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

TRIS compatible, rugged, and convenient

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

Single-junction models with Ag/AgCl reference element

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

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

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

Combination electrode with built-in ATC probe

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

Ideal for measurements in small vessels or with small samples

Single-junction Ag/AgCl flat surface model

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

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.

Measure many types of samples, especially those that are thick or viscous, with this pH electrode with waterproof connector that provides a clog-resistant, easy-to-clean sleeve junction.

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

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

Outstanding value at an economical cost.

Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion 815600 ROSS Combination pH Electrode.

Measure both pH and temperature in samples with these low maintenance, pH/ATC combination electrodes.

Replacement Electrodes

Obtain precise pH determinations and a toughened bulb for rugged lab use with the Thermo Scientific™ Orion™ 8104BNUWP ROSS Ultra™ pH Electrode.

A combination pH electrode with an integrated temperature sensor, PEEK plastic shaft for chemical and mechanical durability, and a fixed cable. Designed for use in a variety of applications, both indoor and outdoor (IP67 rated).

Conduct routine pH measurements with this pH combination electrode, which has unbreakable epoxy body that extends beyond the pH sensing glass bulb, making it ideal for rugged conditions.

Fast, accurate response despite temperature changes

Combine the convenience of a combination electrode with built-in ATC probe

Ideal for microwell plates, serum cups, cuvets, micro test tubes, NMR tubes and capillary tubes

Obtain precise pH determinations in micro volume samples with this general purpose, semi-micro tipped combination electrode with top-performance glass body.

For easy measurement of small samples in long and narrow vessels.

Large junction for increased flow, minimal clogging

Go environmentally friendly by choosing one of the first lab pH electrodes to meet RoHS requirements.