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pH meters

 

pH meters

What's pH ?

 

The pH, for definition, is the negative logarithm of  H+ ion concentration in a solution; mathematically speaking : pH =- log[H+]The values ran from 0 to 7 for acidity and from 7 to 14 for basicity. 

 

The pH measurement is important in every field of application like food industry, pharmaceutical, cosmetics, galvanic, etc. 

 

pHmeters are digital instruments used to measure the pH value in a product or an aqueous solution. 

 

The pH measurement chain consists of:

 

   -  an indicator with digital display

 

   -  pH sensor ( pH electrode )

 

   -  connection cable for pH electrode 

 

Since the pH measurement is influenced by temperature variation, to correct this type of alteration, mostly of pHmeters are completed with temperature probe to compensate the electrode's answer.  

 

pHmeters can be portables or bench-top instruments.

 

The mainly differences are in power supply and dimensions.

 

Portables are smaller and with battery power supply.

 

Bench-top ones have bigger display, useful to work in laboratory and often with arm stand

 

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pH 80+ DHS STIRRER Without Electrode 50001412

pH 80+ DHS kit STIRRER without pH electrode. Cable S7/BNC, temperature probe NT55, colored pH buffer solution pH 7 and pH 4, electrodes arm, soft keypad, power supply and accessories. With stirrer.

pH 80+ DHS BASIC with electrode 50001422

pH 80+ DHS kit BASIC with pH electrode XS STANDARD, temperature probe NT55, S7/BNC 1 m cable, colored pH buffer solution pH 7 and pH 4, electrodes stand, soft keypad, power supply and accessories. Without stirrer.

pH 8+ DHS BASIC with STANDARD T-BNC DHS Electrode 50001192

pH 8+ DHS kit BASIC with pH electrode XS STANDARD T BNC DHS. Cable S7/BNC, temperature probe NT55, colored pH buffer solution pH 7 and pH 4, electrode holder and accessories. Without stirrer

PC 62 DHS With Cell 2301 T, WITHOUT Electrode 201T 50003972

PC 62 DHS without pH electrode, included S7/BNC cable, temperature probe NT 55, conductivity cell 2301T with ATC cable lenght 1 mt, electrode holder, colored pH buffer solution pH7 and pH4, standard calibration solution 1413 µS and 12,88 mS and accessories.