Bluelab OnePen Replacement Probe

A replacement pH, Conductivity (EC), and Temperature Probe for Bluelab OnePen (PENONE)

Maximise the life & accuracy of your Bluelab OnePen

Features:

• Extends the life of your Bluelab OnePen, minimising the need for full device replacements
  
• Quick and simple to replace, reducing downtime and keeping your OnePen functioning optimally
  
• Built to last with a double-junction pH probe and titanium EC electrodes
  
• Delivers precise pH, Conductivity (EC), and Temperature readings with easy calibration
  
• Cost-effective, sustainable maintenance
  
• IP68-certified waterproof and dustproof