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Temperature Calibration .................................................................... 25

 

Salinity/High Conductivity Range (ms/cm) Calibration ....................... 26

 

Low Conductivity Range (us/cm) Calibration ...................................... 26

 

Dissolved Oxygen calibration .............................................................. 27

 

pH Calibration ..................................................................................... 27

 

ORP Calibration .................................................................................. 27

 

Turbidity Calibration ........................................................................... 28

 

Depth calibration ................................................................................ 28

 

Auxiliary Channel Calibration ............................................................. 28

 

L

OGGER 

S

ETTINGS

 ....................................................................................... 29

 

Update clock when arming: ................................................................ 29

 

Real time sample rate: ........................................................................ 29

 

Download data in processed: ............................................................. 29

 

Low battery shut off: .......................................................................... 29

 

Battery voltage calibration: ................................................................ 29

 

Warm up time: ................................................................................... 29

 

Sensor Count: ..................................................................................... 29

 

Set Altitude: ........................................................................................ 29

 

A

DVANCED 

S

ETTINGS

: .................................................................................. 30

 

Edit > Comms port setting: ................................................................. 30

 

Edit > Windows Device Manager: ....................................................... 30

 

Edit > Channel Display/Precision/Chart: ............................................. 31

 

STORAGE ..................................................................................... 32

 

APPENDIX 1 ‐ CONVERSIONS USED .............................................. 33

 

APPENDIX 2 ‐ COMPLIANCE ......................................................... 34

 

 

 

Содержание 620

Страница 1: ...on 1 3 Date 1 5 2019 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 by any me...

Страница 2: ...e probe is damage and water ingress is possible the probe should be kept dry and returned to Yeo Kal Electronics to be repaired SCREW CAPS When if deploying the probe with the cable disconnected it is...

Страница 3: ...epth optional 8 Auxiliary inputs 8 Physical 8 DESCRIPTION OF SENSORS 9 Temperature Sensor 10 Dissolved Oxygen Sensor 10 Conductivity Sensor 10 Turbidity Sensor 10 PH ORP Sensor 11 pH Standard non fill...

Страница 4: ...ICATION SPECIFICATION 19 COMMUNICATION SOFTWARE 19 CHECK LOGGER 20 SET LOGGER 21 Enable isolation 21 Enable cyclic memory 21 Clear memory 21 Arm Logger button 21 Disarm button 21 DOWNLOAD DATA 22 Down...

Страница 5: ...tion 28 Auxiliary Channel Calibration 28 LOGGER SETTINGS 29 Update clock when arming 29 Real time sample rate 29 Download data in processed 29 Low battery shut off 29 Battery voltage calibration 29 Wa...

Страница 6: ...transferred to the PC using serial communications giving reliable interference free measurements and also commands are sent to the logger using the same interface Commands sent and data received are...

Страница 7: ...olution 1 us cm Type Four electrode 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...

Страница 8: ...mV Resolution 1 mV Type 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...

Страница 9: ...rs can easily be accessed by sliding the sensor guard up and rotating the bottom section of the probe The conductivity and dissolved oxygen sensors can be removed for servicing However the whole unit...

Страница 10: ...te at which oxygen reaches the silver electrode The current flowing in the external circuit is directly related to the oxygen concentration in the sample being measured by the electrodes The Dissolved...

Страница 11: ...aintenance As the electrolyte has a higher flow it requires regular electrolyte top up and calibration This type of sensor is faster in responding and helps combat accumulation of internal contaminati...

Страница 12: ...sh out the old electrolyte with distilled water 4 To refill with electrolyte 1 0 M KOH hold the probe vertical and place the nozzle of the squeeze bottle above and beside the silver electrode Squeeze...

Страница 13: ...Always rinse the probe and sensors of dirt debris and sample liquid Replace protector cap cream in colour filled with a bit of ph probe keeper Standard non refillable sensor This sensors requires main...

Страница 14: ...he sensors Pull the conductivity sensor down out of the probe by hand Do not twist the sensor Ensure that the vacant sensor socket is kept completely dry 2 To clean the electrodes plug the sensor into...

Страница 15: ...at 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 salinity and low cond...

Страница 16: ...arious logging sample rates When logger is fitted with fresh batteries For 6AH Battery as 6000 60 360000mA Mins 1 min 1 sample real time 80mA 6000 60 80 4500 samples 1 sample per day 6 months 1 sample...

Страница 17: ...ve cable from top connector 2 CAREFULLY UNSCREW top of probe exposing connectors for battery main power for probe and communication Internal wires are small and will not support the weight of the prob...

Страница 18: ...ading If the thread becomes tight just as engaging then unscrew to avoid damage and retry 6 There are 2 o ring seals in this connection The amount of torsion required to correctly tighten is till the...

Страница 19: ...port assigns a different COMS port number Connect the communication cable to the probe and tighten the knurled ring not too tightly Connect the other end to the USB adapter into the computer Communica...

Страница 20: ...Check Logger Press check logger button to check battery and the status of the 620...

Страница 21: ...r memory When the armed the memory will be cleared Arm Logger button This will arm the 620 with the selected settings Disarm button When armed the only way to communicate with the 620 is by first disa...

Страница 22: ...Data Download Data button Press to download the data from the logger 1st logger status is queries 2nd calibration constants are downloaded 3rd data is downloaded Cancel button to interrupt the data d...

Страница 23: ...he real time data stream The DO stirrer will stop confirming the command has been received Output Raw Data With this selected it is possible to see the sensor raw values Change check then press start...

Страница 24: ...ensor value digit The last digit has no effect on the output value and it likely not stable due to background noise Hold This button is used to hold the Raw Sensor Value and stop it from changing Pres...

Страница 25: ...nto the probe Bearing in mind that the constants are not loaded till sent but it is possible to check the calibrated values which are simulated at the bottom of the screen under Simulated probe values...

Страница 26: ...sor value have stabilized the press HOLD Enter set point and then CALCULATE AND SAVE Low Conductivity Range us cm Calibration 1 First ensure that the temperature sensor is reading accurately and if ne...

Страница 27: ...hen confirm set point then CALIBRATE AND SAVE button pH Calibration The pH sensor is calibrated using buffer solutions with a pH of 3 9 0 for low and 6 12 high If the probe is fitted with a refillable...

Страница 28: ...also require calibration To perform the depth calibration you need to lower the probe to a known depth in the water This can be done by placing a mark on the probe cable at a measured distance from t...

Страница 29: ...logger is run the raw battery voltage will be populated here By entering the real voltage a coefficient will be generated and can be passed to the logger This value has been set at the factory with ac...

Страница 30: ...o the same coms port number each time the program is opened Auto connect to USB adapter prolific on start the program will search for the connected USB adapter supplied The prolific reference refers t...

Страница 31: ...Edit Channel Display Precision Chart Used to set the name of the parameters which parameters display values and charting and what precision they are...

Страница 32: ...olution It is advisable to buffer this solution to bring it to approximately pH 5 or 6 A small amount of this solution is best put in the small pH sensor cap The sensor section of the probe should be...

Страница 33: ...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...

Страница 34: ...3 2005 ELECTRICAL INSTALLATIONS CLASSIFICATION OF THE FIRE AND MECHANICAL PERFORMANCE OF WIRING SYSTEM ELEMENTS APPENDIX E MECHANICAL TEST METHOD CUTTING TEST at 40o C and 110o C Calibration This unit...

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