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

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.

TRIS compatible, rugged, and convenient

Single-junction models with Ag/AgCl reference element

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

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

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

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

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

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

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

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

Combination electrode with built-in ATC probe

Ideal for measurements in small vessels or with small samples

Use the Thermo Scientific™ Orion™ Star A Series Benchtop Meter-Attached Electrode Stand to easily place sensors in samples, simplify rinsing and storage and minimize breakage

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.

Operate the highly-versatile Thermo Scientific™ Orion™ 9107BN Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe in either the field or a plant.

Replacement/accessory for accumet AP85, AP84, AP72, AP71 Portable Meters

Keep your pH probes clean and properly stored for longevity

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

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.

Maintain pH electrodes more effectively with Thermo Scientific™ Orion™ ROSS™ All-in-One™ pH Buffer Kits.

Single-junction Ag/AgCl flat surface model

Fast, accurate response despite temperature changes

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

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.

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