Laboratory Products 45
Measure and Control Flow Directly at the Temperature Control Unit
Huber Kältemaschinenbau offers a variety of measuring equipment for installation in the temperature control circuit in order to measure and control the flow rate. The flow rate can be displayed directly on the controller and can be requested and/or set through the digital interfaces (USB, RS232, LAN and optionally RS485, Profibus). It is also possible to control the flow rate using flow on an Unichiller or Unistat equipped with an integrated
VPC bypass or external VPC bypass. The flow meters are available in different designs; depending on model and temperature control device. They cover flow rates between 0.2 and 750 litres per minute and working temperatures from -125 to +425°C.
The flow measurement devices can be used to complete basic tasks, such as determining kinetic/dynamic features of reaction syntheses and crystallisation, inspections of heat quantities and scale-up testing. Unistats can also be assigned. The new E-grade ‘Explore’ allows Unistats (only) to display or request the current system capacity (heating/cooling), as well as of the temperature differences, and is therefore perfectly suited to developing and optimising chemical processes.
Further information is available at
www.huber-online.com 39662pr@reply-direct.com
New Quick Disconnect Coupling for Temperature Control Applications
Temperature control units are usually connected to the application (e.g. reactor) using insulated temperature control hoses. If it is necessary to frequently change applications with a temperature control unit, using quick couplings can be helpful.
Huber Kältemaschinenbau has developed new quick couplings
which fulfil the special requirements for temperature control technology and reliably prevent thermoregulation fluid leaks. The quick couplings ensure only minor pressure drops and good heat transfer. If pressure- sensitive glass equipment is being used, an optional adapter can connect a pressure relief device. An ATEX 2 permit for zone 2 is available upon request.
40081pr@reply-direct.com 5711ad@reply-direct.com Peter Huber Kältemaschinenbau AG
Werner-von-Siemens-Strasse 1 • 77656 Offenburg Phone +49 (0)781 9603-0 •
info@huber-online.com
www.huber-online.com
• Working temperatures: -90°C to +300°C • Models for internal and external tasks • Heating and cooling powers up to 7 kW • Powerful controllable circulation pumps • Function expansion with E-grade system • MPC or Pilot ONE controller • Natural refrigerant propane R290
-125...+425°C
TEMPERATURE CONTROL INTELLIGENT
Heating & Cooling Circulators
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