Endress+Hauser Deltabar FMD72 - Page 127

Deltabar FMD71, FMD72 Technical data
Endress+Hauser 127
15.4.10 Total error
The total error comprises the total performance and long-term stability. All specifications
apply to the temperature range –10 to +60 °C (+14 to +140 °F).
Measuring cell % of URL/year for every sensor Calculated total error (TE
Diff
) of the differential pressure
400 mbar (6 psi) TE = ±0.30 Calculation (mbar, bar or psi):
TE
Diff
HP HP
2
(TE URL )
+=
.
LP LP
2
(TE URL )
.
100 100
A0016472
Percentage calculation of URL dP:
TE [%]
P
100
.
Diff
Diff
=
TE
Diff
A0016473
1 bar (15 psi)
2 bar (30 psi)
4 bar (60 psi)
10 bar (150 psi)
40 bar (600 psi)
TE = ±0.20
15.4.11 Warm-up period
4 to 20 mA HART : < 10 s