KROHNE OPTIFLUX 4000 EN - Manual (Page 26)

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TECHNICAL DATA
26
OPTIFLUX 4000
www.krohne.com 01/2011 - 4000818502 - HB OPTIFLUX 4000 R02 en
Measuring accuracy
Reference conditions Flow conditions similar to EN 29104
Medium: water
Electrical conductivity: ≥ 300 μS/cm
Temperature: 10...30°C / 50...86°F
Inlet section: ≥ 5 DN
Operating pressure: 1 bar / 14.5 psig
Wet calibrated on EN 17025 accredited calibration rig by direct
volume comparison.
Accuracy curves For detailed information on the measuring accuracy, see chapter
"Measuring accuracy".
Option: verification to MID MI-001
(Only in combination with IFC 300)
Option: calibration according to OIML R49
(Only in combination with IFC 300)
Related to volume flow (MV = Measured Value)
These values are related to the pulse / frequency output.
The additional typical measuring deviation for the
current output is ±10 μA.
With IFC 040 converter: With IFC 040 converter: With IFC 040 converter: With IFC 040 converter:
v < 1 m/s / 3.3 ft/s: ± 5 mm/s
v > 1 m/s / 3.3 ft/s: ± 0.5 % of MV
With IFC 100 converter: With IFC 100 converter: With IFC 100 converter: With IFC 100 converter:
DN2.5...6: ± 0.4% of MV + 1 mm/s
DN10...1200: ± 0.3% of MV + 1 mm/s
With IFC 300 converter: With IFC 300 converter: With IFC 300 converter: With IFC 300 converter:
DN2.5...6: ± 0.3% of MV + 2 mm/s
DN10...1600: ± 0.2% of MV + 1 mm/s
DN1800...3000: ± 0.3% of MV + 2 mm/s
Repeatability ± 0.1% of MV, minimum 1 mm/s
Long term stability ± 0.1% of MV
Special calibration On request.