MIL-1246 Particle Count

Technique for detecting and categorizing particles in a used lube oil resulting from wear or contamination. Standard particle count is the MIL-1246 (Military Standards). By the MIL STD test a laser passes through a specified opening, as the fluid pass through, perpendicular to the laser source, particles and debris block out the laser source and by measuring the time of blockage determine the size of particles in the following size range:

1 - 10 um

10 - 25 um

25 - 50 um

50 - 100 um

100 - 150 um

150 - 250 um

250 - 500 um

500 - 750 um

> 750 um

Other non-direct particle count methods include: Flow Rate Decay, Electro Conductivity, Optical Density Equivalent, Magnetic Mass Equitant and others. In the test, algorithms are calculated to approximate the particle quantities in each given size range.

	*1 - 10 um*
	*10 - 25 um*
	*25 - 50* um
	*50 - 100 um*
	*100 - 150 um*
	150 - 250 um
	250 - 500 um
	500 - 750 um
	*> 750 um*

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