pH / Ion Meters

Read user reviews, compare products and contact manufacturers of pH/Ion Meters products, including potentiometers, potentiostats, meters and electrodes on SelectScience.

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pH (126)

Potentiometers (3)


Potentiostats (14)

Specific Ion Meters (3)



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856 Conductivity Module  
Metrohm AG

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The 856 Conductivity Module is the new conductivity meter from Metrohm. It measures with state-of-the-art conductivity measuring cells – five-ring measuring cells. They achieve high...
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500 Series Benchtop Meters  

4 out of 5


Beckman Coulter

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Beckman Coulter Φ 500 Series Benchtop Meters excel in every laboratory application. Features • USB connectivity in all models, and additional Bluetooth connectivity on multiparameter...
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  • Ease of use 4 out of 5
  • After sales service 3 out of 5
  • Value for money 3 out of 5

2 review(s) of this product / read all

pHI 295 Waterproof Handheld Meters  
Beckman Coulter

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Fast and easy one- to five-point calibration with Auto-Find™ automatic buffer recognition for five buffers (pH 1.68, 4.00, 7.00, 10.01 and 12.45) and Auto-Read™ for locking onto stable...
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CHEMOTRODE 120  
Hamilton Company

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The CHEMOTRODE is a universal electrode for general applications in process control. It has a reference system with a liquid electrolyte and a silver trap (EVEREF-F) for increased electrode...
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CHEMOTRODE 150  
Hamilton Company

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The CHEMOTRODE is a universal electrode for general applications in process control. It has a reference system with a liquid electrolyte and a silver trap (EVEREF-F) for increased electrode...
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CHEMOTRODE BRIDGE 120  
Hamilton Company

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The CHEMOTRODE BRIDGE electrode is the solution for critical applications. The SINGLE PORE™ concept is used in this electrode for fast and stable readings. This is achieved by incorporating...
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CHEMOTRODE BRIDGE 150  
Hamilton Company

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The CHEMOTRODE BRIDGE electrode is the solution for critical applications. The SINGLE PORE™ concept is used in this electrode for fast and stable readings. This is achieved by incorporating...
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CHEMOTRODE BRIDGE 200  
Hamilton Company

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The CHEMOTRODE BRIDGE electrode is the solution for critical applications. The SINGLE PORE™ concept is used in this electrode for fast and stable readings. This is achieved by incorporating...
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CHEMOTRODE BRIDGE 250  
Hamilton Company

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The CHEMOTRODE BRIDGE electrode is the solution for critical applications. The SINGLE PORE™ concept is used in this electrode for fast and stable readings. This is achieved by incorporating...
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CHEMOTRODE CHECK 120  
Hamilton Company

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The CHEMOTRODE CHECK is used when both the pH and redox potential need to be monitored simultaneously. The additional contact can also be used for a continuous check of the electrode...
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CHEMOTRODE CHECK 150  
Hamilton Company

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The CHEMOTRODE CHECK is used when both the pH and redox potential need to be monitored simultaneously. The additional contact can also be used for a continuous check of the electrode...
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CHEMOTRODE CHECK 200  
Hamilton Company

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The CHEMOTRODE CHECK is used when both the pH and redox potential need to be monitored simultaneously. The additional contact can also be used for a continuous check of the electrode...
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CHEMOTRODE ORP 120  
Hamilton Company

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The CHEMOTRODE ORP is a redox electrode with the same reference half cell design as the CHEMOTRODE. The extra large surface area of the platinum electrode gives reliable and stable readings...
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CHEMOTRODE ORP 150  
Hamilton Company

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The CHEMOTRODE ORP is a redox electrode with the same reference half cell design as the CHEMOTRODE. The extra large surface area of the platinum electrode gives reliable and stable readings...
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CHEMOTRODE ORP 200  
Hamilton Company

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The CHEMOTRODE ORP is a redox electrode with the same reference half cell design as the CHEMOTRODE. The extra large surface area of the platinum electrode gives reliable and stable readings...
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CHEMOTRODE ORP 250  
Hamilton Company

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The CHEMOTRODE ORP is a redox electrode with the same reference half cell design as the CHEMOTRODE. The extra large surface area of the platinum electrode gives reliable and stable readings...
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CHEMOTRODE P 120  
Hamilton Company

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The CHEMOTRODE P is filled with Protelyte electrolyte, a special electrolyte for samples containing proteins or partly organic samples. The use of such an electrolyte assures stable and...
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CHEMOTRODE P 150  
Hamilton Company

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The CHEMOTRODE P is filled with Protelyte electrolyte, a special electrolyte for samples containing proteins or partly organic samples. The use of such an electrolyte assures stable and...
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CHEMOTRODE P 200  
Hamilton Company

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The CHEMOTRODE P is filled with Protelyte electrolyte, a special electrolyte for samples containing proteins or partly organic samples. The use of such an electrolyte assures stable and...
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CHEMOTRODE P 250  
Hamilton Company

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The CHEMOTRODE P is filled with Protelyte electrolyte, a special electrolyte for samples containing proteins or partly organic samples. The use of such an electrolyte assures stable and...
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CHEMOTRODE TEMP 120  
Hamilton Company

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The CHEMOTRODE TEMP has an integrated temperature sensor that enables the user to realize an optimal temperature compensation of the pH electrode signal. The MultiConnect™ plug system...
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CHEMOTRODE TEMP 150  
Hamilton Company

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The CHEMOTRODE TEMP has an integrated temperature sensor that enables the user to realize an optimal temperature compensation of the pH electrode signal. The MultiConnect™ plug system...
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CHEMOTRODE TEMP 200  
Hamilton Company

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The CHEMOTRODE TEMP has an integrated temperature sensor that enables the user to realize an optimal temperature compensation of the pH electrode signal. The MultiConnect™ plug system...
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CHEMOTRODE TEMP 250  
Hamilton Company

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The CHEMOTRODE TEMP has an integrated temperature sensor that enables the user to realize an optimal temperature compensation of the pH electrode signal. The MultiConnect™ plug system...
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DOUBLE PORE  
Hamilton Company

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The DOUBLE PORE is used for immersion pH measurements and for small sample volumes. This electrode also gives excellent results in ion-weak media due to the polymeric electrolyte and the...
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EASYFERM 120  
Hamilton Company

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EASYFERM™ pH Electrodes Maintenance-free construction offers long lifetime, stable calibration values, and a virtually drift-free signal, even after sterilization. The outer dimensions are...
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EASYFERM 225  
Hamilton Company

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EASYFERM™ pH Electrodes Maintenance-free construction offers long lifetime, stable calibration values, and a virtually drift-free signal, even after sterilization. The outer dimensions are...
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EASYFERM 325  
Hamilton Company

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EASYFERM™ pH Electrodes Maintenance-free construction offers long lifetime, stable calibration values, and a virtually drift-free signal, even after sterilization. The outer dimensions are...
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EASYFERM 400  
Hamilton Company

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EASYFERM™ pH Electrodes Maintenance-free construction offers long lifetime, stable calibration values, and a virtually drift-free signal, even after sterilization. The outer dimensions are...
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EASYFERM 425  
Hamilton Company

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EASYFERM™ pH Electrodes Maintenance-free construction offers long lifetime, stable calibration values, and a virtually drift-free signal, even after sterilization. The outer dimensions are...
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EasyFerm Bio pH Sensors  
Hamilton Company

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The EasyFerm Bio sensors are designed for applications in pharmaceutical, biotechnology and food & beverage industries where certification of no biological risk of cytotoxicity is...
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FERMOTRODE 120  
Hamilton Company

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Maintenance-free construction offers long lifetime, stable calibration values and a virtually drift-free signal, even after sterilization. FERMOTRODE electrodes fit into MASTERFIT™ and...
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FERMOTRODE 150  
Hamilton Company

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Maintenance-free construction offers long lifetime, stable calibration values and a virtually drift-free signal, even after sterilization. FERMOTRODE electrodes fit into MASTERFIT™ and...
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FERMOTRODE 200  
Hamilton Company

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Maintenance-free construction offers long lifetime, stable calibration values and a virtually drift-free signal, even after sterilization. FERMOTRODE electrodes fit into MASTERFIT™ and...
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FERMOTRODE 250  
Hamilton Company

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Maintenance-free construction offers long lifetime, stable calibration values and a virtually drift-free signal, even after sterilization. FERMOTRODE electrodes fit into MASTERFIT™ and...
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Flexifit Armature  
Hamilton Company

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Flexifit Armature For use with 120 mm a-length electrodes, PG 13.5 thread Easily mounted onto weld-in sockets Simple O-ring replacement The FLEXIFIT Armature is ideal for...
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IONOTRODE  
Hamilton Company

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Many environmental applications are difficult due to a lack of ions in the sample. The IONOTRODE pH electrode solves this problem with the new TK inner buffer design. A low membrane...
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LIQ-PLAST  
Hamilton Company

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General purpose electrodes with EVEREF™ reference system for outstanding performance even at fluctuating temperatures. LIQ-PLAST electrodes have a durable plastic shaft with high chemical...
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MASTERFIT ARMATURE   
Hamilton Company

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MASTERFIT ARMATURE For use with electrolyte reservoir and POLYFERM™ sensors No flat seals - guarantees armature is completely pressure tight Non-protruding, integrated manometer...
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MECOREF  
Hamilton Company

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The MECOREF Reference Electrode offers the same advantages as the MECOTRODE pH Electrode: high chemical resistivity, triple diaphragm, EVEREF reference system, and gel electrolyte. These...
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MECOREF T  
Hamilton Company

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The MECOREF Reference Electrode offers the same advantages as the MECOTRODE pH Electrode: high chemical resistivity, triple diaphragm, EVEREF reference system, and gel electrolyte. These...
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MECOTRODE  
Hamilton Company

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The MECOTRODE pH electrode is a high performance electrode for harsh environments. This maintenance-free electrode with gel electrolyte is of overall glass construction and shows a very...
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MECOTRODE pH  
Hamilton Company

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When a greater pH range or high performance redox measurements are required, these electrodes provide a solution. Both types of electrodes are designed to perform under high temperature and...
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MECOTRODE T pH  
Hamilton Company

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The MECOTRODE T pH electrode utilizes a sidearm design with an electrolyte tube connector for liquid electrolyte. This design minimizes maintenance, while also providing the benefits of a...
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OXYFERM 120  
Hamilton Company

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The Hamilton OXYFERM dissolved oxygen sensor offers an economical choice for reliable performance, low maintenance, and long lifetime in biotechnology applications. Measuring Principle The...
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OXYFERM 225  
Hamilton Company

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The Hamilton OXYFERM dissolved oxygen sensor offers an economical choice for reliable performance, low maintenance, and long lifetime in biotechnology applications. Measuring Principle The...
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OXYFERM 325  
Hamilton Company

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The Hamilton OXYFERM dissolved oxygen sensor offers an economical choice for reliable performance, low maintenance, and long lifetime in biotechnology applications. Measuring Principle The...
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OXYFERM 425  
Hamilton Company

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The Hamilton OXYFERM dissolved oxygen sensor offers an economical choice for reliable performance, low maintenance, and long lifetime in biotechnology applications. Measuring Principle The...
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OXYTRODE ORP Gold   
Hamilton Company

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When a greater pH range or high performance redox measurements are required, these electrodes provide a solution. Both types of electrodes are designed to perform under high temperature and...
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OXYTRODE Platinum-ORP  
Hamilton Company

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When a greater pH range or high performance redox measurements are required, these electrodes provide a solution. Both types of electrodes are designed to perform under high temperature and...
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POLILYTE HP  
Hamilton Company

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The POLILYTE HP pH electrode incorporates the SINGLE PORE™ design and a solid state electrolyte for difficult media, such as chemical baths. There is no diaphragm, so the usual problems...
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POLILYTE HP 225  
Hamilton Company

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The POLILYTE HP pH electrode incorporates the SINGLE PORE™ design and a solid state electrolyte for difficult media, such as chemical baths. There is no diaphragm, so the usual problems...
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POLILYTE ORP  
Hamilton Company

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The POLILYTE HP pH electrode incorporates the SINGLE PORE™ design and a solid state electrolyte for difficult media, such as chemical baths. There is no diaphragm, so the usual problems...
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POLILYTE™ HP 120  
Hamilton Company

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The POLILYTE HP pH electrode incorporates the SINGLE PORE™ design and a solid state electrolyte for difficult media, such as very dirty, fatty, oily, partially rganic or ion weak media.
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POLILYTE™ HP 225  
Hamilton Company

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The POLILYTE HP pH electrode incorporates the SINGLE PORE™ design and a solid state electrolyte for difficult media, such as very dirty, fatty, oily, partially rganic or ion weak media.
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POLYFERM 120  
Hamilton Company

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POLYFERM Electrodes are ideal for the control of treatment after fermentation (downstream processing). Because of the SINGLE PORE™ design and the solid state polymeric electrolyte used in...
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POLYFERM 150  
Hamilton Company

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POLYFERM Electrodes are ideal for the control of treatment after fermentation (downstream processing). Because of the SINGLE PORE™ design and the solid state polymeric electrolyte used in...
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POLYFERM 200  
Hamilton Company

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POLYFERM Electrodes are ideal for the control of treatment after fermentation (downstream processing). Because of the SINGLE PORE™ design and the solid state polymeric electrolyte used in...
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POLYFERM 250  
Hamilton Company

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POLYFERM Electrodes are ideal for the control of treatment after fermentation (downstream processing). Because of the SINGLE PORE™ design and the solid state polymeric electrolyte used in...
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PROFITRODE ORP Gold  
Hamilton Company

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Whether neutralizing galvanic wash waters or monitoring pH control of flocculation processes, PROFITRODE electrodes are the ideal choice for electroplating wastewater treatment. The...
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PROFITRODE ORP Platinum  
Hamilton Company

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Whether neutralizing galvanic wash waters or monitoring pH control of flocculation processes, PROFITRODE electrodes are the ideal choice for electroplating wastewater treatment. The...
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PROFITRODE pH  
Hamilton Company

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Whether neutralizing galvanic wash waters or monitoring pH control of flocculation processes, PROFITRODE electrodes are the ideal choice for electroplating wastewater treatment. The...
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RETRACTOFIT ARMATURE  
Hamilton Company

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RETRACTOFIT ARMATURE For use with 225 mm a-length electrodes, PG 13.5 thread Retractable probe design for easy access to electrode Safety feature prevents moving probe into process...
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SINGLE pH  
Hamilton Company

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SINGLE electrodes are used in cases where a significant difference in lifetime between pH half cell and reference electrode is expected, or when several indicating electrodes are needed to...
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SINGLE Platinum-ORP  
Hamilton Company

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SINGLE electrodes are used in cases where a significant difference in lifetime between pH half cell and reference electrode is expected, or when several indicating electrodes are needed to...
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ADI 2018 Ion Analyzer  
Metrohm AG

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Single Method On-line Analyzer The ADI 2018 Ion Analyzer is based on a Dynamic Standard Addition (DSA) method, using high precission burettes and high performance Ion Selective...
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Autolab PGSTAT302N  

4 out of 5


Metrohm AG

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This modular high current potentiostat/ galvanostat, with a compliance voltage of 30 V and a bandwidth of over 1 MHz, combined with our FRA2 module, is specially designed for...
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  • Ease of use 5 out of 5
  • After sales service 3 out of 5
  • Value for money 3 out of 5

2 review(s) of this product / read all

Metrohm pH meters for the laboratory and the field - W...  

4 out of 5


Metrohm AG

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GLP at any time and anywhere What do you expect from a pH meter “Made in Switzerland”?Should it be: Precise like a Swiss watch? Multifunctional like a Swiss army knife? Rock-solid...
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  • Ease of use 4 out of 5
  • After sales service 4 out of 5
  • Value for money 3 out of 5

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263A-1/-2  

4 out of 5


Ametek, Inc.

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The 263A potentiostat/galvanostat is the ideal system for many laboratories. It is perfect for the budget-conscious researcher who needs high performance. The 263A can be upgraded with many...
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  • Ease of use 4 out of 5
  • After sales service 5 out of 5
  • Value for money 4 out of 5

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273A Potentiostat/galvanostat  

4 out of 5


Ametek, Inc.

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The 273A is the most widely sold potentiostat in the long history of potentiostats. In fact, it has been recognized as the benchmark against which all other potentiostats have been...
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  • Ease of use 4 out of 5
  • After sales service 4 out of 5
  • Value for money 5 out of 5

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Solartron 1260A Impedance Analyzer  
Ametek, Inc.

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The model 1260A Impedance/Gain-Phase Analyzer is - without doubt - the most powerful, accurate and flexible Frequency Response Analyzer available today. In daily use by leading researchers...
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3510 Laboratory pH meter  

4 out of 5


Bibby Scientific

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Model 3510 is a versatile, simple to use pH, mV and temperature meter that is ideal for routine analysis. With up to three decimal place resolution and a choice of up to three...
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  • Ease of use 4 out of 5
  • After sales service 4 out of 5
  • Value for money 5 out of 5

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3540 Combined Laboratory Conductivity/pH meter  

3 out of 5


Bibby Scientific

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The 3540 is ideal for use in all laboratories where pH and conductivity analyses are required. The setup menu gives quick and easy access to the whole range of instrument, pH and...
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  • Ease of use 3 out of 5
  • After sales service 3 out of 5
  • Value for money 3 out of 5

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EC epsilon  
Bioanalytical Systems, Inc.

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EC epsilon from Bioanalytical Systems The epsilon from BASi is a revolutionary new family of potentiostat/galvanostats that has been designed to allow the user great flexibility in...
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CHI600D series  
CH Instruments, Inc.

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The Model 600D series is designed for general purpose electrochemical measurements. The figure below shows the block diagram of the instrument. The system contains a fast digital function...
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