future use
0400 XXXX Reserved for future use
0200 XXXX Reserved for future use
0100 XXXX Reserved for future use
0080 XXXX Window contaminated
0040 XXXX Battery low
0020 XXXX Transmitter expire warning
0010 XXXX Heater or humidity sensor failure
0008 XXXX High radiance warning, also XXXX 0004
0004 XXXX DSP, receiver, or laser monitor failure warning
0002 XXXX Relative humidity > 85 %
0001 XXXX Light path obstruction, receiver saturation or receiver failure
1
Alarm words are sum of error bits.
SkyVUE™8 (CS136) LIDAR Ceilometer 86