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Low Flow
Configuration Specifications:
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(Refer to our brochure
and technical notes on this product for more information.)
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Nozzle Set: Standard - 6 Sonic Nozzles with a
binary progression in throat area
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(diameters range from 0.031” to 0.177”).
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Option 1 - 7 Sonic Nozzles with a binary progression in throat
area
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(diameters range from 0.022” to 0.177”).
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Option 2 - 7 Sonic Nozzles with a binary progression in throat
area
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(diameters range from 0.031” to 0.250”).
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Air Mass Flow Range: Standard 0.0005 to 0.1 lbm/sec 200:1 Turndown
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Option 1
0.0003 to 0.1 lbm/sec 333:1
Turndown
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Option 2
0.0005 to 0.22 lbm/sec 440:1
Turndown
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(Refer to FLOW SYSTEMS’
Technical Note “Flow Bench Capabilities” for detailed Test Measure ranges,
Effective Area, Flow Parameter, Reduced Mass Flow.)
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Part Pressure Range: 0.5 to 50 psig (other, custom ranges available on request)
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Part Pressure Ratio
Range: 1.04 to 4.4 psig (other, custom ranges available on request)
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Accuracy: +/-0.48% of reading, traceable to NIST
Standards.
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(Refer to FLOW SYSTEMS’
Technical Note “Low & High Flow Systems Uncertainty Analysis”.)
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Repeatability:
Less than +/-0.25% as defined as 2 standard deviations divided by the mean
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of 20 identical samples.
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Cycle Time: 20 to 40 seconds depending on percentage of
maximum capacity.
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Connections: Flow
Ports -12 Swagelok Full Flow Female Quick Connectors QF series; (-16 on
Option 2)
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Pressure -4
Swagelok Instrumentation Female Quick Connectors QC series, color keyed.
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