WIKA DPT-10 - Manual (Page 77)

Measuring range Thermal changes of the zero
signal and the output span relat-
ing to the adjusted span
-10 … +60 °C (+14 … +140 °F) 10 mbar, 30 mbar ± (0.31 x TD + 0.06) %
100 mbar ± (0.18 x TD + 0.02) %
500 mbar, 3 bar ± (0.08 x TD + 0.05) %
16 bar ± (0.1 x TD + 0.1) %
16 bar ± (0.08 x TD + 0.05) %
-40 … +10 °C (-40 … +50 °F)
+ 60 … +85 °C (+140 … +185 °F)
10 mbar, 30 mbar ± (0.45 x TD + 0.1) %
100 mbar ± (0.3 x TD + 0.15) %
500 mbar, 3 bar ± (0.12 x TD + 0.1) %
16 bar ± (0.15 x TD + 0.2) %
40 bar ± (0.37 x TD + 0.1) %
Applies also to instruments with analogue 4 … 20 mA current output and refers to the set span.
Thermal change, current output < 0.15 % at -40 … +80 °C (-40 … +176 °F)
Influence of the system pressure on the zero point and span
316L , Alloy C276-, Alloy C276 gold-rhodium coated diaphragm
Measuring cell 10 mbar 30 mbar 100 mbar 500 mbar
Influence of the sys-
tem pressure to the
zero point ± 0.15 % of URL/
7 bar
± 0.35 % of URL/
70 bar
± 0.15 % of URL/
70 bar
± 0.075 % of URL/
70 bar
Influence of the sys-
tem pressure to the
span ± 0.035 % of URL/
7 bar
± 0.14 % of URL/
70 bar
± 0.14 % 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 ± 0.075 % of URL/7 bar ± 0.075 % of URL/70 bar ± 0.075 % 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
Tantalum diaphragm
Measuring cell 10 mbar 30 mbar 100 mbar 500 mbar
Differential pressure transmitter DPT10 - metal measuring diaphragm • Profibus PA 77
11 Supplement
37245
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EN
-100120