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

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

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

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

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

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

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

Precisely measure with ion-selective electrodes using this sleeve-type Ag/AgCl reference electrode.

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

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

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.

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

Perform ISE determinations with the Thermo Scientific™ Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode, a double junction reference electrode.

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

Operate this highly-versatile probe in either the field or a plant.

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.

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

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

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

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

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

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

Use the probe optical cap replacement with RDO probes.

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

Keep your Thermo Scientific™ Orion™ Chlorine XP chlorine analyzer well supplied with the reagents it needs for Free Chlorine and Total Chlorine measurement (DPD method).

Choose from loose or preassembled membranes for ease of use with Thermo Scientific™ Orion™ Gas-Sensing ISE membranes.