VEGA VEGACAL 64 Profibus PA - Manual (Page 39)

39
10 Supplement
VEGACAL 64 • Profibus PA
30031-EN-130917
Input variable
Measured variable
level of conductive, adhesive liquids
Measuring principle phase-selective admittance processing (PSA)
Measuring range 0 … 3000 pF
Measuring frequency 270 kHz
Accuracy (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
Ʋ Temperature +18 … +30 °C (+64 … +86 °F)
Ʋ Relative humidity 45 … 75 %
Ʋ Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Temperature error
Ʋ < 120 pF < 1 pF
Ʋ > 120 pF 1 % of the current measured value
Linearity error < 0.25 % of the complete measuring range
Ambient conditions
Ambient, storage and transport tempera-
ture
-40 … +80 °C (-40 … +176 °F)
Process conditions
Process pressure
-1 … 64 bar/-100 … 6400 kPa (-14.5 … 928 psig)
Process temperature VEGACAL 64 of
316L
-50 … +150 °C (-58 … +302 °F)
1
2
-50˚C
(-58˚F)
50˚C
(122˚F)
40˚C
(104˚F)
-40˚C
(-40˚F)
80˚C
(176˚F)
0˚C
(32˚F)
100˚C
(212˚F)
150˚C
(302˚F)
Fig. 24: Ambient temperature - Process temperature
1 Process temperature
2 Ambient temperature
Dielectric constant ≥ 1.5
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Cable entry/plug
2)
2) Depending on the version M12 x 1, according to DIN 43650, Harting, 7/8" FF.