7.5 Error limits
Measuring uncertainty under reference conditions
Pulse output ± 0.5% o.r. ± 0.01% o.f.s. (full-scale value = 10 m/s)
(Promag 30 D: plus ± 0.2% o.r.)
Current output plus typ. ±10 µA
Repeatability ± 0.1% o.r. ± 0.005% o.f.s.
Options Promag 30 A and F: ± 0.2% o.r. ± 0.05% of Q
k
Promag 30 D: ± 0.45% o.r. ± 0.05% of Q
k
Q
k
= desired reference flow rate for
calibration (v = 2...10 m/s).
Please quote Q
k
when ordering
Power supply voltage Within the specified range, fluctuation of
the supply voltage has no effect.
Reference conditions (DIN 19200 and VDI/VDE 2641)
Medium temperature +28 °C ± 2 K
Ambient temperature +22 °C ± 2 K
Heating-up time 30 minutes
Installation at inlet length >10 x DN
reference conditions outlet length >5 x DN
Sensor and transmitter are earthed.
The sensor is mounted centrally in the pipe.
Medium velocity
[m/s]
Error [% o.r.]
ba008y59
0.5%
0.2% (option)
Fig. 65
7. Technical Data Promag 30
68 Endress+Hauser
To Next Page
Loading...
