VEGA VEGABAR 65 Profibus PA - Manual (Page 56)

Nominal range Overload, max. pressure Overload, min. pressure
-0.7 … 0.7 psig 200 psig -15 psig
-1.5 … 1.5 psig 290 psig -15 psig
-3 … 3 psig 430 psig -15 psig
-7 … 7 psig 500 psig -15 psig
Absolute pressure
0 … 15 psi 500 psi 0 psi
0 … 35 psi 700 psi 0 psi
0 … 70 psi 900 psi 0 psi
0 … 150 psi 1300 psi 0 psi
0 … 350 psi 1900 psi 0 psi
Reference conditions and actuating variables (similar to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
-
Temperature 18 … 30 °C (64 … 86 °F)
-
Relative humidity 45 … 75 %
-
Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Determination of characteristics limit point adjustment according to DIN 16086
Characteristics Linear
Reference installation position upright, diaphragm points downward
Influence of the installation position < 5 mbar/0.5 kPa (0.07 psig)
Deviation determined according to the limit point method according to IEC 60770 11 )
Applies to digital interfaces (HART, Profibus PA, Foundation Fieldbus) as well as to analogue
current output 4 … 20 mA. Specifications refer to the set span. Turn down (TD) is the ratio nominal
measuring range/set span.
Deviation
-
Turn down 1 : 1 up to 5 : 1 < 0.075 %
-
Turn down > 5 : 1 < 0.015 % x TD
Deviation with absolute pressure measuring range 0.1 bar
-
Turn down 1 : 1 up to 5 : 1 < 0.25 %
-
Turn down > 5 : 1 < 0.05 % x TD
Influence of the product or ambient temperature
Applies to instruments with digital signal output (HART, Profibus PA, Foundation Fieldbus) as well
as to instruments with analogue current output 4 … 20 mA. Specifications refer to the set span.
Turn down (TD) = nominal measuring range/set span.
Thermal change zero signal and output span, reference temperature 20 °C (68 °F):
11) Incl. non-linearity, hysteresis and non-repeatability.
56 VEGABAR 65 • Profibus PA
10 Supplement
28253
-EN
-090522