Water Samplers - Learn More Understanding vacuum pumps and sample velocity

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Sampling Velocity

2.5 feet per second (fps) is typically the minimum velocity recommended for sampling.

Horizontal and vertical distances should not be considered separately because they work together to affect velocity. As the liquid moves across and up, it must be pumped with enough force to maintain the desired velocity for representative sampling.

Read about variables that affect velocity.

View full size chart.

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1)	Learn more about water samplers!
2)	Introducing Vacuum Pumps
3)	Sampling Velocity
4)	Learn To Use a Sampler

Water Samplers - Learn More Understanding vacuum pumps and sample velocity

Sampling Velocity

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