SFIDK.PS.029.Q3.02 5
2. Technical data
Tech. data
SITRANS F US SONOFLO
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2. Technical data
2.1 System accuracy
Reference conditions:
• Fluid: Water
• Fluid temperature: 22 ±5 °C
• Ambient temperature: 22 ±5 °C
• Supply voltage: 115-230 V a.c. +10% to −15%
24 V d.c. +25% to −15%, 24 V a.c. ±15%
• Straight length: 20 × Di
Rangeability: 0-1 m/s to 0-10 m/s
Repeatabilty: Better than 0.25% in the range from 0.5 m/s to 10 m/s
Linearity: Better than 0.4% for Reynolds number > 5000
Better than 1% for Reynolds number 1000 < Re < 5000
Additional effects of deviations from reference conditions
1. Current output: As frequency output ±(0.1% of actual flow +0.05% FSO)
2. Effect of ambient temperature: Display/frequency/pulse output: < 0.005% SPAN/K
3. Current output: < ±0.0075% SPAN/K
4. Effect of supply voltage: 0.005% of measuring value at 1% change
5. SONO 3300 DN 50 and DN 65 ±0.5% for Reynolds numbers 1000 < Re < 5000 ±1.5%
6. System accuracy SONO 3100 2-track ±0.15% F.S.O.
7. Theoretical calibration SONOKIT: ±0.5% to ±1.5%
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