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 6370 Sensor Guard Kit (guard/black bot) 606370 - 6 Sensors (1 Supplier)
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YSI 6371 Sens Guard Kit (guard/black bot) 606371 - 6 Sensors (1 Supplier)
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YSI 6561FG pH Probe 605091 - 6 Series Sensors (1 Supplier)
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YSI 6600V2-4 w. Shallow Vented Level Sensor 6600V2-04 - 6600 V2 Environmental Monitoring (1 Supplier)
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YSI 6624 Chlorophyll Probe Wiper Pk-2 pr pk 606624 - 6 Sensors (1 Supplier)
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YSI 6627 Turbidity Probe Wiper Pk-2 pr pk 606627 - 6 Sensors (1 Supplier)
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YSI 6628 Soft Brush for 6136 606628 - 6 Sensors (1 Supplier)
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YSI DO200ACC-01 606071 - WQS (1 Supplier)
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YSI DO200ACC-04 606072 - WQS (1 Supplier)
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YSI DO200ACC-10 606040 - WQS (1 Supplier)
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YSI DO Sensor Cap Replacement Kit 599110 - Exo Accessories (1 Supplier)
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YSI Dual Li-Cior 2 PAR w/wiping system 200700 - 6 Sensors (1 Supplier)
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YSI Dual Li-Cor 2 PAR Asymmetrical 200680 - 6 Sensors (1 Supplier)
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YSI EC300A 606079 - WQS (1 Supplier)
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YSI EC300ACC-01 606068 - WQS (1 Supplier)
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YSI EC300ACC-04 606069 - WQS (1 Supplier)
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YSI EC300ACC-10 606047 - WQS (1 Supplier)
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YSI EXO 1 Anti-Fouling Guard 599563 - EXO Accessories (1 Supplier)
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YSI EXO 1 Coastal Anode Guard Weight Kit 599520 - EXO Accessories (1 Supplier)
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YSI EXO1 Sonde 100 m Depth 4 Sensor Ports 599501-02 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO1 Sonde 10 m Depth 4 Sensor Ports 599501-01 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO1 Sonde 10m depth 4 sensor ports 599501-04 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO 1 Sonde 250 m depth 4 sensor ports 599501-03 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO1 Sonde No Depth 4 Sensor Ports 599501-00 - YSI Multiparameter Sondes (1 Supplier)
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YSI EXO 2 Anti-Fouling Guard 599564 - Exo Accessories (1 Supplier)
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