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SX716 Portable DO Meter

Instruction Manual

APERA INSTRUMENTS, LLC

www.aperainst.com

Содержание SX716

Страница 1: ... 1 SX716 Portable DO Meter Instruction Manual APERA INSTRUMENTS LLC www aperainst com ...

Страница 2: ... 8 4 4 Special Notes 9 4 5 Parameter Setting 10 4 6 Replace the Membrane Cap 12 4 7 Zero Oxygen Calibration 13 4 8 Salinity Calibration 14 4 9 Barometric pressure Setting 14 5 Meter s Complete Kit 14 6 Warranty 15 7 Appendix 15 7 1 Appendix 1 Meter Parameter Setting Schedule 16 7 2 Appendix 2 Content of Saturated Oxygen in Water at Different Temperature 16 7 3 Appendix 3 Content of Saturated Oxyge...

Страница 3: ...nd etc especially suitable for in field use With its built in microprocessor chip elegant design multi functions and user friendliness this meter has the following features 1 1 Built in microprocessor chip with the intelligent functions of automatic calibration automatic temperature compensation data storage function setting auto power off and low voltage display etc It comes with calibration solu...

Страница 4: ...g L connect meter with electrode 0 40 mg L Response time 30s 25 C 90 response Residual current 0 1 mg L Temp compensation range 0 to 45 C automatic Salinity compensation range 0 to 45 ppt automatic Barometric pressure compensation range 66 to 200 kPa manual Automatic calibration Air saturated by water water saturated by air Electrode type Polarographic 2 2 Other Technical Parameters Data storage 1...

Страница 5: ...rial number and icon as measuring value to be stored and recalled and indication icon for special states M measuring value to be stored RM Stored value to be recalled Measurement unit Temperature measuring value and unit Measuring value to be stable icon Electrode calibration indication icon Indication icon of low battery power appears when the voltage is less than 2 6V calling attention to replac...

Страница 6: ...ct it 3 2 5 The combination key of storing and recalling a Short press press time less than 1 5s to save the readings long press press time more than 2s to recall the saved readings when in the measuring mode b When in the parameter setting state press this key to change the number or ON OFF state 3 3 The Storage Recall and Deletion of Measurement s Information 3 3 1 Store the measuring informatio...

Страница 7: ... key to turn on 4 1 2 Choose units Long press to choose unit mg L ppm or then release 4 1 3 Check the DO500 DO electrode see picture 4 1 unplug the bottom lid of electrode calibration cover inspect whether the sponge inside is fully soaked If it is not please drop some distilled water then place the calibration cover upside down to remove the rest of the distilled water Attention Do NOT leave wate...

Страница 8: ...he display value is unstable please wait for several minutes and press key until the display value is completely stable 4 3 Water Sample Test 4 3 1 To take measurments in flowing water water sample velocity of flow 5cm s Insert the DO electrode into the water water surface level should be higher than the location of the thermistor on the electrode the angle for the electrode and water should be 45...

Страница 9: ...the auto power off function is turned off by default 4 4 3 During DO test temperature affects a lot on the measuring value Because the thermistor of DO electrode is installed on the electrode housing directly touching the water the thermistor and DO sensor have different sensing ablilities on the waer s temperature Generally it will take 3 to 5 minutes to make the thermistor temperature and the ac...

Страница 10: ...trode be stored under humid conditions 4 4 9 For the salinity electrode installed in DO electrode see picture 4 1 its surface is plated with a layer of metal platinum black to reduce electrode polarization The surface of platinum black can not be brushed It can only be washed by shaking in water in case of damaging the platinum black coating Wash the organic component pollution with warm water con...

Страница 11: ...e calibration will be finished after several seconds and the meter will display a stable salinity value c Press key to enter the next parameter setting or press key to confirm and return to the measuring mode 4 5 4 Barometric pressure setting P3 a Under mode P2 press key to enter P3 mode the LCD displays a barometric pressure measuring value set earlier unit is kPa such as 101 3 kPa shown as pictu...

Страница 12: ...irm and return to measuring mode d The default setting for P6 is 0 min see item4 4 2 4 5 8 Restore to factory default setting P7 a Short press key in mode P6 to enter mode P7 see picture 4 8 b Press or key to choose On meaning that parameters have been restored to the factory default setting mode and the meter returns to measuring mode after 2 seconds 4 6 Replace the Membrane Cap When electrode s ...

Страница 13: ... is no need to do zero oxygen calibration To do zero oxygen calibration follow the next steps a Prepare 100mL of anaerobic water In a 100 mL beaker add 5g anhydrous sodium sulfite Na2SO3 add 100 mL distilled water stir to dissolve The anaerobic water is effective within 24 hours b To polarize electrode by connecting it into meter for 15min and then do calibration according to the 4 2 1 c Put the e...

Страница 14: ...as already been calibrated before leaving factory For the procedure of salinity calibration please refer to 4 5 3 in P2 4 9 Barometric pressure setting The meter has the function of manual Barometric pressure compensation It is suggested to reset the value according to the standard Barometric pressure table when there is a big change in Barometric pressure in order to ensure the accuracy of Barome...

Страница 15: ...f two years from the delivery a six month limited warranty applies to electrodes and the electrode s accesories This warranty does not apply to defects resulting from actions such as misuse violation of the instructions in this manual or operations in the manner not specified in this manual improper maintenance and unauthorized repairs Warranty period is the time limit to provide free service for ...

Страница 16: ...Resolution selection 0 01 0 1 mg L and ppm 0 1 1 P2 Salinity calibration P3 Barometric pressure setting P4 Temperature unit setting P5 Back light display time setting 0 1 3 6min P6 Auto power off time setting 0 10 20min P7 Restore to factory default setting OFF On 7 2 Appendix 2 Content of Saturated Oxygen in Water at Different Temperature ...

Страница 17: ...8 73 38 6 63 7 12 11 23 8 57 39 6 53 8 11 81 24 8 41 40 6 43 9 11 53 25 8 25 41 6 34 10 11 26 26 8 11 42 6 25 11 11 01 27 7 96 43 6 17 12 10 77 28 7 82 44 6 09 13 10 53 29 7 69 45 6 01 14 10 30 30 7 56 15 10 08 31 7 43 7 3 Appendix 3 Content of Saturated Oxygen at Different Barometric pressure Barometric pressure Dissovled Oxygen Concentration mg L mmHg kPa 15 25 35 750 100 00 9 94 8 14 6 85 751 1...

Страница 18: ...0 10 19 8 34 7 02 769 102 53 10 21 8 35 7 03 770 102 66 10 22 8 36 7 04 771 102 80 10 23 8 37 7 05 772 102 93 10 25 8 39 7 06 773 103 06 10 26 8 40 7 07 774 103 19 10 28 8 41 7 08 775 103 33 10 29 8 42 7 09 Conversion between mmHg and kPa mmHg 0 13333 kPa DOpt P DOt 760 Note DOpt DO concentration under temperature t Barometric pressure P mg L P Barometric pressure mmHg DOt DO concentration under t...

Страница 19: ...49 70 17 527 5 71 3000 915 90 95 683 7 41 10500 3201 68 84 517 5 61 3500 1067 89 35 671 7 28 11000 3354 67 38 506 5 49 4000 1220 87 75 659 7 15 12000 3659 66 58 500 5 42 4500 1372 86 15 647 7 02 13000 3963 65 78 494 5 36 5000 1524 84 56 635 6 89 14000 4268 64 98 488 5 29 5500 1677 83 09 624 6 77 15000 4573 64 18 482 5 23 6000 1829 81 63 613 6 65 16000 4878 63 38 476 5 16 6500 1982 80 03 601 6 52 1...

Страница 20: ... 20 APERA INSTRUMENTS LLC Address 6656 Busch Blvd Columbus Ohio 43229 Tel 1 614 285 3080 Email info aperainst com Website www aperainst com ...

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