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Model VF563

In-Line Flow Meter

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The J-TEC in-line flow meters provide all the advantages of vortex shedding technology, in a design that is perfect for rugged applications with minimal space requirements. The VF563 Series is the best value for your low-pressure gaseous flow applications. This device is the meter of choice especially for the measurement of blow-by gases in engine testing applications.

Other vortex flow meters lack crucial sensitivity because they can only detect vortices created by large, restrictive obstructions. This diminishes important low-end performance. The J-TEC design incorporates a small strut, which offers minimal flow restriction, for high accuracy over an extended range. Each meter is individually calibrated to NIST traceable standards. J-TEC flow meters have no moving parts, so they are rugged and trouble-free.

Benefits include: Minimal effect on engine performance during measurement, low pressure drop, driftfree performance, excellent at low flows (down to 0.14 ACFM), easy maintenance, 40:1 turndown ratio, continuous flow readings, high accuracy, excellent repeatability.

 

Flow Range
0.14 ACFM to 600 ACFM (0.24 to 1019 m3/hr)
 
Operating Temperature
0 to 200F (-18 to 93C)
 
Operating Pressure
-5 to 30 PSIG (-0.34 to 2.1 BARg)
 
Accuracy (%)
+/- 2% full scale (1% of reading with FC911 Flow Computer)
 
Repeatability
+/- 0.5% of reading
 
Construction
Anodized aluminum
 
Ambient Temp. Limits
-20 to 150F (-28 to 66C)
 
Response Time
300 ms analog/10 ms frequency