Apera Instruments AI4110 DO500 Polarographic DO Electrode with 2-Meter Cable

Features:

• The replacement polarographic DO electrode for Apera SX716, SX725, SX726, SX736, SX751, SX816, SX836.
• Comes with the calibration sleeve
• Integrated temperature and salinity sensors
• Replaceable DO membrane cap (3 replacement membrane caps and an inner solution refill are included in the kit).
• Regular electrode polarization only takes 5 minutes. 
• Quick response -- measurement reaches 90% response within 30 seconds. 

Includes:

• DO500 DO electrode 1
• DO502 DO electrode inner solution (30mL) 1
• DO503 membrane cap 3
• DO504 Cathode polishing paper 2