These electrode holders can be used with the Star A series portable meter armor and storage sleeve to protect, transport and store sensors in the field.

• Can be attached to either side of the portable meter armor
• Holder for pH electrodes holds one pH electrode when placed in the pH electrode storage sleeve
• Holder for conductivity and DO probes holds 12 mm diameter or 15 mm diameter conductivity probes and a dissolved oxygen probe when placed in its calibration sleeve