Replacement DO Membrane Caps for HI 76407-series Polargraphic Dissolved Oxygen Probes, 5/PK, Hanna Instruments, HI76407A/P

Hanna Instruments® Replacement DO Membrane Caps for HI 76407-series Polargraphic Dissolved Oxygen Probes, 5/PK, Hanna Instruments, HI76407A/P

Features:

• Pre-assembled, ready-to-use, screw-on replacement membrane caps for Polarographic HI 76407 (91-6403-03) and HI764073 (90-6400-84) Dissolved Oxygen Probes
• Caps are constructed of durable ABS plastic with polytetrafluoroethylene (PTFE) oxygen permeable membranes
• Membranes separate probe's cathode and anode from the water being measured
• Oxygen diffuses across the membrane and interacts with the polarographic system to produce current proportional to oxygen concentration
• Supplied in a kit of 5 membrane caps
• Refilling electrolyte solution must be purchased separately HI7041S (90-6400-81)