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TRANG CHỦ Sản phẩm Hamilton Thiết bị trong sản xuất Intelligent Sensors

Hamilton Intelligent Sensors families Arc and VisiPro revolutionizes the integration of sensors by rethinking communication between sensors, end users and process control systems (PCS). The functionality of a traditional transmitter has been replaced by a microprocessor integrated within the sensors head. Arc sensors communicate directly with the PCS through standard 4-20 mA or digital signals (Modbus). With the micro-transmitter integrated, Arc sensors offer a fully compensated, converted digital and 4-20 mA signal directly to the process control system.

Arc sensors and VisiPro DO provide full online wireless option for monitoring, configuration and calibration.

 

 

 



 

pH SENSORS

 

pH measurements are important in many processes. There is almost none where the pH value does not play a dominant role. All biological processes depend on the activity of enzymes because they show a pH optimum and lose their functionality if the pH is too low or too high. The pH value is measured in most processes using a glass electrode. This pH glass forms a thin gel layer in aqueous solutions that is highly selective to H+ ions. The pH dependent potential of the gel layer is measured against a built-in reference electrode with a constant potential. In general, the pH value is a measure of the acidity or the basicity of an aqueous solution.

Hamilton offers pH sensors for nearly every process in Pharmaceutical, Chemistry and Water applications.

 

 

 


 

Polilyte Plus

The Polilyte sensors are universal maintenance free sensors designed to withstand demanding applications in chemical, petrochemical industries, as well as process water, wastewater treatment applications. liquid junction problems and total break downs are eliminated with the two Single Pores. The Polilyte sensors show good measurement accuracy in highly alkaline solutions as well as in samples with low conductivity. Additionally, the Everef-L reference cartridge ensures a long lifetime. A stabilized sensor signal and an extended sensor diagnosis thanks to the integrated Liquid Earth in the VP are further features of the Polilyte Plus.

The Arc System

The Polilyte Plus is also available with our innovative Arc system. The Arc system eliminates the transmitter and communicates directly with your Process Control System.

 

 

 


 

EasyFerm Bio

The EasyFerm Bio family of pH sensors is designed for applications in the Pharmaceutical, Biotechnology and Food & Beverage industries. All family members have the same reference electrolyte Foodlyte, with its certified bio-compatibility. Additionally the EasyFerm Bio sensors are certified to EHEDG criteria. The standard EasyFerm Bio, with its HB glass, is directed at the Food & Beverage industry where CIP and SIP cycles occur frequently because the glass shows a very fast recovery leading to a shortened set-up time. The new versions with the PHI glass show an excellent chemical robustness at high pH values.

The LEVP (LE = Liquid Earth) versions have a stabilized sensor signal and an extended sensor diagnosis.

The electrolyte of the EasyFerm Bio sensors is pre-pressurized to prevent the diffusion of sample into the sensor. The Everef-F reference cartridge ensures that the reference electrolyte remains free of silver and precipitation of proteins.

 

 

 

 


 

EasyFerm Plus

The EasyFerm Plus family of pH sensors is designed to withstand demanding applications in the Pharmaceutical and Chemical industries. All family members have the same reference electrolyte Phermlyte, the same type of diaphragm HP Coatramic but different pH glasses. The standard EasyFerm Plus, with its PHI glass, is directed at the BioPharm and Pharmaceutical industries because the glass has an excellent

chemical robustness and provides best results in applications where sterilization either in an autoclave or an SIP is performed frequently. The new versions with the HB glass show a very fast recovery after CIP and SIP cycles leading to a shortened set-up time.

The LEVP (LE = Liquid Earth) versions have a stabilized sensor signal and an extended sensor diagnosis.

The electrolyte of the EasyFerm Plus sensors is pre-pressurized to prevent the diffusion of sample into the sensor. The Everef-F reference cartridge ensures that the reference electrolyte remains free of silver and precipitation of proteins.

 

 

 

 



 

Dissolved Oxygen

 

The partial pressure of dissolved oxygen (DO) plays an important role in many biological, chemical and physical processes. Respiration in a lung or a leaf depends on the differences of the partial pressure as well as fermentation of substrates by yeast or bacteria. The amount of dissolved oxygen is also important for the safety and the quality of many other industrial processes.

The most common technologies to measure DO are the classical amperometric and the modern optical method. Classical amperometric Clark cells, where cathode and anode are separated from the sample by a gas permeable membrane, generate an electrical current proportional to the oxygen partial pressure of dissolved oxygen. The oxygen is reduced in the sensor, catalyzed by an electrolyte at a platinum cathode. At the anode silver is oxidized. In contrast to the Clark cells the optical measurement is based on the luminescence of a luminophore that absorbs photons and releases a part of the absorbed energy by emission of photons with a higher wavelength. Oxygen quenches this process by transferring the energy partially by collision. The more oxygen present the more quenching is observed. Hamilton measures the phase shift between excitation and emission across a population of light pulses in order to achieve the highest accuracy and widest operating range. The difference in the intensity of both waves is used for online sensor diagnostics.

 

 

 


 

VisiFerm DO

The VisiFerm DO is the first optical oxygen sensor with integrated opto-electronics, having the full functionality of a measuring device with self-diagnostics. It is steam sterilizable, autoclavable and CIP compatible. The VisiFerm requires less maintenance than a classical oxygen sensor as it does not have a mechanically sensitive membrane or a corrosive electrolyte.

The Arc System

The VisiFerm DO is also available with our innovative Arc system. The Arc system eliminates the transmitter and communicates directly with your Process Control System.

 

 

 

 

 


 

VisiTrace DO

The VisiTrace DO is designed to measure dissolved oxygen in the low ppb range in brewing applications, notably during filtration and filling. Adjacent markets are also boiler feed water in power plant . The VisiTrace DO offers all the advantages of Hamilton`s optical dissolved oxygen sensors: fast response time and easy maintenance. Improvements compared to conventional electrochemical (amperometric) sensors include flow independence, rapid start-up with no polarization time and implified maintenance. Monitoring in low ppb ranges is essential in many applications such as brewing processes and power plants.

 

 

 

 

 


 

VisiPro DO (Ex)

The VisiPro DO Ex is the only optical dissolved oxygen (DO) sensor for use in explosive environment.

VisiPro DO optical technology improves the measuring performance and simplifies maintenance. Improvements compared to conventional electrochemical (amperometric) sensors include flow independence, rapid start-up with no polarization time, and simplified maintenance. With their integrated transmitter, VisiPro DO sensors enable direct communication to the process control system via 2 wire 4-20 mA standard signal or digital HART. All relevant sensor data including calibration and diagnostic information are stored in the sensor head, simplifying calibration and maintenance. Additional wireless communication directly from the sensor to your computer simplify laboratory calibration, configuration, and maintenance.

 

 

 

 


 

VisiWater DO

The VisiWater DO sensors are intended for the measurement of dissolved oxygen (DO) in water application. It comes with integrated opto-electronics, having the full functionality of a measuring device with self-diagnostics. The VisiWater DO sensor requires less maintenance than a classical oxygen sensor as it does not have a mechanically sensitive membrane or a corrosive electrolyte.

 

 

 

 

 

 

 

 



Conductivity

The electrical conductivity is important for the characterization of liquids in different kinds of processes. In aqueous solutions the conductivity is caused by the decomposition of dissolved acids, bases or salts into positive cations and negative anions. In ultra-pure water, where no ions, except very few H3O+ and OH-, are present, the conductivity is extremely low. This intrinsic conductivity of water represents the lower border of the conductivity scale. 
The electrical conductivity is determined by a resistivity measurement when an alternating voltage is applied to a measurement cell that consists of two or four electrodes. To compensate for the geometry of the conductivity cell a cell constant is used. This constant is either known or determined by means of conductivity standards. 

Electrical conductivity is the reciprocal of electrical resistivity, and measures a material’s ability to conduct an electric current. Its SI unit is Siemens per meter (S/m). For the measurement of the conductivity of a solution it’s common to use μS/cm or mS/cm.

2-Pole Sensor Features:

  • Low cost solution
  • Accurate measurement of solutions with extremely low or high ionic strength

4-Pole Sensor Features:

  • Measurement linearity over a large range
  • No polarization effects
  • Less sensitive to coating from contaminated samples 

 


Conducell 4USF

The Conducell 4UxF sensors are suited for measurements in hygienic applications. All wetted parts are FDA approved, can be cleaned easily and withstand CIP cleanings and autoclavations. The sensors show a very good linearity over a broad measuring range.

They are available with different process connections such as BioConnet (BC) or Varivent.

The Conducell 4USF with stainless steel electrode is most common and suitable for many applications.

 

The Arc System

The Conducell 4UxF is available with our innovative Arc system. The Arc system eliminates the transmitter and communicates directly with your Process Control System.

 

 

 

 


Conducell UPW

The fully compliant ultra-pure water (UPW) quality measurement sensors from Hamilton.

For biotechnology, pharmaceutical and cosmetic industries, process safety and quality are highly related to the production of pure and ultra-pure water that meets the Pharmacopeia regulations.

 

 

 

 

 

 

 

 

 



 

ORP

 

ORP is a common measurement in biochemistry, environmental chemistry and water quality. In the biochemical perspective, an oxidizing chemical pulls electrons away from the cell membrane which means it can be destabilized and leaky. The rapid death of a cell is the consequence of a destroyed membrane. The ORPs of natural systems like aerated surface water, rivers, lakes, rainwater and acid mine water usually have oxidizing conditions leading to positive potentials. Submerged soils, swamps and marine sediments, where air supply has its limitations, reducing conditions are the norm leading to negative potentials. For water system monitoring, the ORP value provides the operator with a rapid and singlevalue assessment of the disinfection potential of water in the postharvest system. This enables the operator to assess the activity of the applied disinfectant rather than the applied dose. 

ORPs in aqueous solutions are determined by measuring the potential difference between an inert sensing electrode in contact with the solution and a stable reference electrode. The reference electrode is connected to the solution by a salt bridge. It has a known potential and is made of silver chloride or saturate calomel. Platinum is mostly used for the sensing electrode.

The Oxygen-Reduction Potential, also known as Redox Potential describes the tendency of a chemical species or a solution to acquire electrons and therefore to be reduced. Each species has its own reduction potential. It is measured in Volts (V) or mV.

 

 


 

Polilyte Plus ORP

The maintenance free Polilyte Plus ORP sensors are designed to withstand demanding applications in chemical and petrochemical industries. Monitoring the ORP value is becoming increasingly important in many applications, especially harsh chemical environments or high alkaline wastewater. Because of its Single Pore diaphragms you will never have liquid junction problems and total breakdowns. The Polilyte Plus ORP sensors demonstrate reliable reproducible measurement accuracy in highly alkaline solutions as well as in samples with low conductivity. Additionally, the Everef-L reference cartridge ensures a long lifetime. Measuring the ORP value is getting more and more important in the branches mentioned above.

The Arc System

The Polilyte Plus ORP is only available with our innovative Arc system. The Arc system eliminates the transmitter and communicates directly with your Process Control System.

 

 

 


 

EasyFerm Plus ORP

Easyferm Plus ORP ArcThe EasyFerm Plus ORP sensors are designed to withstand demanding applications in pharmaceutical and chemical industries. It is supplied with a prepressurized electrolyte which prevents the diffusion of sample into the sensors. The Everef-F reference cartidge ensures that the Phermlyte reference electrolyte remains free of silver and precipitation. Measuring the ORP value is getting more and more important in the branches mentioned above.

The Arc System

The EasyFerm Plus ORP is only available with our innovative Arc system. The Arc system eliminates the transmitter and communicates directly with your Process Control System.

 

 

 

 



 

Intelligent Sensor Accessories


Wireless Accessories

 

All Hamilton Intelligent Sensors communicate back to the control system via a hard wired connection to ensure data integrity. The optional Arc Wi Adapter enables wireless communication with the sensor in parallel with the hardwired connection. This Bluetooth connection facilitates wireless calibration, configuration, and sensor diagnostics from a PC or mobile device while transmitting a continuous process measurement.

Arc View Mobile

Arc Wi Adapters BT

Arc Wireless Converter BT

 

 

 

 


 

Software

 

Hamilton offers several software packages for our Intelligent Sensors to simplify calibration, configuration, diagnostics, and documentation.

Hamilton Device Manager - PC software for calibration, configuration, and diagnostics

GMP Compliance Package - PC software for storing calibration and validation documents obtain using the ArcAir Advanced Application

AirAir Application - Mobile application compatible with Android or Apple device for wireless calibration, configuration, validation, and troubleshooting

 

 

 

 


 

Arc Cables

Arc cables can be used with Arc labeled sensors which are all constructed using the Arc µ-Transmitter.   This includes pH/ORP, Dissolved Oxygen, and Conductivity sensors.

Arc Demo Power Cables - Used for demonstration to power the sensor and communicate via a hardwired connection
Arc VP8 Data Cables - Connects the sensor or the Arc Wi 1G Adapter to the control system. A power supply is not included with this cable
Arc M12-8 Data Cables - Connects the Arc Wi 2G BT Adapter to the control system. A power supply is not included with this cable
Arc pH/ORP ECS Cables - Enable connection of an Arc pH/ORP sensor to an ECS input on a transmitter or bioreactor

 

 

 

 

 


 

VisiFerm ECS, VisiPro, VisiTrace

The non-Arc version of the Visiferm has the ability to simulate a traditional electro chemical sensor (ECS) output. This small nA output signal requires more insulated double coaxial cables. For attachment to common bioreactors a variety of standard connectors cables are provided. They come with wall power supplies to power the internal µ-transmitter. The VisiPro and VisiTrace use a low cost M12-4 cable and can be powered by a 2 wire 4-20 mA loop.