31 Ovens, Furnaces & Heating Equipment Why Infrared Radiation Heating?


Infrared radiation heating refers to the spectrum between 0.7um-100um of light waves, emission and transmission accompanied by obvious, directional energy transmission. The energy transmission does not need any media, even in vacuum space. The infrared heating uses an electromagnetic wave with a wavelength of 2.5 to 15 um. This speed is much higher than the rate of conduction and convection. Thanks to this radiation heating technology, Wiggens hotplate and stirrer can be used for speedy heating up for various shaped vessels including round-bottom flasks, and the solution inside can be heated up to a maximum temperature of 450°C in a very short time.


The hotplate and stirrer, with its advanced infrared radiation technology, is characterised by direct, clean and safe heating compared to oil heating. The high infrared permeability ensures that the heating energy is transferred quickly and with very limited loss, i.e. it heats liquids fast and thus saves time and energy. PID control or advanced ICC technology enable good temperature stability. If the Pt-100 sensor is connected, temperature-controlled work with stability of ± 2°C can be reached in most applications.


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High-Temperature Laboratory Oven Solutions


Carbolite Gero manufactures the LHT range of bench mounted high-temperature laboratory ovens. Available in three sizes (30, 60 & 120 litre capacities), these high-temperature ovens can be ordered with a maximum operating temperature of 400°C, 500°C or 600°C.


Every LHT solution is fitted with a heavy-duty convection fan for optimum temperature uniformity and the ovens all have low thermal mass insulation to ensure fast response times and to maximise energy efficiency. The interiors are lined with brushed stainless steel to ensure they are corrosion resistant, and the ovens comes fitted with two multi-position shelves. In any busy laboratory these ovens are suitable for continuous operation with an easy wipe coated exterior.


Like so many Carbolite Gero oven and furnace solutions there are a host of possible options that can be specified at the time of ordering including a choice of sophisticated digital & touchscreen controllers, different cable entry ports, over-temperature protection, viewing window, variable speed fans, floor stands, heavy duty internal shelves, and vented stacking frames.


For organisations with Clean Rooms the HTCR series of high-temperature clean room ovens may be the perfect solution with sixteen standard models that vary in size from 28 to 1,000 litres and which, once again, can be purchased with maximum temperatures of 400°C, 500°C or 600°C. These ovens have been designed for compliance in an ISO 14644-1 Class 6 environment and have fully sealed low thermal mass insulation to avoid and fibre shedding. They are fitted with a fully enclosed brushless fan motor; the interior is polished stainless steel, and the door seal is manufactured using particle free silicone. If required compliance to ISO 14644-1 Class 5 can be specified at the time of order along with other options including access ports for thermocouples, a door locking mechanism and fixed or castor mounted floor stands. One other option is for a through wall (flange fitted) solution or even a fully bespoke design that best meets the customer’s requirements in their clean room.


Having provided quality, affordable laboratory oven solutions to customers around the globe for decades, Carbolite Gero an ideal supplier of choice for your next high-temperature oven. Every solution sold is backed up by trained service engineers and product specialists who are focussed on ensuring the longevity of any solution purchased to ensure it exceeds the expected return on investment.


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Oven Range Provides Flexibility and Unrivalled Performance


Designed to meet the increasing demands of today’s laboratory and process facility, OP Series Ovens from LTE Scientific are widely regarded to represent excellent value for money as they combine outstanding reliability and build quality.


Operating within a temperature range of 40 - 250°C, the OP range offers extremely fast heat up times, almost undetectable over-shoot and superb accuracy. Set and actual temperatures are digitally displayed and to ensure sample safety, a manual reset over-temperature cut out (meeting IEC1010-2-010) has been incorporated.


Available Sizes: 60, 100, 150 & 250-litres. Each oven is coated in anti-bacterial epoxy powder to protect against the growth and migration of bacteria. All models are available with either fan circulation or natural convection, adjustable vent and a choice of PID control systems to suit most applications.


This ranges from a single temperature set-point controller, through to a multi-program option, which stores up to eight multiple step cycles in the memory. This includes a ramp function which controls the temperature rise and fall rates. The program can be stopped, repeated for a specified number of times or continued until interrupted, and in the event of a power failure the product has an automatic recovery function.


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New Heating/Chilling HPLC Column Temperature Controller


Torrey Pines Scientific, Inc announces its new EchoTherm™ Model CO50 Programmable HPLC Column Chiller/Heater. The unit has a temperature range from 4.0°C to 100.0°C readable and settable to 0.1°C. The PID control software regulates temperatures to ±0.2°C, even at ambient. The CO50 has a Stable Temperature LED that illuminates when the target temperature is stable to within ±0.2°C.


The Peltier-based CO50 has 5-program memory of 10 steps per program and the ability to repeat any program from 1 to 99 times automatically. It is ideal for chiral and biomedical chromatography where below ambient temperatures help preserve bioactivity. It can be used for stabilising column temperatures from day to day at or near room temperatures for repeatable results. The CO50 holds columns up to 30cm long by ¼” or 3/8” diameter in mounting clips provided. Larger diameter columns can be used by removing the column clips that hold the smaller columns.


The CO50 features RS232 I/O port for controlling the unit by a chromatograph, for programming gradients, and for data collection. Also included are an injection counter, 30-day timer with user settable Auto-Off, and chamber drain for spills.


The unit comes with a bench top universal power supply for use anywhere in the world, 3-wire AC line cord for the country of use, twelve month warranty and instruction manual. The Model CO50 is UL, CSA, and CE compliant.


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