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TBM 230 / TBM 240

Microwaves are transmitted through the process material to the receiver. Measurement of microwave phase shift and attenuation enables determination of moisture content. The technology is not affected by segregation, as the microwaves pass through all the material and measurements are independent of material size and flow rate.

There are a number of features of this analyser that are the same as the TBM210 including:

• Provides accurate moisture analysis of full material thickness

• Compensates for varying flow rates

• Robust frame mounts to existing conveyor structure

• No contact with the conveyor belt or process material

• Rapid “online” results

• Industry standard outputs

• Optional stainless steel frame

• No radioactive source required

In contrast to the TBM210, this analyser is capable of penetrating very high bulk density materials. For example, the TBM 230 can accurately measure bed depths of up to 600 mm.

""The economic benefit gained from use of the Coalscan on-line ash monitors in most cases results from control of mining and plant operations closer to the required specification ash content. A number of independent studies have estimated the benefits of on-line ash analysis to average more than A$500 000 per year per installed gauge.""

csiropedia.csiro.au March 2011