Idronaut Ocean Seven 304Plus Manuale utente

OCEAN SEVEN

304Plus CTD PROBE

December 2015

OCEAN SEVEN and Idronaut are registered trademarks of Idronaut S.r.l.

Other products and services mentioned in this document are identified by the trademarks or service marks of their respective

companies or organizations. No part of this publication, or any software included with it, may be reproduced, stored in a retrieval

system, or transmitted in any form or by any means, including photocopying, electronic, mechanical, recording or otherwise, without

the prior written permission of the copyright holder. Idronaut S.r.l. provides this document as is without warranty of any kind either

expressed or implied including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Idronaut S.r.l. may make changes of improvements in the equipment, software, firmware, or specifications described in this document

at any time and without notice. These changes may be incorporated in new releases of this document. This document may contain

technical inaccuracies or typographical errors. Idronaut S.r.l. waives responsibility of any labour, materials, or costs incurred by any

person or party as a result of using this document. Idronaut S.r.l. shall not be liable for any damages (including, but not limited to,

consequential, indirect or incidental, special damages, or loss of profits or data) even if they were foreseeable and Idronaut S.r.l. has

been informed of their potential occurrence arising out of or in connection with this document or its use.

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

OCEAN SEVEN 304Plus CTD

IMPORTANT REMARKS

BATTERY REPLACEMENT/RECHARGING

To gain access to the internal batteries, loosen the closing screws on the CTD top cover with a proper

screwdriver. Remove all water droplets around the top cover to prevent the penetration of moisture

inside the housing.

Install two new 1.5V AA Alkaline cells in the double-battery holder or a new Lithium 3.6V cell in the

single-battery holder. INSTALLING TWO 3.6V LITHIUM BATTERIES IN THE DOUBLE-

BATTERY HOLDER AND CONNECTING IT TO THE OS304Plus TOP COVER WILL CAUSE A

PERMANENT DAMAGE TO THE OS304Plus CTD ELECTRONICS.

If the CTD is not to be used for long periods (weeks or more),we strongly suggest removing the

internal battery from the CTD. This will eliminate the possibility of damaging the electronic circuitry

in case of battery leakage.

SELF-RECORDING USE

The internal Real-Time Clock (RTC) keeper is powered by the CTD main battery. If the

battery is fully dead or disconnected, the RTC loses the date & time. It is mandatory to set

up the RTC or check that the RTC date & time are correct before starting a self-recording

data acquisition cycle.

The CTD is equipped with a rotary magnetic power ON/OFF switch, present on the top

cover. The CTD is ON when the switching arm is rotated as indicated on the top cover

label. Once the self-recording configuration of the CTD has been set, the CTD can be

switched OFF and ON again at the sampling site, when it is ready for deployment.

VERY IMPORTANT: Allow a 30-second interval between each ON/OFF cycle.

LABORATORY USE

When the CTD is to be used in the laboratory to verify the measurement performance or to perform the CTD

sensor calibration, please interface the CTD from a portable computer (battery powered). In fact, using

desktop computers may generate ground loops and interferences that can affect the CTD sensor

measurements. In case a portable computer is not available, a USB port optical insulator must be placed

between the CTD USB cable and the PC USB port. A dedicated data acquisition program

“OceanSevenCalibration” is provided to properly acquire data from the installed sensors.

CONDUCTIVITY MEASUREMENT

To obtain the best accuracy, the conductivity sensor and therefore the probe sensor head,

must be immersed in clean seawater for at least 15 minutes before measurements. For fresh

water application, the sensor does not require any hydration.

When the conductivity sensor is not in use, it is kept dry. Therefore, when the conductivity

sensor is placed in water, very small bubbles may remain attached to the platinum ring

electrodes (seven). If such a thing happens, the measured value of conductivity will be

lower than the true one. To remove these air bubbles, degrease the inside of the

conductivity cell using cotton buds wetted with the Conductivity Sensor Cleaning Solution

or with liquid soap. Gently rotate the cotton bud against the whole internal surface of the

quartz cell. This will wet the platinum electrodes, thus reducing the surface tension of the

cell and considerably decreasing the risk of trapped air bubbles.

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

PROBE WASHING

After use, the probe must be always washed with fresh water in order to remove any salt water residual or

dirtiness.

LIFETIME AND HOW TO REPLACE THE IDRONAUT SENSORS

The IDRONAUT sensors are all pressure compensated and, in particular, the physical sensors (pressure,

temperature and conductivity) can last many years, if properly used. All sensor heads have a standard 12

mm diameter and are provided with two o-rings (Parker 2-12) for sealing. This means that every sensor can

be fitted in any of the four sensor head holes. The pressure sensor is a high-quality transducer, which can

last many years if properly used. Its replacement is difficult and requires that the CTD is returned to

IDRONAUT.

INTERFACING THE OCEAN SEVEN 304Plus

The OCEAN SEVEN 304Plus CTD can be interfaced in different ways, depending on the type of action to be

performed. The below solutions must be adopted to guarantee that the OCEAN SEVEN 304Plus CTD

satisfies the stated performance.

CTD configuration and/or stored data uploading

In this case, the CTD can be interfaced using the laboratory (not submersible) cable. The CTD can be

powered through the cable or by the internal battery.

Pressure, Conductivity and Temperature sensor performance check

In this case, the CTD must be interfaced using a galvanic or optical insulator between the PC and the

laboratory cable.

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

TABLE OF CONTENTS

1. PROBE DESCRIPTION ............................................................................................................................... 1

1.1. SAMPLING MODES ................................................................................................................................... 1

1.2. REAL TIME COMMUNICATION............................................................................................................. 1

1.3. LABORATORY STANDARD RS232C INTERFACE............................................................................... 2

1.4. OPTIONAL USB COMMUNICATION CABLE ...................................................................................... 3

1.5. WIRELESS COMMUNICATIONS “BlueTooth” ..................................................................................... 3

1.6. PORTABLE READER .................................................................................................................................. 3

1.7. INTERNAL BATTERY PACK .................................................................................................................... 4

1.7.1. Optional rechargeable battery pack........................................................................................................... 4

1.8. CTD POWER ON/OFF SWITCH ............................................................................................................... 5

1.9. INTERFACING WINDOWS PROGRAMMES......................................................................................... 5

1.10. FIRMWARE OVERVIEW............................................................................................................................ 5

1.10.1. User interface................................................................................................................................................ 5

1.10.2. Probe Access Rights ..................................................................................................................................... 6

1.10.3. Menu header structure ................................................................................................................................ 7

1.10.4. Data transmission protocols ....................................................................................................................... 7

1.10.5. Point-to-point protocol................................................................................................................................ 7

1.10.6. Verbose and non-verbose special characters............................................................................................ 7

1.10.7. Field upgradeable firmware ....................................................................................................................... 7

1.10.8. Low power consumption............................................................................................................................ 7

1.10.9. Configuration and Calibration ................................................................................................................... 7

1.10.10. Menu & submenu structure........................................................................................................................ 8

1.11. CALCULATIONS ........................................................................................................................................ 8

1.12. SENSOR SPECIFICATION ......................................................................................................................... 9

1.13. OPTIONAL SENSOR SPECIFICATIONS................................................................................................. 9

1.14. THE SENSORS ............................................................................................................................................. 9

1.14.1. The pressure sensor ..................................................................................................................................... 9

1.14.2. The temperature sensor............................................................................................................................. 10

1.14.3. The conductivity sensor equipped with the “IDRONAUT seven-ring cell” ..................................... 10

1.15. ELECTRONIC SPECIFICATIONS........................................................................................................... 11

1.16. PHYSICAL CHARACTERISTICS............................................................................................................ 11

2. INSTALLATION AND START-UP ......................................................................................................... 15

2.1. SHIPPING LIST.......................................................................................................................................... 15

2.2. INSTALLATION PROCEDURE .............................................................................................................. 15

2.2.1. Optional USB-cable software driver installation ................................................................................... 15

2.3. HOW TO OPERATE THE CTD ............................................................................................................... 15

2.4. START-UP PROCEDURE ......................................................................................................................... 15

2.4.1. CTD Start-up - Verbose operating mode ............................................................................................... 15

2.4.2. CTD Start-up Non-verbose operating mode .......................................................................................... 16

2.5. The Main Menu .......................................................................................................................................... 16

3. COMMANDS ............................................................................................................................................. 17

3.1. SHUTDOWN.............................................................................................................................................. 17

3.2. DATA ACQUISITION............................................................................................................................... 17

3.2.1. Real Time..................................................................................................................................................... 17

3.2.2. Linear Profile .............................................................................................................................................. 17

3.2.3. Timed Profile .............................................................................................................................................. 18

3.2.4. Continuous Sampling................................................................................................................................ 19

3.2.5. Conditional Sampling................................................................................................................................ 20

3.2.6. Burst Sampling ........................................................................................................................................... 21

3.3. CALIBRATION .......................................................................................................................................... 22

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

3.3.1. Pressure sensor calibration ....................................................................................................................... 22

3.3.2. Temperature sensor calibration................................................................................................................ 23

3.3.3. Conductivity sensor calibration ............................................................................................................... 23

3.4. MEMORY MANAGEMENT .................................................................................................................... 24

3.4.1. Memory priming........................................................................................................................................ 24

3.4.2. Memory Status............................................................................................................................................ 24

3.4.3. Show stored data........................................................................................................................................ 25

3.4.4. Delete Cast .................................................................................................................................................. 25

3.4.5. Initialize Memory....................................................................................................................................... 25

3.5. SERVICE MENU ........................................................................................................................................ 25

3.5.1. Set-up........................................................................................................................................................... 26

3.5.2. Real-time Clock set-up .............................................................................................................................. 28

3.5.3. Raw Counts or Raw mV............................................................................................................................ 28

3.5.4. Rights ........................................................................................................................................................... 28

3.5.5. Firmware ..................................................................................................................................................... 28

3.5.6. Diagnostics.................................................................................................................................................. 32

3.6. CHANGE OPERATING MODE .............................................................................................................. 32

4. SELF RECORDING.................................................................................................................................... 33

4.1. UNATTENDED PROFILES IN FUNCTION OF PRESSURE INCREMENTS ................................... 33

4.1.1. Preliminary configuration......................................................................................................................... 33

4.1.2. Field operations.......................................................................................................................................... 33

4.1.3. Ending the unattended data acquisitions ............................................................................................... 33

4.2. UNATTENDED ACQUISITION IN FUNCTION OF TIME INCREMENTS..................................... 34

4.2.1. Preliminary configuration......................................................................................................................... 34

4.2.2. Field operations.......................................................................................................................................... 34

4.2.3. Ending the unattended data acquisitions ............................................................................................... 35

4.3. UNATTENDED PROFILES USING THE CONTINUOUS ACQUISITION FUNCTION ................ 35

4.3.1. Preliminary configuration......................................................................................................................... 35

4.3.2. Field operations.......................................................................................................................................... 35

4.3.3. Ending the unattended data acquisitions ............................................................................................... 36

4.4. UNATTENDED PROFILES USING THE CONDITIONAL ACQUISITION..................................... 36

4.4.1. Preliminary configuration......................................................................................................................... 36

4.4.2. Field operations.......................................................................................................................................... 37

4.4.3. Ending the unattended data acquisitions ............................................................................................... 37

4.5. UNATTENDED BURST SAMPLING...................................................................................................... 37

4.5.1. Preliminary configuration......................................................................................................................... 37

4.5.2. Field operations.......................................................................................................................................... 38

4.5.3. Ending the unattended data acquisitions ............................................................................................... 38

4.6. UPLOADING THE DATA STORED IN THE PROBE MEMORY....................................................... 39

4.6.1. WINDOWS “ITERM” ................................................................................................................................ 39

4.6.2. WINDOWS “REDAS-5”............................................................................................................................ 39

4.7. UNATTENDED ACQUISITIONS - IMPORTANT TIPS....................................................................... 39

4.7.1. Power consumption reduction................................................................................................................. 39

4.7.2. ON/OFF cycles............................................................................................................................................ 39

4.7.3. Shipping conditions................................................................................................................................... 39

4.7.4. Sensors......................................................................................................................................................... 39

4.7.5. Probe autonomy ......................................................................................................................................... 40

5. ITERM –WINDOWS TERMINAL EMULATION PROGRAMME..................................................... 41

5.1. DISTRIBUTED FILES................................................................................................................................. 41

5.2. INSTALLATION........................................................................................................................................ 41

5.3. PROGRAMME MENUS AND FUNCTIONS......................................................................................... 41

5.4. TOOLBAR ................................................................................................................................................... 44

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

5.5. START-UP SWITCHES ............................................................................................................................. 44

5.6. TROUBLESHOOTING .............................................................................................................................. 44

5.6.1. Tools............................................................................................................................................................. 44

5.6.2. OceanSevenCalibration ............................................................................................................................. 45

6. INTERNAL BATTERIES ........................................................................................................................... 46

6.1. AISI316L & Titanium HOUSING Battery replacement procedure ..................................................... 46

6.2. POM HOUSING - Battery rEPLACEMENT procedure....................................................................... 47

6.3. Optional Rechargeable Battery PACK .................................................................................................... 47

6.3.1. Battery recharging procedure................................................................................................................... 47

6.4. OS304Plus-MI - TITANIUM/POM HOUSING –Battery rEPLACEMENT procedure.................... 48

6.5. Optional Rechargeable Battery PACK .................................................................................................... 48

6.5.1. Battery recharging procedure................................................................................................................... 48

6.6. Battery Endurance...................................................................................................................................... 49

6.7. RTC and Battery ......................................................................................................................................... 49

7. PTP COMMUNICATION PROTOCOL.................................................................................................. 50

APPENDIX A –DISSOLVED OXYGEN SENSOR ................................................................................................ 51

APPENDIX B –CONDUCTIVITY WITH INTEGRATED UV-LED ANTIFOULING ..................................... 59

APPENDIX C –HIGHLY PRECISE PRESSURE TRANSDUCER ....................................................................... 61

APPENDIX D –SEAPOINT TURBIDITY METER ................................................................................................ 63

APPENDIX E –“BLUETOOTH” WIRELESS MODULE ...................................................................................... 66

APPENDIX F –AUV VERSION .............................................................................................................................. 67

APPENDIX G –SUBMERSIBLE CONNECTORS AND CABLE CARE............................................................ 68

APPENDIX H –CTD MAINTENANCE................................................................................................................. 70

IDRONAUT Documentation pertaining the OCEAN SEVEN 304Plus

The following documents are available in the “Literature & Manual” folder on the CD-ROM distributed with

the OCEAN SEVEN 304Plus CTD.

PTP - OCEAN SEVEN CTDs Data Transmission Protocol Description.

REDAS-5 Condensed Manual.

uREDAS Operator’s Manual.

OCEAN SEVEN Portable Reader Operator’s Manual.

Software updates and technical support

Website download area for software updates and technical support: http://www.idronaut.it/download

Warranty

The OCEAN SEVEN 304Plus CTD is covered by a one-year limited warranty that extends to all parts and

labour and covers any malfunction that is due to poor workmanship or due to errors in the manufacturing

process. The warranty does not cover shortcomings that are due to the design, nor does it cover any form of

consequential damage because of errors in the measurements. If there is a problem with your OCEAN

SEVEN 304Plus, first try to identify the problem by following the procedure outlined in the troubleshooting

section of this manual. Please contact your representative or IDRONAUT S.r.l. if the problem is identified as

a hardware problem or if you need additional help in identifying the problem. Please make sure to contact

IDRONAUT S.r.l. to obtain the relevant instructions before the OCEAN SEVEN 304Plus or any module is

returned to IDRONAUT (see cleaning instructions).

For systems under warranty, IDRONAUT S.r.l. will attempt to ship replacement parts before the

malfunctioning part is returned. We encourage you to contact us immediately if a problem is detected and

we will do our best to minimize the downtime. Every effort has been made to ensure the accuracy of this

manual. However, IDRONAUT S.r.l. makes no warranties with respect to this documentation and disclaims

any implied warranties of merchantability and fitness for a particular purpose. IDRONAUT S.r.l. shall not be

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

liable for any errors or for incidental or consequential damages in connection with the furnishing,

performance or use of this manual or the examples herein. The information in this document is subject to

change without notice.

Cleaning Instructions

Before the returned OCEAN SEVEN 304Plus can be serviced, equipment exposed to biological, radioactive,

or toxic materials must be cleaned and disinfected. Biological contamination is presumed for any instrument,

CTD, or other device that has been used with wastewater. Radioactive contamination is presumed for any

instrument, CTD or other device that has been used near any radioactive source. If an OCEAN SEVEN

304Plus CTD, or other part is returned for service without following the cleaning instructions, and if in our

opinion it represents a potential biological or radioactive hazard, our service personnel reserve the right to

withhold service until appropriate cleaning, decontamination has been completed.When service is required,

either at the user's facility or at IDRONAUT, the following steps must be taken to insure the safety of our

service personnel.

In a manner appropriate to each device, decontaminate all exposed surfaces, including any

containers. 70% isopropyl alcohol or a solution of 1/4 cup bleach to 1-gallon tap water are suitable

for most disinfecting. Instruments used with wastewater may be disinfected with 5% Lysol if this is

more convenient to the user.

The user shall take normal precautions to prevent radioactive contamination and must use

appropriate decontamination procedures should exposure occur. If exposure has occurred, the

customer must certify that decontamination has been accomplished and that no radioactivity is

detectable by survey equipment.

Any product being returned to the IDRONAUT S.r.l. laboratory for service or repair should be

packed securely to prevent damage.

Cleaning must be completed on any product before returning it to IDRONAUT S.r.l.

Disposal of Waste Equipment by Users in the European Union

The recycling bin symbol on the product or on its packaging indicates that this product must not be disposed

of with your other waste. It is your responsibility to dispose of your waste equipment by handling it over to

a designated collection point for the recycling of waste electrical and electronic equipment. The separate

collection and recycling of your waste equipment at the time of disposal will help to conserve natural

resources and ensure that it is recycled in a manner that protects human health and the environment. For

more information about where you can drop off your waste equipment for recycling, please contact your

local city office, your waste disposal service.

SECTION ONE –SYSTEM DESCRIPTION

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

Features:

Up to 6Hz CTD simultaneous sampling.

Very low power consumption.

Expandable: oxygen, turbidity and other sensor

interfaces, available upon request.

Large memory (2GBytes) 60.000.000 data sets.

High-speed data uploading.

1. PROBE DESCRIPTION

The OCEAN SEVEN 304Plus CTD completes

the line of high quality and accuracy

IDRONAUT OCEAN SEVEN CTDs, fulfilling

the demand of a high performance CTD with

very small diameter and very low power

consumption.

This CTD can be easily integrated/adapted to third-party systems like floating profilers and/or

oceanographic moorings, ROVs and AUVs. IDRONAUT prides itself on the design of its full

ocean depth, pump-free, low-maintenance sensors. Central to which is their high accuracy

seven-platinum-ring quartz conductivity cell (patented) which can be cleaned in the field

without the need for re-calibration. This unique quartz cell employs a large diameter (8 mm)

and a short length (46mm) to guarantee self-flushing.

The OS304Plus does not require pumps or any other external device to flush the sensors,

which minimizes its power consumption and allows the use in Arctic and Antarctica. The

OS304Plus CTD standard interface is RS232C; other optional interfaces are: TTL, RS485 and

wireless Bluetooth®. The RS485 interface overcomes the RS232C limitation (max 200m cable).

The OS304Plus can communicate at speeds up to 115k2 bps, thus minimizing data uploading

time. The OS304Plus can be manufactured with the following housings: AISI 316 stainless

steel/POM (plastic), whole POM, composite titanium/POM or whole titanium and can be

deployed to depths of 1000m, 2000m, 4000m or 7000m respectively.

1.1. SAMPLING MODES

User selectable sampling/operating modes include:

Continuous: Data is sampled at configurable sampling rates starting from 0.1 Hz to 6 Hz.

Sampling continues until interrupted. Multiple cycles can be possible by

switching the CTD ON and OFF.

Pressure: Data is sampled at regular pressure intervals. Multiple profiles can be

obtained by switching the CTD ON and OFF.

Timed: CTD collects a series of samples and then sleeps for the configured time interval

before waking up again and repeating the acquisitions. Time interval can be

configured between 5s and 1 day. Battery power is conserved while the CTD is in

sleep mode. This data acquisition method is ideal for long-term monitoring.

Conditional: Data acquisition is started and continues while the reading from a selected sensor is

above a threshold value. Monitoring of the selected sensor threshold value can be

configured to occur at intervals: between 5s and 1day.

Burst: 8 Hz measurements can be performed at configured time intervals between 5s and 1

day. Battery power is conserved by switching off the CTD between bursts.

1.2. REAL TIME COMMUNICATION

The OCEAN SEVEN 304Plus CTD communicates with a computer via a standard RS232C interface.

Real-time data can be acquired by means of the REDAS-5, µREDAS or ITERM Windows IDRONAUT

software. The optional RS485 interface overcomes the limitation of the RS232C cable maximum length

(200 m) and allows the CTD to transmit data through distances up to 1000 m. The communication

speed is user selectable among: 9600, 19200, 38400, 57600 and 115200 bps. The default speed is 38K4.

Connection type

Max cable length

Max. transfer rate

USB

RS232C / RS485

4 m

10 m

115200 bps

RS232C

200 m

38400 bps

RS485

1000 m

38400 bps

SECTION ONE –SYSTEM DESCRIPTION

IDRONAUT –Brugherio (MB) OCEAN SEVEN 304Plus CTD 12-2015

1.3. LABORATORY STANDARD RS232C INTERFACE

The RS232C interface allows direct connection between the CTD and a personal computer by means of

the six-pole male connector located on the top end cap of the CTD. RS232 cable, up to 200m long, can

be prepared upon request. Two different connectors, cable combinations are possible depending on

the type of the CTD housing. The below pictures and wiring diagrams show both standard laboratory

cables.

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