Geotech Seametrics Turbo User manual

PROUDLY
MADE
IN THE
USA
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ISO
9001
Precision Environmental Sensors
An ON
I CON Brand
Turbo
Tubidity Smart Sensor
with Data Logging
For Sales & Service Contact
2650 E. 40th Ave. • Denver, CO 80205
Phone [phone] • Fax [phone]
1-800-833-7958
www.geotechenv.com

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©1997 - 2016 Seametrics. All rights reserved. Registered trademarks and trademarks
belong to their respective owners.

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Introduction .........................................................................................................4
What is the Seametrics Turbo Sensor?
Initial Inspection and Handling ..........................................................................................................4
Do’s and Don’ts........................................................................................................................................4
Installation and Operation ..................................................................................5
Connecting the Turbo to a Computer.............................................................................................5
Installing the Aqua4Plus Software ....................................................................................................5
Installing the Sensor...............................................................................................................................5
Real-time Data ..........................................................................................................................................6
Data Logging.............................................................................................................................................6
Reports.........................................................................................................................................................8
Maintenance ...................................................................................................... 11
Erratic Readings..................................................................................................................................... 11
Grounding Issues.................................................................................................................................. 11
Appendix A: Technical Specications ............................................................. 12
Appendix B: Field Calibration ........................................................................ 13
Appendix C: Reading the Sensor..................................................................... 15
Reading the Turbo Sensor Via Direct Read ................................................................................ 15
Reading Via Modbus®....................................................................................................................... 15
Setting Baud Rate................................................................................................................................. 15
Reading Via SDI-12 .............................................................................................................................. 17
Seametrics Limited Warranty........................................................................... 19
TABLE OF CONTENTS

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What is the Turbo Sensor?
Do handle the device with care.
Do store the device in a dry, inside area
when not in use.
Do install a desiccant tube if using a
gauge sensor.
Do install the device so that the connector
end is kept dry.
Do install so wiper blade is free to move.
Don’t support the device with the
connector. Use a strain relief
device to take the tension o the
connectors.
Don’t allow the device to free-fall down
a well as impact damage can occur.
Don’t bang or drop the device on hard
objects.
Don’t touch or bump the sensor “eye” or
wiper blade.
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
Seametrics’ Turbo Smart Sensor is an
integrated datalogger and turbidity/
temperature sensor. This sensor networks
with all of the Seametrics sensors. This
industry standard digital RS485 interface
device records over 250,000 records of
turbidity, temperature, and time data,
operates with low power, and features easy-
to-use software with powerful features.
The unit is programmed using Seametrics’
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 turbidity
sensing unit on and o, as needed, to
conserve power. A built in wiper cleans the
sensing eye each time power is applied to
the sensing unit.
INTRODUTION

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Connecting the Turbo to a Computer
The Turbo 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 Turbo 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 Seametrics’ 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.
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. When securing a vented cable, make sure not to
pinch the cable too tightly or the vent tube inside the cable jacket may be sealed o. 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
PC or Laptop
USB Port
USB to RS485
Adapter
Sensor
Aux. Box
Sensor Cable

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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
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.

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INSTALLATION AND OPERATION
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.
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.

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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 specic sections by
selecting a section with you mouse or by adjusting the slider below the graph.

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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:

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INSTALLATION AND OPERATION
A Word About Units
Temperature readings from the sensor can be displayed in various units, such as degrees
Celsius or degrees Fahrenheit for temperature. Select the units you want from the
Sensor Settings menu. Turbidity is always in NTU.
The Information tab is a new feature allowing users to add metadata to their reports such
as site location, eld notes, or comments. The Schedule tab will display the logging setup
details for the report.
Click Export to export the report as a .csv le or .a4d le for distribution or use in 3rd party
software.
Click Delete to delete the report from Aqua4Plus 2.0
You can also import .a4d les from compatible sensors into Aqua4Plus 2.0 by clicking at
the top of the Reports screen.

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Erratic Readings
Erratic readings can be caused by a poor connection, damaged cable, moisture in the
unit, or a damaged transmitter. In most cases, erratic readings are due to moisture
getting into the system. The rst thing to check is the connection. Look for moisture
between contacts or a loose or broken wire. Next, check the cable for cracking or
fraying. If the connections and cable appear OK, but the readings are still erratic, the
transmitter may be damaged. Contact Seametrics for evaluation and repair. Erratic and
erroneous readings can also occur due to improper grounding. See Grounding Issues,
below.
Grounding Issues
It is commonly known that when using
electronic equipment, both personnal and
equipment need to be protected from
high power spikes that may be caused
by lightning, power line surges, or faulty
equipment. Without a proper grounding
system, a power spike will nd the path of
least resistance to earth ground – wether
that path is through sensitive electronic
equipment or the person operating the
equipment. In order to ensure safety and
prevent euqipment damage , a grounding
system must be used to provide a low
resistance path to ground.
Whenusing severalpieces ofinterconnected
equipment, each of which may have its
own ground, problems with noise, signal
interference, and erroneous readings may
be noted. This is caused by a condition
known as a Ground Loop. Because of natural
resistance in the earth between the
grounding points, current can ow between
the points, creating an unexpected voltage
dierence and resulting erroneous
readings.
The single most important step in
minimizing a ground loop is to tie all
equipment (sensors, dataloggers, external
power sources and andy other associated
equipment) to a single common
grounding point. Seametrics recommends
connecting the shield to ground at the
connector end.
MAINTENANCE
Sensor: There are no user-serviceable
parts. If problems develop with sensor
stability or accuracey, contact Seametrics.
If the unit has been exposed to hazardous
materials, do not return without notication
and authorization.
Cable: Cable can be damaged by abrasion,
sharp objects, twisting, crimping, crushing,
or pulling. Take care during installation
and avoid cable damage.
End Connections: The contact areas (pins
& sockets) of the connectors will wear out
with extensive use. If your application
requires repeated connections other
types of connectors can be provided.
The connectors used by Seametrics are
not submersible, but are designed to be
splash-resistant.
Wiper Blades: The eectiveness of
the wiper in maintaining a clean optical
surface will eventually be compromised,
the rate being dependent on the water
under investigation and the number of
wiping cycles carried out. We recommend
periodic inspection of the wiper’s silicon
pad to determine if the wiper material
is deteriorating or if there is an excessive
buildup of material from bio-fouling. In
addition, as a precaution we recommend
changing the wiper prior to each long term
deployment. The wiper is a consumable
item. Wiper packs are available from
Seametrics.
Maintenance

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APPENDIX A: TECHNICAL SPECIFICATIONS
General Specication
The Turbo sensor is a microprocessor based digital intelligent sensor designed to
measure and record turbidity, temperature, and time.
Wiring
Cable
OD 0.28” maximum
Break Strength 138 lbs.
Maximum Length 2000 feet
Weight 4 lbs. per 100 feet
Input Power 12 Vdc nominal (9–15 Vdc)
Ranges 0 - 400 NTU
0 - 3000 NTU
For Modbus®—
with 5-pin connector
For SDI-12 —
with 5-pin connector
For SDI-12 —
without connector
White
Purple
Yellow
Brown
Blue
Shield
12 VDC+ (Vaux)
Modbus D-
Modbus D+
SDI-12 (Not used)
Ground
1
2
3
4
5
5-Pin
Connector
White
Purple
Yellow
Brown
Blue
Shield
12 VDC+ (Vaux)
Modbus D-(Not used)
Modbus D+ (Not used)
SDI-12 Signal
12 VDC – (Gnd)
1
2
3
4
5
5-Pin
Connector
White
Purple
Yellow
Brown
Blue
Shield (may be green)
12 VDC+ (Vaux)
Modbus D-(Not used)
Modbus D+ (Not used)
SDI-12 Signal
12 VDC – (Gnd)
Earth ground

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Calibration can only be done when there are no sessions stored on the sensor. If there
are any sessions stored on the sensor, upload any data you want and then erase the
session before continuing.
APPENDIX B: FIELD CALIBRATION
Turbidity Calibration
The Turbo ships calibrated from Seametrics, however calibration should be checked
after shipping as the 0 point may shift. Normal wear and tear of the optical window will
also cause the 0 point to shift over time, the exact timing will depend on installation
environment and wiper maintenance schedule. In most cases a 1 point calibration in a 0
standard (or DI water) is sucient to re-zero the output.
Note: When using NTU standards ensure your standard is rated Amco Clear for ISO
7027 infrared turbidity sensors. The calibration container should be dark and non-
reective for the most accurate results. Make sure the bottom face of the turbidity
probe is submerged about 0.5” (12mm) into the calibration standard, and at least 2”
(50mm) from the bottom of the container to avoid interference with the infrared signal.
Generally we will use 0 NTU, or DI water, as the rst calibration point or 1 point 0 oset
adjustment point. If deploying in higher turbidity sites use your lower NTU standard for
the rst point and bracket your expected range with the 2nd point standard.
Place the Turbo in your rst point standard and enter the standards value in the Ref. Point
box, next click Measure.
Aqua4Plus will take 10 readings and display the average. Watch for stability while
Aqua4Plus is measuring to ensure an accurate calibration. To accept the rst point reading
click Ok.
If you’ve selected one point calibration next click Apply to apply the new oset value,
Aqua4Plus will provide a real time reading to verify calibration was successful.
If you’ve selected a two point calibration thoroughly rinse and dry the rst point standard
from the probe, then place it in the 2nd point standard and click Next.

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APPENDIX B: FIELD CALIBRATION
Enter the value of your 2nd point standard and click Measure
Aqua4Plus will take 10 readings and display the average. Watch for stability while
Aqua4Plus is measuring to ensure an accurate calibration. To accept the second point
reading click Ok. Your new oset and slope values will appear to the right, conrm other
settings as needed and click Apply to conrm your new slope and oset values. Aqua4Plus
will provide a real time reading to verify calibration was successful. You may now close the
calibration window and proceed with deployment.

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APPENDIX C: READING THE SENSOR
Reading the Turbo Sensor via Direct Read
While the Turbo comes with Seametrics’ easy to use Aqua4Plus software, you can also use
standard Modbus®RTU or SDI-12 equipment to easily take readings, so as to tie into your
existing equipment or networks.
You may nee to use Aqua4Plus to set the baud rate. (You do not need to set the baud
rate for SDI-12). For Modbus you must have Turbo rmware version 2.0 or higher.
For SDI-12 you must have version 2.2 or higher.
Reading Via Modbus®
Setting Baud Rate
Your sensor comes congured to
communicate at 38,400 baud, with 8 data
bits, one stop bit, and no parity. The sensor
can also be set to 19,200 or 9600 baud, if
needed for your application.
See Sensor Settings.
Taking Measurements
Read measurements using Modbus
function 03 – Read Holding Registers.
Readings are located in two registers
each, starting at address 62592. (AquiStar®
register addressing is zero based, i.e., starts
at zero. If your equipment uses one based
addressing, you will need to add one to the
register addresses.)
Register addresses for Turbo Sensor
Zero Based One Based
Temperature 62592 62593
Turbidity 62594 62595

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Power On Function
In order to save power, the power to the
sensing probe on the Turbo is normally
o, even when the Turbo sensor itself
is powered. The sensing probe requires
a warm-up or stabilization time before
returning valid readings. The sensing probe
is turned on when a reading is requested
or when a Power On command is written
to the Turbo.
(Note: If you are recording sessions, reading
with Aqua4Plus, or using SDI-12, you do not
need to be concerned with the stabilization
period. It is automatically taken care of
in these situations. You only need to be
concerned when using your own device to
take Modbus readings.)
There is a “power on” register on the
Turbo (register 62720 or 0xF500). When a
positive value “n” is written to this register,
the power is turned on to the sensing
probe and remains on for n/4 seconds.
When a reading is requested, the timer
is reset and the sensing element remains
on for another n/4 seconds. To force the
power o immediately after a reading, for
power savings, write a zero to the register.
If the power to the entire Turbo sensor is
turned o, this value defaults to 48 (or 12
seconds).
The recommended procedure to ensure
proper warm-up/stabilization and to
conserve power is:
• Write Power On value of 48 (48/4 =
12 seconds)
• Power turns on
• Starts sampling about two times
per second
• Wait 10 seconds then request a
reading
• Returns most recent sample
• Resets Power On value to 48
(48/4 = 12 seconds)
• Write Power On value of 0 (zero)
• Turns power o
• Retains last reading
If you Cannot Write to the Power On
Register
If you are reading your device using a meter
or other device that cannot write the Power
On but simply takes readings on a specied
schedule, be sure to set the polling interval
to less than 12 seconds. This will ensure
that the sensing probe is always powered
up and readings should be fresh and stable.
Note that the rst reading when you turn
on the sensor and meter will be old but will
refresh within a second or two.
For further information and detailed
Modbus examples, refer to our website at
www.seametrics.com.
Data Format
The data is returned as 32-bit IEEE oating-
point values, high word rst, also referred
to as big-endian or oat inverse.
Wiper
Before each reading, the sensor will apply
power to the turbidity sensing unit and
run the wiper once. If your polling interval
is 10 seconds or less, the sensing unit will
remain on and will only wipe once when
rst started.
APPENDIX C: READING THE SENSOR

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Reading Via SDI-12
Addressing
Default SDI-12 Address: 0
SDI-12 Command Nomenclature
<a> = Sensor address
{crc} = SDI-12 compatible 3-character CRC
<cr> = ASCII carriage return character
<lf> = ASCII line feed character
highlighted values indicate variable data
SDI-12 Commands
//*** Sensor Identication
<a>I! <a>13 INWUSA ATurb2.2ssssssssss<cr><lf>
// note: 2.2 will change to reect current
// rmware revision
// ssssssssss = device serial #
//*** Acknowledge Active, Address Query
<a>! <a><cr><lf>
?! <a><cr><lf>
//*** Change Address
<a>A<b>! <b><cr><lf> // change address from <a> to <b>
//*** Request measurement
<a>M! <a>0022<cr><lf> // request all measurements
<a>D0! <a>+24.2412+458.73<cr><lf> // read: temperature and turbidity
<a>M1! <a>0021<cr><lf> // request measurements
<a>D0! <a>+24.2412<cr><lf> // read: temperature
<a>M2! <a>0021<cr><lf> // request measurements
<a>D0! <a>+458.73<cr><lf> // read: turbidity
//*** Request measurement with CRC
<a>MC! <a>0022<cr><lf> // request all measurements w/CRC
<a>D0! <a>+24.2412+458.73{crc}<cr><lf>// read: temperature and turbidity
<a>MC1! <a>0021<cr><lf> // request measurements w/CRC
<a>D0! <a>+24.2412{crc}<cr><lf> // read: temperature
<a>MC2! <a>0021<cr><lf> // request measurements w/CRC
<a>D0! <a>+458.73<cr><lf> // read: turbidity
APPENDIX C: READING THE SENSOR

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//*** Concurrent measurement
<a>C! <a>0022<cr><lf> // request all measurements
<a>D0! <a>+24.2412+458.73<cr><lf> // read: temperature and turbidity
<a>C1! <a>0021<cr><lf> // request measurements
<a>D0! <a>+24.2412<cr><lf> // read: temperature
<a>C2! <a>0021<cr><lf> // request measurements
<a>D0! <a>+458.73<cr><lf> // read: turbidity
//*** Concurrent measurement with CRC
<a>CC! <a>0022<cr><lf> // request all measurements w/CRC
<a>D0! <a>+24.2412+458.73{crc}<cr><lf>// read: temperature and turbidity
<a>CC1! <a>0021<cr><lf> // request measurements w/CRC
<a>D0! <a>+24.2412{crc}<cr><lf> // read: temperature
<a>CC2! <a>0021<cr><lf> // request measurements w/CRC
<a>D0! <a>+458.73<cr><lf> // read: turbidity
For further information and SDI-12 examples, see our website at www.seametrics.com.
APPENDIX C: READING THE SENSOR

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The limited warranty set forth below is given by Seametrics, with respect to Seametrics brand products purchased in the United
States of America.
Seametrics warrants that products manufactured by Seametrics, when delivered to you in new condition in their original
containers and properly installed, shall be free from defects in material and workmanship. Seametrics products are warranted
against defects for a period of two (2) years from date of installation, with proof of install date. If no proof of install
date can be provided, warranty period will be two (2) years from date of shipment from Seametrics, as dened on
Seametrics’ invoice. Seametrics’ obligation under this warranty shall be limited to replacing or repairing the part or parts,
or, at Seametrics’ option, the products, which prove defective in material or workmanship. The following are the terms of
Seametrics’ limited warranty:
a. Buyer must give Seametrics prompt notice of any defect or failure and satisfactory proof thereof.
b. Any defective part or parts must be returned to Seametrics’ factory or to an authorized service center for inspection.
c. Buyer will prepay all freight charges to return any products to Seametrics’ factory, or another repair facility. as
designated by Seametrics.
d. Defective products, or parts thereof, which are returned to Seametrics and proved to be defective upon inspection,
will be repaired to factory specications.
e. Seametrics will deliver repaired products or replacements for defective products to the buyer (ground freight prepaid)
to the destination provided in the original order.
f. Products returned to Seametrics for which Seametrics provides replacement under this warranty shall become the
property of Seametrics.
g. This limited warranty covers all defects encountered in normal use of Seametrics products, and does not apply to the
following cases:
i. Loss of or damage to Seametrics product due to abuse, mishandling, or improper packaging by buyer
ii. Failure to follow operating, maintenance, or environmental instructions prescribed in Seametrics’ instruction
manual
iii. Products not used for their intended purpose
iv. Alterations to the product, purposeful or accidental
v. Electrical current uctuations
vi. Corrosion due to aggressive materials not approved for your specic product
vii. Mishandling, or misapplication of Seametrics products
viii. Products or parts that are typically consumed during normal operation
ix. Use of parts or supplies (other than those sold by Seametrics) which cause damage to the products, or
cause abnormally frequent service calls or service problems
h. A new warranty period shall not be established for repaired or replaced material, products, or supplied. Such items
shall remain under warranty only for the remainder of the warranty period on the original materials, products, or
supplies.
i. In the event that equipment is altered or repaired by the buyer without prior written approval by Seametrics, all
warranties are void. Damage caused by equipment or accessories not manufactured by Seametrics may void the
product’s warranty.
j. SOFTWARE: The Seller grants the user a non-exclusive license to use Seametrics’ software, according to the following
limitations and conditions:
i. The user may install the software on one or more desktop or laptop computers.
ii. All title and intellectual rights to the software are owned by Seametrics.
iii. No copies may be made or distributed except as described above.
iv. The user may not modify or reverse-engineer the software.
THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, WHETHER ORAL, WRITTEN, EXPRESSED, IMPLIED OR
STATUTORY. NO IMPLIED WARRANTY, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE, APPLIED TO THE PRODUCTS AFTER THE APPLICABLE PERIOD OF THE EXPRESS LIMITED WARRANTY
STATED ABOVE, AND NO OTHER EXPRESS WARRANTY OR GUARANTY, EXCEPT AS MENTIONED ABOVE, GIVEN BY ANY
PERSON OR ENTITY WITH RESPECT TO THE PRODUCTS, SHALL BIND SEAMETRICS. SEAMETRICS SHALL NOT BE LIABLE FOR
LOSS OF REVENUES, OR PROFITS, OR INCONVENIENCES, EXPENSE FOR SUBSTITUTE EQUIPMENT OR SERVICE, STORAGE
CHARGES, LOSS OF DATA, OR ANY OTHER SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGE CAUSED BY THE USE OR
MISUSE OF, OR INABILITY TO USE THE PRODUCTS, REGARDLESS OF THE LEGAL THEORY ON WHICH THE CLAIM IS BASED,
AND EVEN IF SEAMETRICS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL RECOVERY
OF ANY KIND AGAINST SEAMETRICS BE GREATER IN AMOUNT THAN THE PURCHASE PRICE OF THE PRODUCT SOLD BY
SEAMETRICS AND CAUSING THE ALLEGED DAMAGE. WITHOUT LIMITING THE FOREGOING, YOU ASSUME ALL RISK OF
LIABILITY FOR LOSS, DAMAGE, OR INJURY TO YOU AND YOUR PROPERTY AND TO OTHERS AND THEIR PROPERTY ARISING
OUT OF USE OR MISUSE OF, OR INABILITY TO USE THE PRODUCTS NOT CAUSED DIRECTLY BY THE NEGLIGENCE OF
SEAMETRICS.
SOME STATES DO NOT ALLOW LIMITATIONS ON THE DURATION OF AN IMPLIED WARRANTY, SO THE ABOVE LIMITATIONS
MAY NOT APPLY TO YOU. SIMILARLY, SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATIONS OF CONSEQUENTIAL
DAMAGE, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. THIS LIMITED WARRANTY GIVES YOU
SPECIFIC LEGAL RIGHTS; HOWEVER, YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY FROM STATE TO STATE.
SEAMETRICS LIMITED WARRANTY

Seametrics • 19026 72nd Avenue South • Kent, Washington 98032 • USA
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