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The MIDAS ferrous metal Debris Monitor

Background
Condition Based Maintenance, as part of a modern predictive maintenance strategy is increasingly important in improving reliability of plant and machinery. A wide range of monitoring techniques exists with the potential to dramatically reduce costs and increase profits. Of these techniques Lubricant Monitoring, or Oil Analysis offers a unique and direct means to assess machine or plant condition with a minimum of operator effort and experience. By taking regular oil or fluid samples, any wear present can be trended and any deviation from the normal pattern detected (and then corrected) at an early stage. Wear debris monitoring is of special value in detection of emerging problems in applications where vibration analysis, thermography or other indirect monitoring may lack sensitivity. Its value is compounded when used along with other approaches to gain a more complete insight into operating conditions.
Manor Technology has introduced The MIDAS free standing oil sample based ferromagnetic metal debris analyser, to facilitate ferrous debris analysis. The rapid and simple operation of MIDAS is accompanied by supreme sensitivity. MIDAS’ cost effective operation enables routine on-site ferrous debris monitoring, and is also a valuable instrument for precision specialist CM laboratory work.
How it works
Operation is based on a special inductive sensor and matching custom electronics with a unique, US & UK patented, combination of features. These guarantee uniquely stable and repeatable measurements, essential for meaningful wear data trending at a sufficiently early stage.
Key Features & applications
Ø Avoid unpredicted failures; facilitate pla nned maintenance
Ø Monitor system commissioning (‘break in’)
Ø Assess filter performance and integrity
Ø Supremely simple to use, small sample volume
Ø Lightweight, robust and portable
Ø Calibration independent of base fluid used
Ø Data to Reliability Centred Maintena nce programmes
Ø Throughput of 10 samples per minute achievable
Ø Excellent price / performance
Operation
MIDAS provides repeatable and accurate determination of ferromagnetic material concentration down to unprecedented levels. It provides a mass proportional output from any size of ferrous contaminant particles down to less than 1 micrometre diameter. A lubricant sample is placed in a standard 2ml laboratory sample tube. A debris reading is taken by simply dropping the plastic sample tube into the sensor opening of the unit and reading the updated display.

Article first posted : 17th of July, 2008

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