A follow up: According to Peet Bros web site the Ultimeter 2100 (and
several other models) emit data in 48 byte chunks in Data Logger Mode,
while ultimeter.py (version .20) apparently expects 52 bytes. Could this be
the problem?. Here is a snip from their web site:
- *Data Logger Mode**: to manually select, press CLEAR + WIND SPEED for
3 seconds. ** While in this mode, records are sent out continuously at
up to about 120 per minute. The total record size is 48 hex digits +
header, carriage return and line feed. (All models)*
- *Packet Mode**: to manually select, press CLEAR + WIND CHILL for 3
seconds. While in this mode, one record is output every five minutes (at 5
min past the hour, 10 min past, 15 min past, etc.). The total record length
is 52 hex digits + header, carriage return and line feed. (All models)*
and this:
*DATA LOGGER MODE - RECORD STRUCTURE*
- *Header = !! (or || if in Multiple Output Mode) *
- *Data Fields *
- *1. Wind Speed (0.1 kph) *
- *2. Wind Direction (0-255) *
- *3. Outdoor Temp (0.1 deg F) *
- *4. Rain* Long Term Total (0.01 inches) *
- *5. Barometer (0.1 mbar) *
- *6. Indoor Temp (0.1 deg F) *
- *7. Outdoor Humidity (0.1%) *
- *8. Indoor Humidity (0.1%) *
- *9. Date (day of year) *
- *10. Time (minute of day) *
- *11. Today's Rain Total (0.01 inches)* *
- *12. 1 Minute Wind Speed Average (0.1kph)* *
- *Carriage Return & Line Feed *
**Some instruments may not include field 12, some may not include 11 or 12.
Please contact Peet Bros. if this presents any problem. Total size: 40, 44
or 48 characters (hex digits) + header, carriage return and line feed. *
*PACKET MODE - RECORD STRUCTURE*
- *Header = $ULTW *
- *Data Fields *
- *1. Wind Speed Peak over last 5 min. (0.1 kph) *
- *2. Wind Direction of Wind Speed Peak (0-255) *
- *3. Current Outdoor Temp (0.1 deg F) *
- *4. Rain Long Term Total (0.01 in.) *
- *5. Current Barometer (0.1 mbar) *
- *6. Barometer Delta Value(0.1 mbar) *
- *7. Barometer Corr. Factor(LSW) *
- *8. Barometer Corr. Factor(MSW) *
- *9. Current Outdoor Humidity (0.1%) *
- *10. Date (day of year) *
- *11. Time (minute of day) *
- *12. Today's Rain Total (0.01 inches)**
- *13. 5 Minute Wind Speed Average (0.1kph)* *
- *Carriage Return & Line Feed*
**Some instruments may not include field 13, some may not include 12 or 13.
Please contact Peet Bros. if this presents any problem. *
*Packet Mode records are output every five minutes: first, upon selection
of Packet Mode; then, at every 5 minutes past the hour (12:00, 12:05,
12:10, etc.), continuosly.*
*Total size: 44, 48 or 52 characters (hex digits) + header, carriage return
and line feed. *
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