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Yeo-Kal Electronics Pty Ltd 18/26 Wattle Road, Brookvale NSW Australia 

Tel61 2 9939 2616 Fax +61 2 9905 1100 

 

 

USER MANUAL 

Model  801C Optical DO and Temperature Sensor with 

S618 Reader/Logger 

Version  1.1 
Date 

28/7/2021 

 

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 means without the 
express written permission of YEO-KAL Electronics Pty Ltd. All trademarks are the property of their 
respective companies. 

© 2021Yeo-Kal Electronics Pty Ltd 

 

 

Summary of Contents for 801C

Page 1: ...der Logger Version 1 1 Date 28 7 2021 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 rep...

Page 2: ...10 OPERATION 11 OPERATING INSTRUCTIONS 11 KEY PAD DESCRIPTION 12 UPLOAD DATA FROM S618 TO PC 13 Clear Store Memory 1 13 Calibration Constants to PC 2 13 Store Data out 3 13 Logged Data Out 4 13 MAIN...

Page 3: ...RE CALIBRATION 17 OPTICAL DO CALIBRATION 22 INTERNAL BLUETOOTH AND GPS 23 BLUETOOTH 23 One off Pairing 23 GPS 23 BLUETOOTH AND GPS POWER 23 MAINTENANCE 24 READER UNIT MAINTENANCE 24 BATTERY REPLACEMEN...

Page 4: ...ily down loaded to a computer using the data transfer program YK Quick Terminal The battery charger is supplied with this reader unit Specifications Reader Unit Display TFT LCD with colour selectable...

Page 5: ...0 05 C Resolution 0 01 C Type Pt 1000 platinum element Optical DO Range 0 200 saturation 0 20 mg l Accuracy 0 5 Resolution 0 1 Physical Cable length 3 m or 10 m Other lengths made to order up to 100 m...

Page 6: ...unted on the front panel On the bottom of the case is a probe charging connector The connector also has a polarising pin so that an incorrect connection cannot be made Inside the reader unit a CPU con...

Page 7: ...nectors are numbered in clockwise order from the polarising pin see figure 2 The following table lists the purpose of each pin on the connector Communications Pin 1 Ground Negative Pin 2 12VDC Positiv...

Page 8: ...permanently connected to the probe body to eliminate the need for underwater connectors In the event of the cable being cut the probe has a waterproof seal between the cable connection and the interna...

Page 9: ...th for robustness and corrosion resistance The temperature sensor requires little maintenance See Figure 4 Figure 4 Temperature sensor Optical DO Sensor Optical DO will emit an infrared light when exc...

Page 10: ...e sensor connector of the reader unit The connector cap is attached to the reader unit by a chain so that it can be replaced whenever the probe assembly is disconnected To connect the probe assembly a...

Page 11: ...Figure 6 On off menu keypad When the unit is switched on the display will briefly show the serial number of the instrument and the version number of the software loaded in the reader unit If the prob...

Page 12: ...lows Main Menu 1 Calibration Calibrate sensors 2 Logger Settings Clear Memory logging settings and arm 3 Real Time Real time data display 4 Upload to PC Upload data and constant to PC by Bluetooth 5 U...

Page 13: ...ld spot measurements To store a reading while in the field simply press the STORE key The data will be down loaded in the order in which it is stored so keep a record of the site at which each measure...

Page 14: ...to PC and press ENTER 2 For Bluetooth Upload go 8 select By Bluetooth or Data Cable 3 Pair PC Bluetooth to R801B reader unit 4 Calibrated constants or All Data or STO data the data is sampled stored...

Page 15: ...ructions 2 Set Logger TAG if want a tag name for the logging 3 Set START STOP time and sample rate and press STORE button to arm the logger The instrument is now programmed The logger will automatical...

Page 16: ...e sensors are displayed can be arranged by selecting 1 or 2 To save the settings press STORE Live Real Time 4 Real time data to PC Average 5 From main MENU select R801B Settings Set Average and then f...

Page 17: ...ibration The standard solutions are available from YEO KAL Electronics Pty Ltd or most major scientific suppliers Note Zero calibration will overcome offset due to optical obscuration This the most im...

Page 18: ...ate the low temperature range 0 20o C Press ENTER to proceed Place the probe into a stirred water bath 3 After pressing ENTER raw data from the temperature sensor will appear Wait until the readings a...

Page 19: ...19 4 Use ENTER key and arrow keys to Set LoVal temperature 5 If you proceed with the high range calibration Select Hi Pt Raw by using the arrow keys and press ENTER...

Page 20: ...TER the raw data is displayed 8 Immerse the probe in a stirred water bath held at a constant temperature between 25o and 50o C and wait for the probe to reach a constant temperature Make a note of the...

Page 21: ...21 9 Use ENTER key and arrow key Set Hi Val temperature value 10 Select Done Cal Press ENTER 11 The temperature calibration is now complete...

Page 22: ...raw data from the Optical DO sensor will appear wait until the readings are stable and press ENTER 2 Use ENTER key and arrow keys to Set Lo Val as 0 Optical DO 3 If you proceed with the high range ca...

Page 23: ...our Bluetooth documentation It is generally possible to find the serial port assigned by going to the properties of the Bluetooth device and locating services The communication port can be handled dif...

Page 24: ...hough any data stored in the memory will be retained When this occurs the only way to restart the instrument is to recharge the batteries Ensure that the connector caps are secured onto any connectors...

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