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Technical data, 4 measuring accuracy – KROHNE OPTIFLUX 6000 EN User Manual

Page 38

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TECHNICAL DATA

38

OPTIFLUX 6000

www.krohne.com

11/2013 - 4001723703 - HB OPTIFLUX 6000 R03 en

6.4 Measuring accuracy

Reference conditions

• Medium: water
• Temperature: 20°C / 68°F
• Pressure: 1 bar / 14.5 psi
• Inlet section: ≥ 5 DN
• Electrical conductivity ≥ 300 μS/cm

Figure 6-1: Flow velocity vs. accuracy
X [m/s] : flow velocity
Y [%]: deviation from the actual measured value (mv)

Compact with IFC 300

Accuracy

Curve

DN2.5...6 / 1/10...1/4"

0.3% of MV + 2 mm/s

3

DN10...150 / 3/8...6"

0.2% of MV + 1 mm/s

1

Compact with IFC 100

Accuracy

Curve

DN2.5...6 / 1/10...1/4"

0.4% of MV + 1 mm/s

2

DN10...150 / 3/8...6"

0.3% of MV + 1 mm/s

4

Compact with IFC 050

Accuracy

Curve

DN10...150 / 3/8...6"

0.5% of mv above 0,5 m/s

below 0,5 m/s, deviation ± 2.5 mm/s

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