Proline Promag 53 MODBUS RS485 Technical data
Endress+Hauser 119
10.1.6 Performance characteristics
Reference operating
conditions
To DIN EN 29104 and VDI/VDE 2641:
• Fluid temperature: +28 °C ± 2 K
• Ambient temperature: +22 °C ± 2 K
• Warm-up time: 30 minutes
Installation:
• Inlet run >10 × DN
• Outlet run > 5 × DN
• Sensor and transmitter grounded.
• Sensor centered relative to the pipe.
Maximum measured error Standard: ±0.2% o.r. ± 2 mm/s (o.r. = of reading)
!
Note!
Supply-voltage fluctuations have no effect within the specified range.
a0004456
Fig. 65: Max. measured error in % of reading
Repeatability Standard: max. ±0.1% o.r. ± 0.5 mm/s (o.r. = of reading)
10.1.7 Operating conditions: Installation
Installation instructions → ä 13
Inlet and outlet runs Inlet run: typically ≥ 5 × DN
Outlet run: typically ≥ 2 × DN
Length of connecting cable • The permissible cable length L
max
for the remote version depends on the conductivity of the
medium → ä 20.
• A minimum conductivity of 20 μS/cm is required to measure demineralized water.
0
1
2.5
[%]
2.0
1.5
1.0
0.5
0
2 4 6 8 10 [m/s]
v
5 10 15 20 25 30 32 [ft]0
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