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YEO-KAL 615, User Manual, Page: 11 / 48

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YEO-KAL 615 User Manual Download Page 11

11 

 

Temperature Sensor 

The temperature sensor consists of a pt 100 platinum element, housed in a stainless steel sheath for robustness 
and corrosion resistance. The temperature sensor requires little maintenance, however the temperature 
measurement is used for calculating the dissolved oxygen in mg/l and for temperature correction of the 
conductivity sensor, so it is important that the temperature sensor is properly calibrated. 

 

Figure 3: End view of probe 
(without bottom section) 
showing position of sensors. 

Summary of Contents for 615

Page 1: ...3 Version 3 2 Date 26 4 2013 Information in this document is the copyright of YEO KAL Electronics Pty Ltd and is subject to change without notice No part of this document may be copied or reproduced b...

Page 2: ...ON OF PROBE 10 Temperature Sensor 11 Dissolved Oxygen Sensor 12 Conductivity Sensor 12 Turbidity Sensor 12 PH ORP Sensor 12 ASSEMBLY 13 CONNECTING THE PROBE ASSEMBLY 13 CONNECTING AN EXTERNAL POWER SU...

Page 3: ...INPUTS 12 28 LIGHT KEY 28 CALIBRATION 29 TEMPERATURE CALIBRATION 31 HIGH CONDUCTIVITY SALINITY CALIBRATION 31 LOW CONDUCTIVITY CALIBRATION 32 DISSOLVED OXYGEN CALIBRATION 32 PH CALIBRATION 33 ORP CAL...

Page 4: ...Membrane 40 Dissolved Oxygen Stirrer Maintenance 40 PH ORP SENSOR MAINTENANCE 41 TURBIDITY SENSOR MAINTENANCE 42 CONDUCTIVITY SENSOR MAINTENANCE 43 STORAGE 45 APPENDIX 1 CONVERSIONS USED 46 APPENDIX 2...

Page 5: ...easurement Both stored data and calibration information can be easily down loaded to a computer using the YEO KAL data transfer programs The YK615 comes with storage container to protect the sensors w...

Page 6: ...cell Salinity Range 0 60 ppt Accuracy 0 05 ppt Resolution 0 02 ppt Type See Appendix 1 Conversions Used Dissolved Oxygen Range 0 200 saturation 0 20 mg l Accuracy 0 5 Resolution 0 1 Type Active silve...

Page 7: ...e Combination bare metal electrode common reference junction with pH electrode see Appendix 1 Conversions Used Depth optional Range 0 100 m or 0 150 m Accuracy 0 5 of full scale Resolution 0 1 m Type...

Page 8: ...ver the connector ensuring full waterproof sealing The connectors also have a polarising pin so that incorrect connection cannot be made Inside the Reader Unit a CPU controls the operation of the inst...

Page 9: ...9 Figure 1 Reader unit for the YK615 a Top view showing key pad and alphanumeric display b End view showing connectors...

Page 10: ...the cable is a corrosion and water resistant connector for connection to the Reader Unit The sensors can easily be accessed by sliding the sensor guard up and rotating the bottom section of the probe...

Page 11: ...tance The temperature sensor requires little maintenance however the temperature measurement is used for calculating the dissolved oxygen in mg l and for temperature correction of the conductivity sen...

Page 12: ...in position without overstressing the membrane This gives long term stability and allows easy replacement The sensor can be removed from the probe for servicing A replacement probe is ready for use i...

Page 13: ...g Connecting an External Power Supply Extended remote logging and charging the internal Reader Unit batteries can be achieved by connecting the unit to an external power dc power supply such as 240V 1...

Page 14: ...connected the display will then automatically begin to show the value of readings from the probe The parameters displayed will be four parameters at one time Press the arrow keys to scroll the displa...

Page 15: ...ENS S N If available serial number of probe is displayed Set up Menu 1 SET CLOCK Adjust date time 2 611 SET UP 611 probe installed 3 ASGN DEL SENS Select assign or delete sensor 4 CONFIG DISP Assign s...

Page 16: ...sted salinity corrections are made automatically 1 With the instrument deployed select 1 ALT CORRECTION from the main menu and press ENTER 2 Press the number keys until the display shows the correct a...

Page 17: ...NTER after selecting Erase Store Mem the operator will be asked press ENTER or ESC Press ENTER to proceed and clear memory Logged Data Out 6 Data stored in the YK615 can be down loaded to a computer a...

Page 18: ...1689 35 00 16 81 0 000 37763 898 Ser2 Temp C 14 09 04 11 37 708 10 00 0 00 2495 30 00 0 00 1950 444 113 986 Ser3 Turb ntu 14 09 04 11 57 199 0 0 0 00 1328 100 0 0 00 199 000 5 645 Ser5 pH pH 14 09 04...

Page 19: ...21 27 0 0 00 0 00 997 8 0 9979 0 0 69 8 6 19 6 81 321 177 7 Data tag 2 DEF Date Time Depth M Temp C E C uscm E C mscm Sal ppt Dens g cm3 S G sg TDS g l D O sat D O mg l pH pH ORP mv Turb ntu 18 11 05...

Page 20: ...0 00 0 00 0 00 0 00 0 00 Dens g cm3 997 8 997 8 997 8 997 8 997 8 S G sg 0 9979 0 9979 0 9979 0 9979 0 9979 TDS g l 0 0 0 0 0 0 0 0 0 0 D O sat 39 9 61 1 66 3 69 1 69 8 D O mg l 3 54 5 42 5 89 6 13 6...

Page 21: ...0 0 00 Dens g cm3 997 8 997 8 997 8 997 8 997 8 S G sg 0 9979 0 9979 0 9979 0 9979 0 9979 TDS g l 0 0 0 0 0 0 0 0 0 0 D O sat 39 9 51 0 59 2 63 9 67 0 D O mg l 3 54 4 53 5 25 5 67 5 95 pH pH 6 81 6 81...

Page 22: ...00 21 27 0 0 00 0 00 997 8 0 9979 0 0 69 8 6 19 6 81 321 177 7 Data tag 2 DEF No Date Time Depth M Temp C E C uscm E C mscm Sal ppt Dens g cm3 S G sg TDS g l D O sat D O mg l pH pH ORP mv Turb ntu 1 1...

Page 23: ...take measurements at regular intervals and store the results in the logger memory The fastest sample rate in Standard Logging Mode is one per two minutes the stirrer is activated one minute before the...

Page 24: ...e is till acceptable the message OK will appear Push the ESC to go back to the main menu If the battery fall below 9 8 volts the display will show Batt Low and the beeper will sound If the battery is...

Page 25: ...iately transmit data to the serial port and start logging when the start time is reached Output displayed data only this is accomplished by Switching the unit ON then go to Main Menu and Switch Data P...

Page 26: ...allows the operator to identify which channel has been assigned to the parameter name which has been set to the operator s specification The user specified parameter name for any channel may be reset...

Page 27: ...viously stored calibration constants Press ENTER and WAITING FOR FILE WILL appear on the LCD display Use a terminal program to send the file to the 615 Reader Unit Note the terminal program must be se...

Page 28: ...or OFF Use arrow keys to select and press ENTER Turbidity Average 11 Press Enter and the operator will be asked to enter the average The turbidity readings will be averaged over 0 to 99 readings Use t...

Page 29: ...the probe and container before each calibration and between each calibration solution The standard solutions are available from YEO KAL Electronics Pty Ltd or most major scientific suppliers Both dis...

Page 30: ...ect solution ie high standard instead of a low standard the message will appear on the LCD display CALIBRATION ERROR RECAL HIGH LOW To remove the message recalibrate the sensor correctly Note This doe...

Page 31: ...keys to change the displayed temperature then press ENTER 2 If you proceed with the high range calibration Select Cal high set point by using the arrow keys The message place probe into 25 50o C wate...

Page 32: ...sked if you wish to calibrate high set point ENTER or ESC 3 If you wish to continue for an upper calibration immerse the probe in a KCl solution To prepare the solution dissolve 0 7459 grams anhydrous...

Page 33: ...cients will then be automatically updated You will be asked if you wish to calibrate high set point ENTER or ESC 4 Select Cal high set point and press ENTER Immerse the probe in the aerated solution a...

Page 34: ...he Calibration key the message High or Low CAL set point ORP mv ENTER ESC will be displayed Press ESC to exit without changing the ORP calibration 2 If you wish to continue immerse the probe in 295 2...

Page 35: ...to a known depth in the water This can be done by placing a mark on the probe cable at a measured distance from the bottom of the probe assembly then making sure that the probe cable is vertical lowe...

Page 36: ...communication port allocated by bluetooth please check your bluetooth documentation It is generally possible to find the serial port assigned by going to the properties of the bluetooth device and lo...

Page 37: ...the bluetooth and GPS modules is deactivated Press the MENU key Go to SETUP menu and press ENTER go to ASSIGN DEL sensor press ENTER Assign sensor will be displayed press ENTER ASSIGN AUX CHAN 0 will...

Page 38: ...nel should be unscrewed and the battery lead to the main PCB will need to be disconnected and then re connected Once the reader is switched off use the following procedure The RESET function is initia...

Page 39: ...th the terminals against the spring connectors of the battery pack 9 Place the battery carrier in the Reader Unit and tighten the retaining screw The screw must be firmly secured so that the batteries...

Page 40: ...tle beside the silver electrode Squeeze the bottle to fill the probe with electrolyte until it flows over the top of the probe 5 Be sure that there are no bubbles inside the sensor 6 Take a new membra...

Page 41: ...ning and servicing easier A flat head screw driver under the grey lip can be used to leverage the probe from the double o ring seal It is important to not get a single drop of water on the back of the...

Page 42: ...pared with gel The can be seen though the pH sensor housing If there is water present either replace with a new pH sensor or return the sensor to Yeo Kal for regelling After cleaning the sensor be sur...

Page 43: ...antern battery Fill the platiniser with 0 1M HCl and switch on the platiniser for 5 minutes Switch off the platiniser and rinse with distilled water Now inspect the electrodes If the platinum black co...

Page 44: ...ody to ensure that a water tight seal is achieved The sensor can only be installed with the connector pins aligned Align the sensor and push it into the probe assembly Be sure to recalibrate the salin...

Page 45: ...is simply pushes into place The solution can be put into this cap for storage of the pH sensor If this method is used a drop of clean water should be put into the storage container to keep air around...

Page 46: ...UNESCO Technical Papers in Marine Science 1983 The conversion of low conductivity raw data to conductivity referenced to 25 Deg C is performed using constants derived from HANDBOOK OF CHEMISTRY AND PH...

Page 47: ...47 Appendix 2 Compliance for probe N 10255...

Page 48: ...yte YK615 012 Platinising solution YK615 013 Sensor storage solution YK615 014 pH buffer 4 0 1 litre YK615 015 pH buffer 10 0 1 litre YK615 016 Salinity standard 35 00 ppt 1 litre YK615 017 Formazin s...

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