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Membrane/membrane cap

IV.

IV.

IV.

IV.

IV.    Design Elements

Design Elements

Design Elements

Design Elements

Design Elements

The  Hanna HI 4105 Carbon Dioxide gas sensor has 3 main
parts. These  are the membrane/membrane cap, outer  probe
body with antirotation key and the pH/reference assembly
which includes the outer electrode cap, spring, inner cap
and pH/reference electrode assembly.

 Outer probe body

antirotation key                                             inner cap

                               pH/reference electrode assembly

                                                                      spring

                                                              outer electrode
                                                                     cap

      pH

                                                                    sensitive

  membrane

                                                                  Reference
                                                                    electrode

cable

O-ring

Содержание HI 4105

Страница 1: ...1 HI 4105 HI 4105 HI 4105 HI 4105 HI 4105 Carbon Dioxide Ion Selective Electrode Instruction Manual C A R B O N D IO X ID E HI 4105...

Страница 2: ...2...

Страница 3: ...t drinks or wine samples Carbonate and Bicarbonate ions are also measured by conversion to Carbon Dioxide gas upon ISA addition II II II II II Specifications Specifications Specifications Specificatio...

Страница 4: ...s back into bicarbonate and hydrogen ions The pH changes proportionally with the concentration of dissolved gas in the sample solution Dif fusionofCO2 continuesuntilthepartialpressuresofthegas in the...

Страница 5: ...ain parts These arethemembrane membranecap outer probe body with antirotation key and the pH reference assembly which includes the outer electrode cap spring inner cap and pH reference electrode assem...

Страница 6: ...ength Adjuster ISA 500 mL HI4005 00 Hanna 0 1 M standard 500 mL HI4005 01 Hanna 1000 ppm CO2 standard 500 mL HI4005 03 Please Note This calibration standards is ppm as CaCO3 See Section XVII for addit...

Страница 7: ...ed Surface coating on the PTFE membrane will effect the response Inspectsensorbeforeusing Washoffwitha jet of deionized water or mild detergent to remove film Replace PTFE membrane if damage is eviden...

Страница 8: ...rs with 50 mL deionized water These pH solutions contain chloride ions and pH buffers that are used to verify the inner electrode pH internal is operational See Section XVII for replacement accessorie...

Страница 9: ...lack band Test ConnecttheBNCconnectorontheelectrodecable toa pH mV mV or ORP mode meter Carefully immerse thesensorassemblyintooneofthebuffers Whenthe measurmentstabilizesrecordthemVgenerated Rinse se...

Страница 10: ...tion Electrode Preparation 1 Remove glass internal from sensor body and perform inner electrode check See section VIII 2 The HI 4105 sensor comes with three easily replace ablemembranecaps twowhichare...

Страница 11: ...probe body 5 Holding the electrode upright slide spring and elec trode cap down cable and screw cap on outer body until fully engaged Do not invert electrode Do not overtighten 6 Install assembled ele...

Страница 12: ...thedifferencebetweenthetwomVvalues An acceptable value for this slope is 54 4 mV at ambient temperatures between 20 and 25 C XI XI XI XI XI Corrective action Corrective action Corrective action Correc...

Страница 13: ...ollection bottle If sample must be stored keep sample at a lower temperature than it was collected at until time of measurement Add Hanna HI 4005 00 ISA just prior to measure ment to adjust standards...

Страница 14: ...red standards that are in the measurement range of the unknowns with ISA added are measured in mV mode on the meter These standards are plotted on semilog graph paper and their points are connected to...

Страница 15: ...amplesfirst Waitforastablereadingbefore reading recording values approximately 5 minutes 5 To prevent carry over and contamination of samples rinse sensors with deionized water and dab dry be tween sa...

Страница 16: ...l sensor slope but actual slopes at the temperature of measurement should be determined and used if possible This will improve accuracy 1 The volume of the unknown sample VSample is mea sured accurate...

Страница 17: ...l with an electrode 5 mL of ISA is added to the sample The sample is covered and permitted to mix throughly and continueously The mV is then recorded when the sensor has stabilized 2 5 mL VSTANDARD of...

Страница 18: ...or completely and rinse off the internal pH reference assembly the outer body and the membrane cap It is advised the membrane cap be discarded to prevent pos sible problems associated with reuse Cover...

Страница 19: ...4005 01 Hanna 0 1 M CO2 Standard 500 mL HI4005 03 Hanna 1000 ppm CO2 Standard 500 mL Please Note This calibration standard is ppm as CaCO3 For Maintenance For Maintenance For Maintenance For Maintenan...

Страница 20: ...om date of purchase when used for their intended purpose and maintained according to instructions If they fail to work whenfirstusedcontactyourdealerimmediately Damagedue to accidents misuse misapplic...

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