So How Do ORP Sensors Work?
ORP sensors, also known as Redox sensors, are used to measure the oxidation-reduction potential (ORP) of a liquid or chemical in industrial applications. ORP, also known as Redox, is a measure of the ability of a chemical species to accept or donate electrons. It is typically measured in millivolts (mV) and is used to determine the purity, strength, or concentration of a liquid or chemical.
An ORP sensor typically consists of a reference electrode and a working electrode. The working electrode is placed in contact with the liquid or chemical and the reference electrode is placed in a separate compartment. A small current is passed between the electrodes and the voltage between the electrodes is measured. This voltage is directly related to the ORP of the liquid or chemical and is used to determine the ORP.
ORP sensors can be used to measure a wide range of liquids and chemicals, including water, wastewater, and various types of chemicals used in industrial processes. They are typically used in applications such as water treatment, electroplating, and food and beverage processing.
ORP sensors are typically made of durable materials such as stainless steel or other corrosion-resistant materials to withstand the harsh conditions of industrial environments, including high temperatures and pressures, vibration, and corrosive or abrasive liquids and chemicals. They can be connected to a control system using a variety of communication protocols such as 4-20mA, HART, Modbus, Profibus, etc.
One of the main benefits of using an ORP sensor is that it allows for a more accurate measurement of the ORP of the liquid or chemical. This is because the ORP measurement is not affected.
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