Vega VEGADIF 65 Operating Instructions Manual page 73

Tantalum diaphragm
Measuring cell
Influence of the sys-
tem pressure to the
zero point
Influence of the sys-
tem pressure to the
span
Measuring cell
Influence of the system
pressure to the zero point
Influence of the system
pressure to the span
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
Total Performance
Ʋ 316L, Alloy, gold-rhodium diaphragm
Ʋ Tantalum diaphragm
Total Error - basic version
The specification "Total Error" comprises the longterm stability and the total performance.
Diaphragm material
316L, Alloy, gold rhodium
Tantalum
Heating time - all versions
Warm-up time
Long-term stability (according to DIN 16086 and IEC 60770-1)
Applies to digital interfaces (HART, Profibus PA, Foundation Fieldbus) as well as to analogue cur-
rent output 4 ... 20 mA. Specifications refer to the measuring range final value.
Measuring ranges
10 mbar, 100 mbar
For measuring ranges ≥ 500 mbar to TD 2 : 1
13)
All specifications apply to the temperature range +10 ... +60 °C (+50 ... +140 °F).
14)
For measuring ranges ≥ 500 mbar to TD 2 : 1
15)
All specifications apply to the temperature range +10 ... +60 °C (+50 ... +140 °F).
16)
VEGADIF 65 • 4 ... 20 mA
10 mbar 30 mbar
±0.28 % of ±0.70 % of
URL/7 bar URL/70 bar
±0.28 % of ±0.70 % of
URL/7 bar URL/70 bar
3 bar
±0.14 % of URL/7 bar
±0.14 % of URL/7 bar
Measuring range
< 500 mbar
from 500 mbar
< 500 mbar
from 500 mbar
1 year
±0.18 %
100 mbar
±0.42 % of
URL/70 bar
±0.42 % of
URL/70 bar
16 bar
±0.14 % of URL/70 bar
±0.14 % of URL/70 bar
±0.15 % of the set span
±0.30 % of the set span
≤ 10 s
500 mbar
±0.14 % of
URL/70 bar
±0.14 % of
URL/70 bar
40 bar
±0.14 % of URL/70 bar
±0.14 % of URL/70 bar
= 70 bar).
st
13)14)
15)16)
Total Error
0.33 % of the measuring range end
value/year
0,20 % of the measuring range fi-
nal value
0.48 % of the measuring range end
value/year
0.35 % of the measuring range end
value/year
5 years
-
10 Supplement
73