PROline Promag 10 3 Installation
Endress+Hauser 17
3.2.7 Nominal diameter and flow rate
The diameter of the pipe and the flow rate determine the nominal diameter of the sensor.
The optimum flow velocity is between 2...3 m/s. The velocity of flow (v), moreover, has
to be matched to the physical properties of the fluid:
• v < 2 m/s: for abrasive fluids such as potter's clay, lime milk, ore slurry, etc.
• v > 2 m/s: for fluids producing build-up such as wastewater sludge, etc.
!
Note!
Flow velocity can be increased, if necessary, by reducing the nominal diameter of the
sensor (see Section 3.2.6).
Promag W
Flow rate characteristic values - Promag W (SI units)
Nominal
diameter
Recommended
flow rate
Factory settings
[mm] [inch]
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 pulse/s)
Low flow cut off
(v ~ 0.04 m/s)
25 1" 9...300 dm
3
/min 75 dm
3
/min 0.50 dm
3
1dm
3
/min
32 1 1/4" 15...500 dm
3
/min 125 dm
3
/min 1.00 dm
3
2dm
3
/min
40 1 1/2" 25...700 dm
3
/min 200 dm
3
/min 1.50 dm
3
3dm
3
/min
50 2" 35...1100 dm
3
/min 300 dm
3
/min 2.50 dm
3
5dm
3
/min
65 2 1/2" 60...2000 dm
3
/min 500 dm
3
/min 5.00 dm
3
8dm
3
/min
80 3" 90...3000 dm
3
/min 750 dm
3
/min 5.00 dm
3
12 dm
3
/min
100 4" 145...4700 dm
3
/min 1200 dm
3
/min 10.00 dm
3
20 dm
3
/min
125 5" 220...7500 dm
3
/min 1850 dm
3
/min 15.00 dm
3
30 dm
3
/min
150 6" 20...600 m
3
/h 150 m
3
/h 0.025 m
3
2.5 m
3
/h
200 8" 35...1100 m
3
/h 300 m
3
/h 0.05 m
3
5.0 m
3
/h
250 10" 55...1700 m
3
/h 500 m
3
/h 0.05 m
3
7.5 m
3
/h
300 12" 80...2400 m
3
/h 750 m
3
/h 0.10 m
3
10 m
3
/h
350 14" 110...3300 m
3
/h 1000 m
3
/h 0.10 m
3
15 m
3
/h
400 16" 140...4200 m
3
/h 1200 m
3
/h 0.15 m
3
20 m
3
/h
450 18" 180...5400 m
3
/h 1500 m
3
/h 0.25 m
3
25 m
3
/h
500 20" 220...6600 m
3
/h 2000 m
3
/h 0.25 m
3
30 m
3
/h
600 24" 310...9600 m
3
/h 2500 m
3
/h 0.30 m
3
40 m
3
/h