Hanna Instruments HI 4105 User Manual

Page 6

4) Insert and position the inner glass/reference assem-

bly into the outer body so that the anti-rotation key
sits in the cut out on the outer 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 electrode in gas sensor test vessel

or in electrode holder and connect cable connector to
pH/mV meter.

3.) Using dropper provided, add about 2 mL of carbon

dioxide internal fill solution HI 4005-40 into outer
probe body.

IX.

IX. Electrode 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.

XID

HI 4105

XID

HI 4105