Seametrics DO2 Manuale utente
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DO2DO2
Dissolved Oxygen
Smart Sensor and Datalogger
Instructions
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 3 seametrics.com
Introduction .....................................................................................................................................4
What is the Seametrics DO2 Sensor?...............................................................................................4
Initial Inspection and Handling ..........................................................................................................4
Do’s and Don’ts........................................................................................................................................4
Installation and Operation...........................................................................................................5
Connecting the DO2 to a Computer................................................................................................5
Installing the Aqua4Plus Software ....................................................................................................5
Installing the Sensor...............................................................................................................................6
Real-time Data ..........................................................................................................................................6
Data Logging.............................................................................................................................................7
Reports.........................................................................................................................................................9
Maintenance .................................................................................................................................. 12
Troubleshooting ........................................................................................................................... 13
Erratic Readings..................................................................................................................................... 13
Grounding Issues.................................................................................................................................. 13
Appendix A: Technical Specications................................................................................... 14
Appendix B: Field Calibration ................................................................................................ 16
Appendix C: Reading the Seametrics DO2 Sensor
via Direct Read...................................................................................................................... 17
Reading Via Modbus®......................................................................................................................... 17
Setting Baud Rate................................................................................................................................. 17
Reading Via SDI-12 .............................................................................................................................. 18
Appendix E: Error Code Chart ............................................................................................... 20
Limited Warranty/Disclaimer - Seametrics DO2 Dissolved Oxygen Sensor ........ 23
©1997 - 2016 Seametrics. All rights reserved.
Registered trademarks and trademarks belong to their respective owners.
TABLE OF CONTENTS
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 4 seametricscom
What is the DO2 Sensor?
The Seametrics DO2 Smart Sensor is the next generation in trouble-free oxygen
sensing design. Utilizing uorescence of a stable, immobilized ruthenium-based
lm matrix, the sensor provides precision optical transmission and detection to
measure oxygen concentration in the uid outside of the sensor.
This industry standard digital RS485 interface device records over 250,000 records
of dissolved oxygen, temperature, and power supply voltage data, operates with
low power, and features easy-to-use software with powerful features.
The unit is programmed using the easy-to-use Aqua4Plus control software. Once
programmed the unit will measure and collect data on a variety of time intervals.
The internal microprocessor runs on 12 VDC and automatically turns the sensing
unit on and o, as needed, to conserve power.
Initial Inspection and Handling
Upon receipt of your smart sensor, inspect the shipping package for damage. If
any damage is apparent, note the signs of damage on the appropriate shipping
form. After opening the carton, look for concealed damage, such as a cut cable. If
concealed damage is found, immediately le a claim with the carrier.
Do’s and Don’ts
Do handle the device with care.
Do store the device in a dry, inside area
when not in use.
Do install the device so that the connec-
tor end is kept dry.
Don’t scratch the sensing window.
Don’t support the device with the con-
nector. Use a strain relief device to
take the tension o the connec-
tors.
Don’t allow the device to free-fall down
a well as impact damage can oc-
cur.
Don’t bang or drop the device on hard
objects.
INTRODUCTION
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 5 seametrics.com
Connecting the DO2 to a Computer
The DO2 cable is terminated with a weather-resistant connector. Connect the
weather-resistant connector to your computer’s USB port as shown below.
Installing the Aqua4Plus Software
The Seametrics DO2 sensor comes with the Aqua4Plus host software that is installed
on your PC or laptop. Use this software to program the datalogger, to retrieve
data from the logger, to view collected data, and to export data to external les
for use with spreadsheets or databases.
Refer to the Aqua4Plus software manual for details on installing and using
Aqua4Plus.
Using the Sensor Without Aqua4Plus
Most users will use the sensor with Seametics Aqua4Plus software. However, this
sensor is quite versatile, allowing you to do the following:
• Read via the Modbus®protocol using your own software.
• Read via SDI-12 protocol.
• Display readings on a panel meter.
If you want to use one of these methods, see Appendix C or contact Seametrics
for further details.
INSTALLATION AND OPERATION
Cap
Sensor
Cableless
Configuration
PC or Laptop
USB Port
USB to RS485
Adapter
Sensor
Aux. Box
Sensor Cable
Connect the sensor to an auxiliary power supply
then to your PC using USB to RS485 adapter.
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 6 seametricscom
Installing the Sensor
Lower the sensor to the desired depth. Fasten the cable to the well head using tie
wraps or a weather proof strain-relief system. Take a measurement to insure the
sensor is not installed below its maximum range.
Be sure the supplied cap is securely placed on the weather-resistant connector
at the top of the cable. Do not install such that the connector might become
submerged with changing weather conditions. The connector can withstand
incidental splashing but is not designed to be submerged.
INSTALLATION AND OPERATION
Real-time Data
Connect to sensor and select the Real-time data tab
To start real-time readings click Start, readings default to table view. To switch to
Real-time graphing view click the graph icon
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 7 seametrics.com
INSTALLATION AND OPERATION
Real-time readings default to a 1 second interval for 1 minute, to adjust enter your
desired settings here:
To save this data to the Reports section click the button located next to the
Single button in the Real-Time tab. This will permanently save this real-time
data set to your Reports database.
Data Logging
Select Set Up Logging from the sensor screen. If there are no les currently on
the sensor you’ll see the Set Up Logging button active under the Data Files tab
as well as in the upper menu. Once les have been started/logged on the sensor
they will be displayed under the Data Files tab.
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 8 seametricscom
INSTALLATION AND OPERATION
Set Up Logging Window
Here you will name your data le and set up the recording interval and duration
of each logging phase. Select your desired recording interval and duration for
each phase, Aqua4Plus 2.0 will display the available memory at the bottom of
the window.
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 9 seametrics.com
INSTALLATION AND OPERATION
Reports
Data downloaded from your sensor is stored in the Reports section of
Aqua4Plus 2.0 for viewing and editing. The les will be saved to default data
folder on your PC as well. See Program Settings for default data folder location.
In the main view you’ll see a list of reports sorted by date, size, or le name as
selected here:
You can also search reports by keyword using the search box
Click on a report to bring up the report details.
Reports are displayed in graphing view by default. You can zoom to specic
sections by selecting a section with you mouse or by adjusting the slider below
the graph.
DO2 INSTRUCTIONS
Seametrics • 253.872.0284 Page 10 seametricscom
INSTALLATION AND OPERATION
Click to view data as a table
Click to view data statistics
Click to switch to full screen graphing view
Graph saving and export options are available here:
You may change the display units within the graph view by selecting the
appropriate channel here:
Indice
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