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

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

Virtually eliminate fringe field interference errors with the Thermo Scientific™ Orion™ DuraProbe™ 4-Electrode Conductivity Cells.

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

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

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

Add conductivity, TDS, salinity, resistivity and temperature measurement capabilities to your Versa Star meter using the Thermo Scientific™ Orion™ Versa Star Conductivity Module

Use the Thermo Scientific™ Orion™ Conductivity Resistor Kit to verify the performance of Versa Star and Star A series conductivity meters with 8 pin MiniDIN connectors

Conduct end point detection in titrations of anionic or cationic surfactants in a solution with the Thermo Scientific™ Orion™ Surfactant Half-Cell.

Use the Thermo Scientific™ Orion™ Star Stirrer Probe with Orion™ benchtop meters to stir solutions for better accuracy without the difficulty of using a stir plate and bar

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

Measure both pH and temperature in samples with the Thermo Scientific™ Orion™ ROSS Ultra™ Low Maintenance pH/ATC Triode™ Combination Electrodes.

Measure pH as low as 0.5μL samples in gels or micro containers with this small-tipped glass combination electrode for pH measurements in micro volume samples.

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

Perform applications in either the lab or the field with these versatile 2-electrode conductivity cells, available in a variety of materials and measurement ranges.

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

Select replacement parts for the Thermo Scientific™ Orion™ Star Series Inkjet Printer, including printer paper and ink cartridge

Measure free chloride in the range of 1 x 10^-5M to 1M with the Thermo Scientific™ Orion™ Chloride Electrodes.

Automatically correct pH measurements for variation in electrode slope due to temperature change.

Measure pH by piercing septa with the Thermo Scientific™ Orion™ 9863BN Micro pH Electrode, a bevel needle-tipped 16-gauge glass body combination electrode.

Accurately and conveniently conduct dissolved oxygen measurements with the Thermo Scientific™ Orion™ AUTO-STIR™ BOD Probe.

Obtain a more linear response at lower levels and improved response time in ammonia measurements with the Thermo Scientific™ Orion™ High-Performance Ammonia Electrode.

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

Use the probe optical cap replacement with RDO probes.

Quickly move electrodes between samples with the Thermo Scientific™ Orion™ Swing Arm Electrode Stand, featuring 360 degrees of motion and cable management system

Save time by eliminating additional equipment set-up, titrations and calculations with this total alkalinity test kit that provides two-step direct measurement.

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