WIKA DPT-10 - Manual (Page 78)

Measuring cell 10 mbar 30 mbar 100 mbar 500 mbar
Influence of the sys-
tem pressure to the
zero point ± 0.28 % of URL/
7 bar
± 0.70 % of URL/
70 bar
± 0.42 % of URL/
70 bar
± 0.14 % of URL/
70 bar
Influence of the sys-
tem pressure to the
span ± 0.28 % of URL/
7 bar
± 0.70 % of URL/
70 bar
± 0.42 % of URL/
70 bar
± 0.14 % of URL/
70 bar
Measuring cell 3 bar 16 bar 40 bar
Influence of the system
pressure to the zero point ± 0.14 % of URL/7 bar ± 0.14 % of URL/70 bar ± 0.14 % of URL/70 bar
Influence of the system
pressure to the span ± 0.14 % of URL/7 bar ± 0.14 % of URL/70 bar ± 0.14 % of URL/70 bar
Total accuracy
Total Performance - Basic version
The specification "Total Performance" comprises non-linearity incl. hysteresis and non-
repeatability, thermal change of the zero point and static pressure influence (p
st
= 70 bar).
Total Performance
-
316L, Alloy, gold-rhodium diaphragm ± 0.15 % of the set span 12)13)
-
Tantalum diaphragm ± 0.30 % of the set span 14)15)
Total Error - basic version
The specification "Total Error" comprises the longterm stability and the total performance.
Diaphragm material Measuring range Total Error
316L-, Alloy-, Gold-Rhodium < 500 mbar 0.33 % of the measuring range end
value/year
from 500 mbar 0,20 % of the measuring range final
value
Tantalum < 500 mbar 0.48 % of the measuring range end
value/year
from 500 mbar 0.35 % of the measuring range end
value/year
12) For measuring ranges ≥ 500 mbar up to TD 2 : 1
13) All specifications apply to the temperature range +10 … +60 °C
(+50 … +140 °F).
14) For measuring ranges ≥ 500 mbar up to TD 2 : 1
15) All specifications apply to the temperature range +10 … +60 °C
(+50 … +140 °F).
78 Differential pressure transmitter DPT10 - metal measuring diaphragm • Profibus PA
11 Supplement
37245
-EN
-100120