Fluidized Furnace Model 875

Safe fume free operation. 50°C to 700°C

Feature Video

Introducing the Fluidised Furnace

Fluidized Furnace Model 875

Safe fume free operation. 50°C to 700°C

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The Isotech fluidized calibration bath out performs dangerous salt baths in all respects: wider temperature range, less hazardous and better uncertainties. The bath is the result of 20 years research and development into flow patterns, powder technology and filtration. Recent developments have enabled the baths facilities to be extended even further, it is now eminently suitable for Liquid in glass thermometer calibration. To achieve this the filter and exhaust system were re-designed to cope with the increased level of powder needed for Liquid In Glass thermometer calibration.

The result is a calibration system to National Standards. The performance is only matched by heat pipe technology. The profiles are so small that the bath has been used by National Laboratories for fixed points of Indium through Aluminum, with great success. In comparison mode 2 sigma uncertainties of ±0.020°C at 300°C and ±0.035°C at 660°C can be obtained.

This is the only product capable of covering a very wide temperature range without a change of thermal media.

Like most fluidized bed baths, the 875 bath consists of a container of aluminum oxide powder with a porous base plate. Sufficient air is passed through the base plate to motivate the powder into a fluid like state so that it will flow, display buoyancy effects and have good heat transfer characteristics.

Technical Feature Value
Model 875
Temperature Range 50°C to 700°C
Volume (875/02) 67mm diameter, 475mm deep
Absolute Stability: ±0.005°C at 150°C
In Equalising Block: ±0.005°C at 450°C
(875/09a) 10 minutes: ±0.020°C at 660°C
Vertical Uniformity ±0.005°C at 350°C, ±0.005°C at 420°C, ±0.026°C at 660°C.
Heating Time 50°C to 700°C < 240 minutes
Compressed Air Supply 1 BAR, 30 litres/minute at 100°C (50L max)
Communications Includes serial interface, PC cable and software
Dimensions Width 580mm, Depth 460mm, Height 1570mm, (880mm to top panel)
Weight 85kg (including 22kg of Alumina powder)
Safety Compliant to CE Regulations
Power 3kW (3 x 1kW heaters) 208-240V, 50/60Hz
How to order Model 875 Fluidised Calibration Bath

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