A SERVICE OF

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10
3.) Using dropper provided, add about 2 mL of carbon
dioxide internal fill solution HI 4005-40 into outer
probe body.
IX. IX.
IX. IX.
IX.
Electrode PreparationElectrode Preparation
Electrode PreparationElectrode Preparation
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-
able membrane caps (two which are spares). Remove
a cap from membrane box and screw on to lower
threads of outer probe body, compressing the o-ring
seal. Avoid touching working area of membrane with
your fingers as skin oil will change the membrane
properties.