VEGA VEGABAR 87 Save sensor - Operating Instructions - Manual (Page 44)

44
9 Supplement
VEGABAR 87 • Slave sensor for electronic differential pressure
45053-EN-131011
Nominal range Overload capacity, max.
pressure
Overload capacity, min. pres-
sure
0 … +5 psig +435 psig -11.60 psig
0 … +15 psig +510 psig -14.51 psig
0 … +30 psig +725 psig -14.51 psig
0 … +150 psig +1300 psig -14.51 psig
0 … +300 psig +1900 psig -14.51 psig
Absolute pressure
0 … 15 psi
510 psi 0 psi
0 … 30 psi 725 psi 0 psi
0 … 150 psi 1300 psi 0 psi
0 … 300 psi 1900 psi 0 psi
Reference conditions and actuating variables (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
Ʋ Temperature +15 … +25 °C (+59 … +77 °F)
Ʋ Relative humidity 45 … 75 %
Ʋ Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Determination of characteristics Limit point adjustment according to IEC 61298-2
Characterstic curve Linear
Reference installation position upright, diaphragm points downward
Influence of the installation position < 0.2 mbar/20 Pa (0.003 psig)
Deviation (according to IEC 60770)
Specifications refer to the set span. Turn down (TD) is the ratio: nominal measuring range/set span.
Accuracy class Non-linearity, hysteresis and re-
peatability with TD 1 : 1 up to 5 : 1
Non-linearity, hysteresis and re-
peatability with 5 : 1
0.1 % < 0.1 % < 0.02 % x TD
Influence of the product or ambient temperature
Thermal change zero signal and output span
Turn down (TD) is the relation nominal measuring range/adjusted span.
Ceramic/Metal measuring cell - Standard
Medium or ambient temperature T
-40 … 0 °C (-40 … +32 °F)
< {0.15 % + 0.015 %/K x (-T)} x {0.5+0.5 x TD}
0 … 40 °C (+32 … +104 °F) < {0.0075 %/K x (T - 20 °C)} x {0.5+0.5 x TD}
40 … 100 °C (+104 … +212 °F) < {0.15 % } x {0.5+0.5 x TD}
100 … 120 °C (+212 … +248 °F) < {0.15 % + 0.005 %/K x (T - 100 °C)} x {0.5+0.5 x TD}
Ceramic/Metal measuring cell - climate-compensated
Compensated temperature range
0 … +100 °C (+32 … +212 °F)