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Control Module for Heated and Cooled Flow Chemistry Applications


The Uniqsis Polar Bear Plus Flow™ is a compact, state of the art temperature control module, that can be used as a standalone unit or integrated with a flow reactor, for both heated and cooled flow chemistry applications.


Utilising highly efficient, compressor-based cooling and heating technology the Polar Bear Plus Flow™ can precisely and reliably maintain reactor temperatures anywhere between -40?C and +150?C. The module is easy to use and is completely self-contained, requiring only an electricity supply for operation - no more need for solvents, refrigerants, or messy heat transfer fluids.


The Polar Bear Plus Flow™ can also be integrated with a FlowSyn™ flow chemistry system or used as a heating/cooling unit as part of a FlowLab or FlowLab Plus modular flow chemistry system.


To achieve high reproducibility and facilitate reaction scale-up, precise control of mixing and temperature is essential. This is particularly important for highly exothermic or fast, mixing-dependent reactions. The Polar Bear Plus Flow™ is fully compatible with Uniqsis glass static mixer (GSM) reactor chips that ensure an efficient, turbulent mixed reagent stream that is not diffusion dependent. Uniqsis provide an adapter which fits to the top of the Polar Bear Plus Flow allowing a range of smaller volume GSM’s to be used in the adapter.


More information online: ilmt.co/PL/dk0X 58432pr@reply-direct.com


New Heating Circulation Thermostat


With the new Chili, Peter Huber Kältemaschinenbau AG presents a compact, low volume, hydraulically sealed heating thermostat for use with closed temperature control circuits. Part of the Unistat product family, the Chili is the smallest heating thermostat in the Huber range and is appropriate for use with Marlotherm as a heat transfer fluid. The device has a working temperature range of 65 to 300°C and achieves a temperature stability of +/- 0.02 K. Measuring just 240 x 427 x 393 mm (W x D x H), only a small space for installation is required. It is small enough to be a direct replacement for existing ‘open-bath’ heaters. Due to its technical characteristics and competitive pricing, the Chili is ideally suited for e.g. distillation tasks in chemistry, pharmaceuticals and botanical extraction. The hydraulically sealed temperature control circuit prevents the formation of oil vapours and oxidation. This results in an increased lifespan of the heat transfer fluid adding further value. An external cooling coil (unregulated) is available as an optional accessory.


As with all Unistats, the new Chili impresses with excellent thermodynamic characteristics and a professional range of functions. The Chili guarantees high-precision, reproducible thermoregulation results with reduced heating times and wide temperature ranges. Efficient energy management minimises operating costs and economic operation.


The Pilot ONE multi-touch controller has a 5.7” touchscreen display with intuitive, icon based menu navigation. Important functions and settings are accessible in a fast and simple manner thanks to the user-creatable favourites menu. Integrated USB and Ethernet ports enable connection to a PC or network for remote control, monitoring and data recording.


Watch the video: ilmt.co/PL/PDKj More information online: ilmt.co/PL/303w


51494pr@reply-direct.com


Unique Dual Use Instrument Provides Centrifugal and Cutting Mill Comminution


The Variable Speed Rotor Mill PULVERISETTE 14 premium line from Fritsch is ideal for efficient pre- and fine comminution of soft, medium-hard, brittle, hard- brittle, fibrous, temperature-sensitive materials and provides an extremely fast sample throughput, as well as, if desired, heavy-metal- and iron-free.


The system combines two mills in one instrument and is the only Variable Speed Rotor Mill which is suitable for cutting. The Variable Speed Rotor Mill PULVERISETTE 14 premium line offers impact, shearing and cutting comminution, with higher performance, better cooling and significantly less noise than comparable instruments.


With the powerful 22,000 rpm of the impact rotor, as a centrifugal mill, it ensures a fast sample throughput of 15 l/h and more, which can be further increased by the use of the Fritsch Cyclone separators. It is ideal for soft to medium-hard, brittle, fibrous and temperature-sensitive samples. Samples which are difficult to grind, or extremely temperature-sensitive samples, can be embrittled with the addition of liquid nitrogen and subsequently comminuted.


By using a cutting rotor, the Variable Speed Rotor Mill becomes a Cutting Mill, ideal for efficient pre- and fine comminution of soft to hard-tough, fibrous materials and plastics. In contrast to conventional Cutting Mills, the entire grinding chamber and all grinding parts can be removed without tools, cleaned in the dishwasher and are autoclavable for sterile comminution.


The Intelligence-Safety-Control feature ensures simple operation and the mill will only start once everything is correct. More information online: ilmt.co/PL/XMDq


51796pr@reply-direct.com


High Performance Mass Flow Controllers


Sensirion is the first company in the world to successfully launch its mass flow controllers for catalogue distribution. For about a year already, mass flow controllers have been available to customers quickly and easily for evaluation and initial testing. The sensor manufacturer is now expanding its product range with two additional mass flow controllers from the successful SFC5500 series and four new mass flow meters in the SFM5500 series. The new mass flow controllers and meters are ideally suited for analytical, medical and industrial applications.


The high-performance mass flow controllers and meters are calibrated for multiple gases and come with push-in fittings, which can be easily swapped out by the user from the list of compatible parts. Thanks to the ultra-wide range, each device can cover several of the flow ranges found in conventional devices. The versatile SFC5500 mass flow controller is now available in ranges from 50 sccm to 200 slm. In addition, a new mass flow meter series - the SFM5500 - is being launched; it is a valveless sibling of the SFC5500, featuring the same excellent performance. These pressure-resistant mass flow meters are now available in the following four flow ranges: 50 sccm, 0.5 slm, 2 slm and 10 slm.


The sensor is based on the microthermal measurement principle and makes use of Sensirion’s proven CMOSens® MEMS Technology. This results in radical


mass flow controllers and meters with best-in-class performance and excellent reliability, which do not drift and do not require in-service re-calibration. Thanks to the exceptionally high control range enabled by the CMOSens®


MEMS flow sensor, the SFC5500/SFM5500 series can cover several of the flow ranges


of a traditional mass flow controller/meter in a single device. Coupled with multi-gas calibration and exchangeable fittings, the SFC5500/SFM5500 mass flow controllers/meters are the first on the market to be available as standard, off-the-shelf products suitable for applications in medical, analytical and industrial sectors.


The SFC5500/SFM5500 series is suited to a broad range of applications where the highest accuracy and speed and the widest dynamic range are needed: gas mixing in medical and analytical instruments, flow control in bioreactor and semiconductor applications and process control in industrial automation, research and development and prototyping.


More information online: ilmt.co/PL/qMmV 58174pr@reply-direct.com


INTERNATIONAL LABMATE - NOVEMBER 2022


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