Optimal for lab use and precise Q.C. measurements.

TRIS compatible, rugged, and convenient

For calomel single-junction electrodes; outer chamber of Ag/AgCl double-junction electrodes; Fluoride, Sodium Combination ISEs, accupHast and accuTupH electrode outer chambers.

Keep your pH probes clean and properly stored for longevity

Restore proper electrode performance and prolong electrode life using these pH electrode cleaning and storage solutions.

Use NIST-traceable reference materials for the highest accuracy available. TraceableTM Conductivity Calibration Standards Certified Reference Material (CRM) offer easy calibration with included instructions and temperature chart.

Measure general pH samples as well as viscous or colloidal samples with the Thermo Scientific™ Orion™ 8172BNWP ROSS™ Sure-Flow™ pH Electrode.

For single-junction Ag/AgCl electrodes, Calcium Combination ISEs, inner chamber of many double-junction electrodes

Use this pH electrode filling solution with pH electrodes and reference electrodes.

Single-junction models with Ag/AgCl reference element

Perform accurate, reproducible pH calibrations with these color-coded buffer bottles.

Rugged polymer construction for handheld use with aqueous samples in the classroom or in the field

Measure biological media, pharmaceuticals, foods and more with Thermo Scientific™ Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes.

For routine pH and titration measurements with small samples and small vessels, where separate half-cell electrodes may be impractical

Eliminates impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna Instruments™ pH Electrode Cleaning Solution dissolves any mineral deposits or other coatings by soaking up to 20 minutes.

Combination electrode with built-in ATC probe

Dual junctions provide fast response and long life in paper pulp testing

Equipped with a special cap to facilitate easy filling of electrodes. Mettler Toledo™ KCl 3M Electrode Filling Solution is an electrolyte solution that enables optimum performance of pH and ion-selective electrodes. This bridge electrolyte contains no silver ions than can contaminate samples.

Ideal for measurements in small vessels or with small samples

Use NIST-traceable reference materials for the highest accuracy available. Traceable™ Conductivity Calibration Standards Certified Reference Material (CRM) offer easy calibration with included instructions and temperature chart.

Single-junction Ag/AgCl flat surface model

Conduct precise pH determinations with this general purpose, top performance glass body combination electrode with waterproof BNC connector.

Take more accurate and reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents.

Work with ease using this color-coded pH buffer kit that includes three buffers, storage solution and a storage bottle.

Quickly, simply, accurately and economically measure free fluoride ions in aqueous solutions with these fluoride electrodes.

The Thermo Scientific™ Orion™ 9165BNWP Combination Sure-Flow pH Electrode is a combination pH electrode with epoxy body for fast response in difficult samples and soils.

Measure many types of samples, especially those that are thick or viscous, with this pH electrode with waterproof connector that provides a clog-resistant, easy-to-clean sleeve junction.

Operate this highly versatile probe, which contains a low-maintenance, gel-filled electrode with built-in ATC, in either the field or a plant.

Measure micro volume samples with this refillable, glass double junction electrode.