pH Electrodes, Conductivity Cells, Industrial Electrodes, etc.
Micro Combination pH Electrodes measure small samples and are available in a variety of sizes, including a needle tip to pierce septa and a long-bodied electrode. With Ag/AgCl references, Micro-pH electrodes provide fast, stable responses with a minimum of sample.
pH electrodes are tough epoxy bodied combination pH electrodes with a gel filling so you never need to worry about electrode maintenance or refilling again. They are compatible with nearly every pH meter straight out of the box or with a simple adapter cable.
Single or double junction for demanding application
Choice of sizes and lengths available.
Standard models feature an extended body which protects the sensitive pH sensing bulb. You can even use an EpoxyTough to stir your sample with to get a fast stable reading.
pH Range: 0-14pH
Response: 95% in one second (bulb types)
Body material: Glass or Epoxy
Isopotential Point: 7.0 pH (0 mV)
Offset: +/- 0.20 pH
Cable length : 75cm
Adapters are available for DIN and US STD. Other connectors are also available as special order.
Combined Electrodes for pH Meters
Single pH Electrode
Glass Body - use with Reference
Reference Electrodes are necessary to complete a measuring circuit, when using half cell sensing electrodes. The reference electrode is usually based on Silver or Mercury.
Glass Body - Hg/HgCl2
Glass Body - Ag/AgCl
Glass Body - Hg/HgSO4
Oxidation Reduction potentials are measured by using ORP Sensors. The common metals used are Platinum and Silver.
ORP electrodes are provided with a platinum sensor for most applications
Featured in this section are plastic body ORP (REDOX) electrode bodies constructed of epoxy.
Only high grade platinum is utilized for outstanding performance. Both rod and band technology is available.
Silver is also available as alternate sensing noble metals
Single Silver - Use with reference
Single Platinum - Use with reference
Double Platinum - KF Titrations
Electrolytic conductivity is a measure of the ability of a solution to carry electric current . Solutions of Electrolyte, conduct an electric current by the migration of ions under influence of an electric field.
In most cases, conductivity measurement in water solutions indicates the concentration of dissolved salts. This gives important information when determining water quality or monitoring a specific ion in an industrial process such as salt in food manufacture.
Lab Use, Drinking water
Lab Use, Drinking, Surface & Waste Water
Boiler feed water
Autoclavable / Steam Sterilizable Electrodes
Sensor Tech offers high temperature, Steam Sterilizable Sensors for several types of process controls. pH monitoring plays pivotal role in process industries. Sensor Tech sensors are specially designed for critical biotech applications in various processes.
Chemical processes necessitate sensors to withstand acids or strong alkaline solutions at high temperatures.
Bioprocesses require Stream Sterilized Sensors in bio-reactors and fermentation vessels. Sensor Tech electrodes provide stable results and with stand repeated steam sterilization cycles.
Built in temperature - optional
Compatible with any pH transmitter / Meter
Temperature Range °C
Sealed, Threaded (High Temp.) 120mm PG 13.5
Sealed, Threaded (High Temp.) 175mm PG 13.5
Sealed, Threaded (High Temp.) 225mm PG 13.5
Sealed, Threaded (High Temp.) 325mm PG 13.5
Process applications present some major challenges to the pH measurement system. The most common are long distances, temperature extremes, electrical interferences, high pressure, junction poisoning or fouling and chemical/physical breakage. For each of these common problems, developed specific electrodes for excellent performance in all types of process applications.
Due to the high resistance of the glass membrane inside a pH electrode, conventional pH measuring systems utilize high impedance signal transmission. Poor insulation of the electrode connectors and cables results in high susceptibility to electrical leakage/noise and humidity which tends to give erroneous pH readings. As a result, particular care has to be taken in connecting the electrode to the metering system. For this conventional system, the cable length is restricted to typically less than 33 feet (10 m). A high impedance meter is required and it is necessary to provide for high insulation at all connections.