pH Meters
pH meters are scientific instruments which measure hydrogen-ion concentrations in a solution and indicate acidity and alkalinity. They measure the difference in electrical potential between a pH electrode and a reference electrode. In appearance, they can be a rod-like glass with a bulb containing the sensor at the bottom which is dipped into the solution. Alternatively, they can be a complex laboratory instrument with computer interfaces and several inputs to adjust for variations in pH levels caused by the ambient temperature. There are various types of pH testers. Pocket-sized and handheld portable meters are suitable for field work and the factory floor. Bench top models are the most accurate while in-line pH transmitters are suitable for process control and harsh environments. Potentiometric pH meters measure the voltage between two electrode and display the result converted into a pH value. The highly specialised holographic pH sensors measure colorimetrically. It is very important to calibrate these meters so they should be dipped into buffers or into a test solution of known pH value. pH meters have applications for both the laboratory and field work. They are used in agriculture, brewing and for checking water quality. In healthcare they ensure solutions are safe when applied to patients or lethal as disinfectants.
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YSI EXO 2 Coastal Anode Guard Weight Kit 599521 - EXO Accessories (1 Supplier)
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YSI EXO 2 probe and sonde protective sleeves 599663 - EXO Accessories (1 Supplier)
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YSI EXO2 Sonde 100 metre depth 599502-02 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO2 Sonde 10m Depth 6 Sensor Ports 599502-01 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO2 Sonde 250 metre depth 599502-03 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO2 Sonde No Depth 6 Sensor Ports 599502-00 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO Ammonium Sensor 599710 - Exo Sensors (1 Supplier)
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YSI EXO Ammonium Sensor Replacement Module 599744-01 - Exo Sensors (1 Supplier)
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YSI EXO Chloride Sensor 599711 - Exo Sensors (1 Supplier)
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YSI EXO Chloride Sensor Replacement Module 599745-01 - Exo Sensors (1 Supplier)
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YSI EXO Coastal Anode Kit 599595 - EXO Accessories (1 Supplier)
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YSI EXO fDOM Sensor Ti 599104-01 - EXO Sensors (1 Supplier)
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YSI EXO Hard Sided Carrying Case 599593-01 - EXO (1 Supplier)
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YSI EXO Nitrate Sensor 599709 - Exo Sensors (1 Supplier)
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YSI EXO Nitrate Sensor Replacement Module 599743-01 - EXO Sensors (1 Supplier)
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YSI EXO Optical DO Sensor Ti 599100-01 - Exo Sensors (1 Supplier)
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YSI EXO pH/ORP Sensor Assembly 617171 599706 - EXO Sensors (1 Supplier)
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YSI EXO pH/ORP Sensor Assembly 621169 599705 - Exo Sensors (1 Supplier)
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YSI EXO pH/ORP Sensor Replacement Module 599797-01 - Exo Sensors (1 Supplier)
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YSI EXO pH/ORP Sensor Replacement Module 599797-02 - Exo Sensors (1 Supplier)
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YSI EXO pH Sensor Assembly Guarded Ti 599701 - EXO Sensors (1 Supplier)
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YSI EXO pH Sensor Assembly Unguarded Ti 599702 - Exo Sensors (1 Supplier)
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YSI EXO pH Sensor Replacement Module 599795-02 - Exo Sensors (1 Supplier)
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YSI EXO pH Sensor Replacement Module Guarded 599795-01 - Exo Sensors (1 Supplier)
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YSI EXO Sensor Retaining Nut Kit Sensors 599668 - EXO Accessories (1 Supplier)
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