KROHNE WATERFLUX 3070 EN - Manual (Page 62)

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TECHNICAL DATA
62
WATERFLUX 3070
www.krohne.com 06/2013 - 4001410205 - HB WATERFLUX 3070 R05 en
Measurements
Measuring units Volume Volume Volume Volume
Default setting: m 3
Selectable: litre, gallon, imperial gallons, cubic feet, acre inch, acre feet
Flow rate Flow rate Flow rate Flow rate
Default setting: m 3 / hr
Selectable: litre/sec, gallon/min, imperial gallon/min,
cubic feet/hour, acre inch/day, acre feet/day
Measurement interval Default setting: 15s
Selectable: 1s, 5s, 10s, 15s, 20s
Empty pipe detection Optional: display shows - EP - in case of empty pipe detection
Low flow cut off Measurements below this value are neglected
Default setting: 10 mm/s
Selectable: 0 mm/s, 5 mm/s, 10 mm/s
Measuring accuracy
Reference conditions Medium: water
Temperature: +10...30°C / +50...86°F
Operating pressure: 1 bar / 14,5 psi
Inlet section: 3 DN / Outlet section: 1 DN
Electrical conductivity: > 300 µS/cm
Maximum measuring error DN25...300; down to 0.2% of the measured value ± 0.5 mm/s
DN350...600; down to 0.4% of the measured value ± 1 mm/s
The maximum measuring error depends on the installation conditions.
For detailed information refer to Measurement accuracy on page 72.
Repeatability DN 25...300; ±0.1% (v >0.5 m/s / 1.5 ft/s)
DN350...600; ±0.2% (v >0.5 m/s / 1.5 ft/s)
Calibration / Verification Standard: Standard: Standard: Standard:
2 Point calibration by a direct volume comparison.
Optional: Optional: Optional: Optional: for DN25...300
Verification to Measurement Instrument Directive (MID), Annex MI-001.
Standard: Verification at Ratio (Q3/Q1) = 80
Optional: Verification at Ratio (Q3/Q1) > 80
MID MI-001
(Directive 2004/22/EC)
EC-Type examination certificate to MID Annex MI-001 EC-Type examination certificate to MID Annex MI-001 EC-Type examination certificate to MID Annex MI-001 EC-Type examination certificate to MID Annex MI-001
Diameter: DN25...300
Minimum straight inlet flow: 0 DN
Minimum straight outlet flow: 0 DN
Forward and reverse (bi-directional) flow
Orientation: any
Ratio (Q3/Q1): up to 400
Liquid temperature range: +0.1°C / 50°C
Maximum operating pressure: ≤ DN200: 16 bar, ≥ DN250: 10 bar
For detailed information refer to Legal metrology on page 67.