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... combination pH electrode with integrated temperature probe, SteadyForceTM and a MultiPinTM head - Designed for general laboratory applications; highly reproducible, maintenance-free and autoclavable Pure Pro-ISM - ...
... pH Sensors InPro: Gel-Filled Electrode for pH The InPro pH electrodes with temperature sensor, designed for measurement in bioprocesses where CIP and SIP procedures ...
... The pH / redox electrode system 2867 with industrial dip electrode is designed for pH and redox measurement in channels and open tanks. It is particularly suitable for use in effluent ...
... Combined pH electrode with double junction construction for pH measurements in non-aqueous media (e.g., for pHe in ethanol). The electrode is equipped with a fixed ground-joint diaphragm ...
Metrohm
... Maintenance-free pH electrode (gel electrolyte) for titrations in identical samples. This electrode is stored in c(KCl) = sat. (6.2308.000) and not suitable for ion-deficient solutions. Thanks to the ...
Metrohm
... Combined pH electrode for routine titrations in solutions that do not contain precipitates, proteins, or sulfides. This electrode is mechanically resistant thanks to the robust/unbreakable plastic shaft ...
Metrohm
... manufactures an extensive range of electrochemical electrodes - combined pH, glass or reference electrodes, metal electrodes, ion-selective electrodes ...
HACH LANGE
... Digital pH/ORP armature to be used with electrodes, connectable to the IQ SENSOR NET SensoLyt®700 IQ – digital pH/ORP armature with integrated preamplifier and temperature sensor as well as lightning ...
Xylem Analytics Germany Sales GmbH & Co. KG.
... The sension Gel-filled pH Electrode uses a silver/silver chloride reference element with a glass frit junction and a full-range pH glass that can be used in a wide variety of applications, especially ...
... Reference electrode for Swansensors pH FL and Redox FL including filling solution. Electrode in mechanically and chemically inert plastic case (IP68). Poisoning protected Ag/AgCl-reference system. Clogging ...
... pH sensor with reference electrode in mechanically and chemically inert plastic case (IP68) for the measurement of pH in power plants. Poisoning protected Ag/AgCl-reference system. Clogging of the reference ...
... Combined electrode with gel filling for standard applications, PG13.5, screw plug Maintenance-free pH electrode in mechanically and chemically inert plastic case (IP68) with excellent life time. Poisoning ...
... and vibrations
... , refillable, double junction pH electrode that has a built-in temperature sensor. This probe features a 3.5 mm connector designed exclusively to be used with Hanna Instruments edge® Tablet Meters. The HI10530 electrode ...
Hanna Instruments
... pH Range - 0 – 13 Cable Length - 1 metre Combination - Yes Connector - BNC Temperature Range - 0 – 80°C Shaft Length - 120mm ± 5mm Shaft Diameter - 12mm Junction Type - Replaceable Ceramic Reference Type - Ag/AgCl, ...
SENTEK Ltd.
... Walchem’s WEL Series electrodes are cost-effective differential pH and ORP electrodes for industrial applications. They are modular in design with a rugged CPVC housing that contains the electronics; ...
... Our pH electrodes are designed to meet the requirements of a wide variety of laboratory applications. pH electrode options include single, double or triple junction, 3-in-1, micro for ...
... non-ATI pH/ORP analyzers. The sensors require no power supply as the preamplifier is powered by an internal lithium battery. The pH sensor outputs a mV signal in the range of either -500 to +500 mV or 0 to 2 VDC; both ...
... Immersion type detector used for pH / ORP measurement in open channels and tanks, with electrodes built into the electrode holder. There are KCI replenishment type and KCI non-replenishment type electrodes. For ...
DKK-TOA CORPORATION
... Mono-tubular combined electrode for measuring the pH and an S401 V/G pH Electrode that is to be utilized for general purposes. Its measuring method is characterized as Potentiostatic ...
CHEMITEC
... band for a fast stable response. The P14 and O14 electrodes have an Epoxy body while the PII and O11 electrodes have a Glass body. The GT135 pH Electrodes have minimum drift due to a ...
LTH Electronics Ltd
... pH combination electrode for swimming pool and aquarium water robust plastic shaft with integrated pH membrane protection refillable electrolyte ...
Sensortechnik Meinsberg GmbH
... Closed electrode shaft No topping up of KCl electrolyte required Protected reference system of the integrated reference electrode with long diffusion path of up to 120 mm Significantly longer service life Quick response, ...
DOSATRONIC GmbH
... reference electrodes used in differential pH electrodes are not subject to the negative effect that stray currents have on inner metal electrodes of traditional reference electrodes. ...
CLR
... a wide variety of pH electrodes that are designed for many different applications. Hanna Instruments offers a wide variety of pH electrodes that are designed for many different applications. ...
... ORP with a pH electrode will yield an unacceptable offset in mV. An oxidizing agent such as quinhydrone (cyclohexadiene) must be added to the buffer to develop a measurement standard. Being acidic, the quinhydrone must ...
... of a range of pH electrodes and probes that are fully interchangeable and designed for use with the 8000, 8100, WalkLAB and MicroBench pH meter or similar pH meter. All ETI pH ...
A pH electrode is a glass or metal probe used to measure hydrogen ion activity. A combination electrode includes the reference element.
ApplicationsThe glass electrode is attached to a pH meter to measure the pH of organic or mineral substances or solutions, or of biological or water samples.
TechnologiesThe glass electrode has a very thin-walled tip and contains a saturated solution of potassium chloride. The membrane potential differs from that of the reference electrode, a function of the solution's pH. A combination electrode incorporates the reference element, often a silver wire covered with silver chloride. The wire constitutes a redox couple or half cell.
The glass electrode loses accuracy over time and must be recalibrated periodically using a buffered solution of known pH (pH 4, pH 7 or pH 10). It is also stored in a special solution when not in use. Some models require regular replenishment of the saturated solution. At high pH, other cations, especially sodium and lithium, can affect measurements (alkaline error). The electrode should never be left in a concentrated sodium solution.
Combination glass or metal electrodes are usually chosen for laboratory measurements. Other options include flat and penetration electrodes, and insertion or immersion models for field use. The nature of the material to be tested may require use of a double- or triple-junction electrode.
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