Proline Promag 50H, 53H
20 Endress+Hauser
Pressure loss • With DN 8 to 100 (3/8 to 4") no pressure loss if the sensor is installed in a pipe with the same nominal
diameter.
• Pressure losses for configurations incorporating adapters according to DIN EN 545
(→ ä 16, Section "Adapters").
Flow characteristic values (US units)
Diameter Recommended flow rate Factory settings
[inch] [mm]
Min./max. full scale value
(v ~ 0.3 or 10 m/s)
Full scale value, current output
(v ~ 2.5 m/s)
Pulse value
(~ 2 pulses/s)
Low flow cut off
(v ~ 0.04 m/s)
1/12" 2 0.015 to 0.5 gal/min 0.1 gal/min 0.001 gal 0.002 gal/min
1/8" 4 0.07 to 2 gal/min 0.5 gal/min 0.005 gal 0.008 gal/min
3/8" 8 0.25 to 8 gal/min 2 gal/min 0.02 gal 0.025 gal/min
½" 15 1.0 to 27 gal/min 6 gal/min 0.05 gal 0.10 gal/min
1" 25 2.5 to 80 gal/min 18 gal/min 0.20 gal 0.25 gal/min
1½" 40 7 to 190 gal/min 50 gal/min 0.50 gal 0.75 gal/min
2" 50 10 to 300 gal/min 75 gal/min 0.50 gal 1.25 gal/min
3" 80 24 to 800 gal/min 200 gal/min 2.00 gal 2.50 gal/min
4" 100 40 to 1250 gal/min 300 gal/min 2.00 gal 4.00 gal/min
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