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Appendix A:
Specifications
GENERAL
NEW! DSP
Measurement
Technique:
Transit time.
Timing Resolution:
50 pico-second, continuous signal level indication on display.
Improved! Flow
Velocity Range:
Minimum Velocity 0.1m/s; Max Velocity 20m/s: Bi-directional.
Turn Down Ratio:
100:1
Accuracy:
±0.5% to ±2% of flow reading for flow rate >0.2m/s and Pipe ID >75mm.
±3% of flow reading for flow rate >0.2m/s and Pipe ID in range 13mm - 75mm.
±6% of flow reading for flow rate < 0.2m/s.
Repeatability:
±0.5% of measured value or ±0.02m/s whichever is the greater.
NEW!
Reynolds
Number Correction:
Flow velocity corrected for Reynolds number over entire velocity range.
Response Time:
< 500ms depending on pipe diameter.
Selectable Flow Units:
VELOCITY: m/sec, ft/sec.
VOLUME: l/s, l/min, l/h, gal/min, gal/h, USgals/min, USgals/h, Barrel/h, Barrel/day, m³/s,
m³/min, m³/h.
Selectable Volume
Units:
l, gal, USgals, Barrel, m³.
Total Volume:
12 Digits - forward and reverse.
APPLICABLE FLUID TYPES
Fluid Condition:
Clean liquids or oils that have less than 3% by volume of particulate content. Applications include river water, sea
water, potable water, demineralised water, glycol/water mix, hydraulic systems and diesel oil.
APPLICABLE PIPE TYPES
Pipe Materials:
Any sonic conducting medium such as Carbon Steel, Stainless Steel, Copper, UPVC, PVDF, Concrete, Galvanised
Steel, Mild Steel, Glass, Brass. Including Lined Pipes - Epoxy, Rubber, Steel, Plastic.
Pipe Dimension
(outside diameter):
Min 13mm; Max 5000mm with D sensor set.
Pipe Wall Thickness:
1mm - 75mm.
Pipe Lining:
Applicable pipe linings include Rubber, Glass, Concrete, Epoxy, Steel.
Pipe Lining Thickness:
0mm – 10mm.
Pipe Wall Temperature
Range:
Standard sensor operating temperature is -4°F to 275°F (-20°C to +135°C).
Optional high temperature sensor operating temperature is -4°F to 392°F ( -20°C to +200°C).
TRANSDUCER SETS
Standard:
Temperature Range -4°F to 275°F (-20°C to +135°C).
'A-ST' (standard) 0.51” to 4.525” (13 mm…115 mm pipe O.D. (2MHz).
'B-ST' (standard) 1.97” to 78.74” (50 mm…2000 mm pipe O.D. (1MHz).
'D'* 1500 mm…5000 mm pipe O.D. * Temperature Range -4°F to 176°F (-20°C to +80°C) (0.5MHz).