pH Probe

Price: $79

The Model 121 General Purpose pH Electrode is a reliable and durable sensor to measure pH. They are sensitive to temperature and must not freeze.  


Quick Facts

Applications: Environmental Testing, Water Testing, Titrations, Acid Base Chemistry

Features: Rugged, Fast, Accurate, Works with a Wide Variety of Solutions

Technical Description

The microLAB pH Electrode is a combination pH electrode that utilizes a proprietary glass technology. This technology yields a fast response to changes in pH compared with other glass pH technologies. This pH probe is for use in water or other non-corrosive liquids.

Technical Specifications

pH Range:



0.01 pH units


0.03 pH units with calibration 0.5 pH units using internal calibration

Temperature Range:

0-80° C

microLAB Input:

BNC connector


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MicroLab takes great pride in offering our clients the best possible customer service and technical support. The development staff at MicroLab are all active university scientists/educators and stand ready to help you. If you need assistance or specifications, help with an idea or have an idea, please do not hesitate to give us a call, email us, or fill out the form below. If you would like to preview our products first-hand, check out our homepage for upcoming conferences.

Be sure to check out the help center page for information that will help readers make informed decisions about MicroLab’s use in their labs and with their students