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Medium temperature range
Conductivity
!
Medium pressure range
(nominal pressure)
Pressure tightness
Limiting flow
Pressure loss
18
Operating conditions: Process
0 to +60 °C
The minimum conductivity is ≥ 5 μS/cm (≥ 20 μS/cm for demineralized water)
Note!
In the remote version, the necessary minimum conductivity also depends on the length of the connecting cable
(→ "Operating conditions: Installation" → "Length of connecting cable").
• EN 1092-1 (DIN 2501) = PN 16
• ANSI B 16.5 = Class 150
• JIS B2220 = 10 K
Measuring tube: 0 mbar abs (0 psi abs) with a fluid temperature of ≤60 °C
The diameter of the pipe and the flow rate determine the nominal diameter of the sensor.
The optimum flow velocity is between 2 and 3 m/s. The velocity of flow (v), moreover, has to be matched to
the physical properties of the fluid: v >2 m/s (in the case of fluids that cause buildup, such as wastewater sludge
etc.).
Flow characteristic values
Diameter
Recommended flow
Min./max. full scale value
(v ~ 0.3 or 10 m/s)
[mm]
[inch]
25
1"
9 to 300 dm
40
1 ½"
25 to 700 dm
50
2"
35 to 1100 dm
80
3"
90 to 3000 dm
• 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
(→ "Operating conditions: Installation" → "Adapters")
Full scale value current
output
(v ~ 2.5 m/s)
3
3
/min
75 dm
/min
3
3
/min
200 dm
/min
3
3
/min
300 dm
/min
3
3
/min
750 dm
/min
Proline Promag 50D
Factory settings
Pulse value
Low flow cut off
(~ 2 pulses/s)
(v ~ 0.04 m/s)
3
0.50 dm
1 dm
3
1.50 dm
3 dm
3
2.50 dm
5 dm
3
5.00 dm
12 dm
Endress+Hauser
3
/min
3
/min
3
/min
3
/min
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