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Measurement and control In this sector, MPT represents the interests and products of WALCHEM Corporation in Holliston, Massachusetts (USA). WALCHEM is a leading manufacturer of sensor technology and controllers for the surface technology and for the water treatment technology, including pH-, redox and conductivity controllers as well as special controllers for the cooling-water and boiler water conditioning. Besides the measuring transducer, these controllers include also a control program, adapted to the respective application. Monitoring, alarming – control and telecontrol systems By default, WALCHEM’s WebMaster has available sensors and data amplifiers for various physical parameters. Using the integrated program the parameters can be linked to each other and to control parameters. Via telephone modem and Ethernet board the user is provided with information such as alarm messages and off-limit conditions worldwide.  Measuring and control technology for dosing liquid media in

Controller for electroless nickel baths / Controller for electroless copper baths Controller for electroless nickel baths Nickel controller with flow-through sensor Walchem's WNI Nickel Controllers are optoelectronic on-line analyzers that measure the actual concentration of nickel in solution.  The WNI410 is available as nickel-only, or with a pH control option which may be added in the field. Two separate pump outputs for nickel and reducer and another for pH are used, each of which is capable of totalizing either pump on-time, volume pumped, or metal turnovers. Integrated data logging is available to validate system performance. With a USB memory stick data and event logs that include nickel measurements, and relay status can be extracted. Download logs from the USB stick to a PC. Product features: Concentration Read in Units Selectable between grams per liter (g/L) or ounces per gallon (oz/gal). Backlit digital display also acts as a bar graph for a continuous "visual summar

The WEC/WDEC410 Series Single and Dual Input Electrodeless Conductivity Controllers measure conductivity of a solution via an encapsulated, non-contacting sensor to control replenishment pumps and alarms. They may be installed in a variety of very harsh chemical control applications, including oily cleaner baths, chromates, rinse tanks, fume scrubbers and other concentrated chemicals up to a conductivity of 1000 mS/cm. Four conductivity ranges may be selected to configure the controller over a wide range of applications. Choice of measurement units is µS/cm, mS/cm, ppm and % concentration. The non-contacting, toroidal sensor technology is immune to thin coatings and the contamination and calibration problems that direct contacting sensors are prone to. Integrated datalogging is available to validate performance. With a USB memory stick data and event logs that include conductivity measurements, temperature and relay status can be extracted. Then download log files from the USB stick

WBL 400 All standard features are included, plus optional information management tools that enable water treatment professionals to deliver more effective service to their customers. The WBL/WDB/WCM/WDC400 Controllers have the ability to store conductivity and temperature values, water usage, relay status, and user settings. With a USB memory stick the information can be extracted. Download logs from the USB stick to a PC, or copy your preferred treatment program settings to another controller to speed start-up.  WDB400 Product features: Efficiency Precise control of conductivity and chemical feed inhibits corrosion, solids precipitation and scale build-up. The time proportional blowdown feature saves energy by reducing water consumption. Monthly Reports Download stored data from the controller to a USB flash stick. Use the data to develop reports that show actual water usage, system conductivity, temperature and more. Customer Service Identify system upsets by knowing exactly w

Walchem's WDIS Series controller will reliably and economically control your water treatment disinfection process. The controller includes four standard sensor input options (free chlorine/bromine, chlorine dioxide, ozone and peracetic acid) or can be configured to use a variety of other types of disinfection sensors such as hydrogen peroxide or total chlorine. The WDIS Series controller takes the guesswork out of your disinfection process. The chemical concentration is continuously monitored and controlled to the precise range required for proper system control and regulatory compliance. Designed to be flexible and versatile, the WDIS series controller is the ideal solution for disinfection applications in cooling towers, food and beverage, drinking water, wastewater and swimming pools. Integrated datalogging is available to validate system performance. With a USB memory stick data and event logs that include disinfection sensor measurements and relay status can be extracted. Then

Most people are known plastic films to protect food in the household. The POLIFIBRA films GmbH manufactures and assembles polyester and laminated films, which are used because of specific character in different industrial manufacturing sectors. POLIFIBRA provides polyester films with different strongly adhering surfaces. In our product POLI BOND the surface of the PETP film on or treated on both sides in varying degrees. This can be a very significant improvement in the adhesion of coatings to be achieved. POLI BOND can in the film thicknesses 19µ - 350µ are delivered.Different printings require different surfaces. In addition to highly transparent or colored opaque base films we offer here at various coatings that allow easy and quick editing. Seal foils are coated films, the above-defined temperature ranges enable an activation of the coating so as to allow bonding of different products. POLIFIBRA films offers solutions for different temperature ranges and applications.