Instructions Manual

Pub. #OM17-MSP3
5-8
pH Electrodes
Figure 20
• Antimony is harmful if ingested into your skin, mouth, or lungs
-Do not touch antimony electrode tip
-If grinding or sanding antimony tip wear mask to prevent inhalation
-Always use proper soaker solution: Veris part #23395
-Keep moist; put in soaker solution if mapping (washing) is interrupted for 15 minutes
-Replace soaker solution every week or more frequently if it gets diluted with tap water or dirty
-If soaker solutions is unavailable, use pH buffer 4; never soak in distilled or de-ionized water
-remove from holder and place in individual soaker bottles in freezing temperatures and when unit
will be idle for long periods
-keep cover over BNC ports on external controller whether electrodes are attached or unattached
-Scuff with pad if white film is on Antimony Tip
Figure 21
Leave BNC cover on whenever unit is in
operation or stored outdoors. Do not
allow moisture into BNC connections.
electrode body
reference junctions
electrode face
antimony measurement tip