EC155 CO
2
and H
2
O Closed-Path Gas Analyzer
31
7.4
Device Configuration Utility
The
Device Configuration Utility
software may also be used to change settings,
although
ECMon
is generally preferred because of the more user-friendly
interface.
Device Configuration Utility
may be downloaded at
The settings associated with the newer version of the sample cell (EC155
sample cell serial numbers 2000 and greater) and the sonic transducer shadow
correction require that version 2.12 or newer of
Device Configuration Utility
be
used.
After launching the
Device Configuration Utility
, select
EC100
from the list of
device types. If this is the first time connecting it to the computer, click
Install
USB Driver
and follow the onscreen instructions to install the driver before
connecting with the USB cable. Then, with the EC100 connected to the
computer, select the correct USB communication port, and click
Connect
.
Once connected, the
Settings
tab displays all current settings. Click
Apply
to
save any changes.
Device Configuration Utility
is also used to send an updated operating system
to the EC100 electronics. The
Send OS
tab gives directions on this procedure.
The newer design EC155 sample cell (serial numbers 2000 and
greater) requires
Device Configuration Utility
version 2.12 or
newer and EC100 operating system version 6.0 or newer. The
setting for applying a sonic transducer shadow correction requires
EC100 operating system version 6.0 or newer.
8. EC100 Outputs
The EC100 outputs data in one of four types: SDM, USB, RS-485, or analog.
In general, Campbell Scientific, Inc. recommends that SDM be used if a
Campbell Scientific datalogger is responsible for data collection. However,
RS-485 output is recommended over SDM if cable lengths exceed 100 meters
(about 320 ft).
If a PC is being used for data collection, USB and RS-485 are suitable outputs.
Analog output may also be used, however, only CO
2
mixing ratio and H
2
O
mixing ratio will be output. More information regarding each output type is
provided in the sections below.
The EC100 synchronously samples the gas in the EC155 sample
cell and the CSAT3A sonic head. However, a delay induced by
the intake assembly must be accounted for to ensure maximum
covariance. The exact delay will depend on the length and size of
the intake tubing and the pump flow rate. See Appendix
(p. A-1)
, or the CPEC200 manual for
details.
NOTE
NOTE
Содержание EC155
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Страница 89: ...Appendix E Safety Data Sheets SDS E 12 E 3 Decarbite ...
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Страница 93: ...F 1 Appendix F EC155 Packing Information ...
