Accuracy; Reference Conditions - Siemens SITRANS MAG 6000 I Operating Instructions Manual

Electromagnetic flowmeters
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11.3 Accuracy

11.3
Accuracy
For accuracy reference conditions, see below.
[±% E]
1,4
1,2
1,0
0,8
0,6
0,4
0,2
0,0
Figure 11-2

Reference conditions

(ISO 9104 and DIN/EN 29104)
A calibration certificate is shipped with every sensor and calibration data are stored in
SENSORPROM
Medium temperature
Ambient temperature
Supply voltage
Warming-up time
Incorporation in conductive pipe section
Inlet section
Outlet section
Flow conditions
Reference conditions for sensor calibration
Current output
Effect of ambient temperature
Display/frequency/pulse output
Current output
68
V: Flow velocity
E: Meter uncertainty as a percentage of measured value
v ≥ 0.1 m/s (0.3 ft/s) --> E: ±0.2 ± 1 mm/s *
v < 0.1 m/s (0.3 ft/s) --> E: ±(0.125/v) % of measured value *
* MAG 5100 W (Order No. 7ME652...) with DN 350 ... 1200
v ≥ 0.1 m/s (0.3 ft/s) --> E: ±0.2 ± 2.5 mm/s
v < 0.1 m/s (0.3 ft/s) --> E: ±(0.25/v) % of measured value
0
1
2
3
4
0
3.3
6.6
9.9
13
MAG 6000 I / MAG 6000 I Ex de with MAG 1100 (not PFA), MAG 1100 HT, MAG 1100
F (not PFA), MAG 5100 W, MAG 3100 P, MAG 3100 and MAG 3100 HT
memory unit.
®
5
6
7
8
16
20
23
26
20 °C ± 10 K (68°F ± 18 °F)
25 °C ± 10 K (68°F ± 18 °F)
U
± 1%
n
30 minutes
10 x DN (DN ≤ 1200/48")
5 x DN (DN > 1200/48")
5 x DN (DN ≤ 1200/48")
3 x DN (DN > 1200/48")
Developed flow profile
As pulse output ± (0.1% of actual flow + 0.05% FSO)
< ± 0.003% / °C act.
< ± 0.005% / °C act.
Operating Instructions, 08/2018, A5E02083319-AH
9
10
11
12 [m/s]
30
33
36
39
[ft/s]
SITRANS MAG 6000 I/6000 I Ex de

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