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

TRIS compatible, rugged, and convenient

Restore proper electrode performance and prolong electrode life using Thermo Scientific™ Orion™ pH Electrode Cleaning and Storage Solutions.

Single-junction models with Ag/AgCl reference element

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.

Keep your pH probes clean and properly stored for longevity

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

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

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

Use Thermo Scientific™ Orion™ pH Electrode Filling Solution with pH electrodes and reference electrodes.

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.

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

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

Ideal for measurements in small vessels or with small samples

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

Perform accurate, reproducible pH calibrations with color-coded Thermo Scientific™ Orion™ pH Buffer Bottles.

Restore proper electrode performance and prolong electrode life using the Thermo Scientific™ Orion pH Electrode Cleaning and Storage Solutions.

Ideal for meaurement in thick or viscous samples, but compatible with all sample types. 

For use on accumet™ Excel (XL) series benchtop meters

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

No more waiting for pH readings to stabilize when measuring samples of varying temperatures.

For accumet Benchtop and Portable Meters

Recommended for stability at higher temperatures and for use with strongly basic samples

Quickly, simply, accurately and economically measure free fluoride ions in aqueous solutions with the combination Thermo Scientific™ Orion™ Fluoride Electrodes.

Fisherbrand™ accumet™ AE series pH electrodes support the accumet™ AE150 pH meter for routine pH measurements a budget-friendly price.

Fast, accurate response despite temperature changes

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.