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
µ
A
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.]
ba0
08y
59
0.5%
0.2% (option)
Fig. 65
7. Technical Data
Promag 30
68
Hauser
Summary of Contents for promag 30
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