Laboratory Products 23 IR Hotplate/Stirrer Delivers Superior Heating and Mixing


The latest infrared heating technology has been used in the design of the WH280-NH hotplate-stirrer from Wiggens. Thanks to this radiation heating technology, the Wiggens WH280-NH can be used for rapid heating up of various shaped vessels, including round-bottom flasks, and the solution inside can be heated up to a maximum of 450°C in a very short time.


The new Wiggens hotplate stirrer enjoys the benefits of a Schott glass ceramic surface with exceptional chemical resistance, a high surface quality, and a resistance to temperature shocks of more than 700°C, providing users with an optimal solution compared to conventional heating surface materials. The poreless smooth surface enables even the most stubborn dirt to be easily cleaned. The high infrared permeability ensures that the heating energy is transferred quickly and with very limited loss, therefore, it heats liquids fast and saves time and energy. Intelligent Cascade Control enables self-optimising to reach perfect temperature stability. If the Pt-100 sensor is connected, temperature-controlled work with stability of +/- 2°C can be reached in most applications.


In addition to rapid heating capability and superior temperature control, the WH280-NH also offers well controlled gentle to intense mixing of liquids, and is also suitable for large volume viscous media.


The stirring and heating can be controlled separately by convenient turning knobs. All functions can be viewed and monitored on a bright touch screen, including most frequently used parameters, such as, working temperature, stirring speed, working time, and safety temperature. Memory function for stirring speed and temperature setting makes it convenient to start the experiments with fixed conditions. A residual-heat display protects the users from burning their hands.


With the aforementioned benefits, and many other features, the Wiggens hotplate stirrer is the optimal solution for heating and mixing of liquids in labs, for gentle to intense applications. More information online: ilmt.co/PL/gP3P and ilmt.co/PL/Q2Qe


59072pr@reply-direct.com The Unbeaten Standard for Reproducible Sample Homogenisation


Nothing matches the performance of the original. Retsch’s Ultra Centrifugal Mills have set standards in sample homogenisation foralmost 50 years and are used by quality control laboratories worldwide.


The latest model ZM 300 comprises the essence of German engineering expertise combined with high-quality materials, smart accessories, and latest software technology. The powerful mill provides maximum grinding performance with an uneaten speed of 23,000 rpm. Classic centrifugal mills are usually limited to 18,000 rpm. At the same time, the ZM 300 was designed with operator convenience and safety in mind.


Grinding results are convincing: The ZM 300 produces particles which are 15 - 20% finer in comparison to conventional rotor mills, depending on the material. The high speed also allows for an increase of sample throughput by 10 - 15%.


The variable speed range allows for optimum adaptation of the grinding process to the sample requirements by keeping the grinding time as short as possible and the temperature increase as moderate as possible. Too much heat may have a negative effect on the grinding results, for example, if moisture or volatile components escape.


The ZM 300 is equipped with an integrated temperature sensor which measures the temperature of the cassette lid near the ring sieve. The measured temperature is constantly shown in the mill’s display, allowing the user to optimise the grinding process and improve reproducibility.


More information online: ilmt.co/PL/p1vw and ilmt.co/PL/z1xz 59552pr@reply-direct.com ADVERTORIAL


Water Quality Pocket Testers as Accurate as Lab Myron L®


offers a variety of ULTRAPEN™ pocket testers, each featuring simultaneous measurement of Temperature and one critical


parameter: PT1 and PTBT1 measure Conductivity, TDS, and Salinity; PT2 and PTBT2 measure pH; PT3 and PTBT3 measure ORP; PT4 and PTBT4 measure Free Chlorine Equivalent (FCE


PT1 and PTBT1 instruments are engineered with a proprietary conductivity cell that delivers accuracy of ±1% of reading and ±0.2% of reading at calibration point.


PT2 and PTBT2 instruments employ a proprietary sensor with a large KCl reservoir for extended life. The user can choose to perform a 1-, 2-, or 3-point calibration. Accuracy is ±.01 pH.


PT3 and PTBT3 proprietary sensors are constructed of a 99.9% pure platinium electrode. There are 3 calibration options with automatic solution recognition. Measurement accuracy is ±10mV.


PT4 and PTBT4 determine the chemical activity of a solution without the hassle and subjectivity of colorimetric and test-strip methods. These instruments feature a proprietary sensor and accuracy of up to ±0.3 ppm FCE


™.


PT5 and PTBT5 instruments are accurate to ± 2% of reading with 3 calibration methods: Water Saturated Air; Air Saturated Water; and 0 ppm DO. Readings are adjustable for altitude and salinity and display in concentration, % saturation, or both.


PT6 and PTBT6 measurement method is compatible with EPA Approved Standard Method 4500-NO3— D. The user can select either a 1- or 2-point calibration option and choose from one of 4 standard solutions depending on the application. Readings display as Nitrate, Nitrogen, or mV.


pH, ORP, FCE replaceable.


, DO, and Nitrate sensors are all user


Original PT Series instruments feature one- button programmability, measurements, and calibration while the new PTBT Series pairs with most Android™ or iPhone®


Bluetooth® enabled


devices allowing the user to control settings, measurements, calibrations, and data reporting tools from the PTBTX2™ mobile application. Later, the user can email data in .csv, .xls, .xlsx, or Myron L Company’s proprietary encrypted format, .mlcx, compatible with Guardian2 software.


All ULTRAPENS are compact, lightweight, dust-tight, and waterproof with fully encapsulated electronics and bodies of rugged aircraft aluminium.


More information online: ilmt.co/PL/ABaB 59415pr@reply-direct.com


www.myronl.com 760-438-2021


); PT5 and PTBT5 measure Dissolved Oxygen (DO); PT6 and PTBT6 measure Nitrate.


Compatible with Android and iOS Devices.


Ultrapen PTBT Series 900 Series


Conductivity, Resistivity, TDS, Salinity, pH, ORP, Flow/Pulse, Temperature, % Rejection, Touchscreen LCD plus Additional Flexible Inputs/Outputs


TM


WWW.LABMATE-ONLINE.COM


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