Electrodes and Accessories
Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents
Take more accurate and reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Ionic Strength Adjustors (ISA) and Special Reagents.
Thermo Scientific™ Orion™ pH Electrode Cleaning and Storage Solutions
Restore proper electrode performance and prolong electrode life using Thermo Scientific™ Orion™ pH Electrode Cleaning and Storage Solutions.
Thermo Scientific™ Orion™ DuraProbe™ 4-Electrode Conductivity Cells
Virtually eliminate fringe field interference errors with the Thermo Scientific™ Orion™ DuraProbe™ 4-Electrode Conductivity Cells.
Thermo Scientific™ Orion™ 9107BN Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe
Operate the highly-versatile Thermo Scientific™ Orion™ 9107BN Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe in either the field or a plant.
Thermo Scientific™ Orion™ PerpHecT™ ROSS™ Combination pH Micro Electrode
Measure micro volume samples with this refillable, glass double junction electrode.
Thermo Scientific™ Orion™ Fluoride Electrodes
Quickly, simply, accurately and economically measure free fluoride ions in aqueous solutions with the combination Thermo Scientific™ Orion™ Fluoride Electrodes.
Thermo Scientific™ Orion™ Versa Star Conductivity Measurement Module
Add conductivity, TDS, salinity, resistivity and temperature measurement capabilities to your Versa Star meter using the Thermo Scientific™ Orion™ Versa Star Conductivity Module
Thermo Scientific™ Orion™ Resistor Kits and Accessories
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
Thermo Scientific™ Orion™ Surfactant Half-Cell
Conduct end point detection in titrations of anionic or cationic surfactants in a solution with the Thermo Scientific™ Orion™ Surfactant Half-Cell.
Thermo Scientific™ Orion™ Automatic Stirrer Probe and Paddle
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
Thermo Scientific™ Orion™ ROSS™ Sure-Flow™ pH Electrode with Sure-flow junction, BNC connector
Measure general pH samples as well as viscous or colloidal samples with the Thermo Scientific™ Orion™ 8172BNWP ROSS™ Sure-Flow™ pH Electrode.
Thermo Scientific™ Orion™ ROSS Ultra™ Low Maintenance pH/ATC Triode™ Combination Electrodes
Measure both pH and temperature in samples with the Thermo Scientific™ Orion™ ROSS Ultra™ Low Maintenance pH/ATC Triode™ Combination Electrodes.
Thermo Scientific™ Orion™ 9810BN Micro pH Electrode
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.
Thermo Scientific™ Orion™ pH Electrode Filling Solution
Use Thermo Scientific™ Orion™ pH Electrode Filling Solution with pH electrodes and reference electrodes.
Thermo Scientific™ Orion™ 2-Electrode Conductivity Cells
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.
Thermo Scientific™ Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes for Orion Series Meters
Measure biological media, pharmaceuticals, foods and more with Thermo Scientific™ Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes.
Thermo Scientific™ Orion™ Inkjet Printer Replacement Parts
Select replacement parts for the Thermo Scientific™ Orion™ Star Series Inkjet Printer, including printer paper and ink cartridge
Thermo Scientific™ Orion™ Chloride Electrodes
Measure free chloride in the range of 1 x 10-5M to 1M with the Thermo Scientific™ Orion™ Chloride Electrodes.
Thermo Scientific™ Orion™ Stainless-Steel Automatic Temperature Compensation (ATC) Probes
Automatically correct pH measurements for variation in electrode slope due to temperature change.
Thermo Scientific™ Orion™ 9863BN Micro pH Electrode
Measure pH by piercing septa with the Thermo Scientific™ Orion™ 9863BN Micro pH Electrode, a bevel needle-tipped 16-gauge glass body combination electrode.
Thermo Scientific™ Orion™ AUTO-STIR™ BOD Probe
Accurately and conveniently conduct dissolved oxygen measurements with the Thermo Scientific™ Orion™ AUTO-STIR™ BOD Probe.
Thermo Scientific™ Orion™ High-Performance Ammonia Electrode
Obtain a more linear response at lower levels and improved response time in ammonia measurements with the Thermo Scientific™ Orion™ High-Performance Ammonia Electrode.
Thermo Scientific™ Orion™ 8102BNUWP ROSS Ultra™ pH Electrode
Conduct precise pH determinations with this general purpose, top performance glass body combination electrode with waterproof BNC connector.
Thermo Scientific™ Orion™ RDO™ Probe Optical Cap Replacement
Use the probe optical cap replacement with RDO probes.
Thermo Scientific™ Orion™ Swing Arm Electrode Stand
Quickly move electrodes between samples with the Thermo Scientific™ Orion™ Swing Arm Electrode Stand, featuring 360 degrees of motion and cable management system
Thermo Scientific™ Orion™ Total Alkalinity Test Kit 
Save time by eliminating additional equipment set-up, titrations and calculations with this total alkalinity test kit that provides two-step direct measurement.
Thermo Scientific™ Orion™ Triode™ 3-in-1 pH/ATC Probe
Operate this highly-versatile probe in either the field or a plant. Contains a low-maintenance, gel-filled electrode with built-in ATC.