Analyzer Preparation
II-14
Thermo Scientific Orion 2120XP Calcium Hardness Analyzer User Guide
8. Invert the electrolyte bottle and snap it into the clip. Refer to
Figure
II-11
. Use the pushpin supplied with the reference electrode to
puncture three air vents on the bottom of the filling solution bottle.
Caution:
Failure to vent the filling solution bottle will lead to noisy
and drifting output signals.
9. Plug the electrode cable marked “Reference” into the top of the
electrode, and tighten the screw cap. Be sure to push back the black
cap to verify a secure connection between the male and female pin
connection prior to tightening.
10. Tighten the screw cap connection to the cable.
Note:
Do not twist the cable while tightening the connection. Twisting
may cause damage requiring premature replacement of the cable.
11. Insert the reference electrode into its port in the flow cell cap. Refer
Figure II-9
for the location.
Air Vents
Bottle
Clip (on Panel)
Figure II-11
Reference Mounting Clip
