57
10 Supplement
VEGABAR 66 • 4 … 20 mA/HART - climate compensated
36738-EN-130321
The specifications are only an overview and refer to the measuring cell. Limitations due to the ma
-
terial and version of the process fitting are possible. The specifications on the nameplate apply.
Nominal range
Overload capacity, max.
pressure
Overload capacity, min. pres-
sure
Gauge pressure
0
…
+3
psig
+500
psig
-15
psig
0
…
+6
psig
+700
psig
-15
psig
0
…
+15
psig
+700
psig
-15
psig
0
…
+35
psig
+950
psig
-15
psig
0
…
+70
psig
+950
psig
-15
psig
0
…
+150
psig
+1300
psig
-15
psig
0
…
+350
psig
+1900
psig
-15
psig
0
…
+900
psig
+2900
psig
-15
psig
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 determined according to the limit point method according to IEC 60770
12)
Applies to the
digital
signal output (HART, Profibus PA, Foundation Fieldbus) as well as to
ana-
logue
current output 4
…
20
mA and refers to the set span. Turn down (TD) is the ratio nominal
measuring range/set span.
Deviation
Ʋ
Turn down 1
:
1 up to 5
:
1
<
0.1
%
Ʋ
Turn down >
5
:
1
<
0.02
%
x
TD
Influence of the product or ambient temperature
Average temperature coefficient of the zero signal and the output span
Applies to the
digital
signal output (HART, Profibus PA, Foundation Fieldbus) as well as to
ana-
logue
current output 4
…
20
mA and refers to the set span. Turn down (TD) is the ratio nominal
measuring range/set span.
12)
Incl. non-linearity, hysteresis and non-repeatability.