GE PT878GC Manual De Usuario

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April 2004
11-2
Specifications
Operation and Performance
Fluid Types
Acoustically conductive gases with minimum density 
requirements. See Table 3-1 on page 3-4.
Pipe Sizes
4 to 24 in. (101.6 to 609.6 mm) and larger. (Consult GE 
Panametrics.)
Pipe Wall Thickness
See Table 3-1 on page 3-4.
Pipe Materials
All unlined metals and plastics; no lined pipes.
Clamp-On Flow Accuracy (Velocity)
For pipes 6 in. (150 mm) and smaller: ±2% to 5% of reading 
typical
For pipes over 6 in. (150 mm): ±1% to 2% of reading typical
Note: Accuracy depends on pipe size and whether measurement 
is one-path or two-path.  Accuracy to ±0.5% of reading 
may  be  achievable  with  process  calibration.                                                                                    
Repeatability
± 0.2 to 0.5% of reading
Range (Bidirectional)
See Table 3-1 on page 3-4.
Rangeability (Overall)
150:1
Note: Specifications assume a fully developed flow profile 
(typically 20 diameters upstream/10 diameters 
downstream straight run) and flow velocity greater than 
6 ft/s (1.83 m/s).