Vega VEGADIF 65 Operating Instructions Manual page 80

11 Supplement
Adjustment range of the zero/span adjustment relating to the nominal measuring range:
Pressure value zero
-
Pressure value span
-
Recommended max. turn down
Nominal measuring ranges, measurement limits and smallest spans to be calibrated
Nominal range
10 mbar (1 kPa)
30 mbar (3 kPa)
100 mbar (10 kPa)
500 mbar (50 kPa)
3 bar (300 kPa)
16 bar (1600 kPa)
40 bar (4000 kPa)
Reference conditions and actuating variables (similar to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
Temperature
-
Relative humidity
-
Air pressure
-
Determination of characteristics
Characterstic curve
Position of the measuring cell
Span
Diaphragm material
Filling oil
Material, lateral flanges
Influence of the installation position basic
version
A position-dependent zero-point shift can be corrected (see also chapter "Adjust parameter").
80
Lower measurement li-
mit
-10 mbar (-1 kPa)
-30 mbar (-3 kPa)
-100 mbar (-10 kPa)
-500 mbar (-50 kPa)
-3 bar (-300 kPa)
-16 bar (-1600 kPa)
-40 bar (-4000 kPa)
11)
Values less than -1 bar cannot be set.
12) Instrument is rotated vertically to the diaphragm axis.
13) For instruments with inert oil, the value doubles.
-120 ... +120 %
-120 ... +120 % 11)
15 : 1 (no limitation)
Upper measuring limit
+10 mbar (+1 kPa)
+30 mbar (+3 kPa)
+100 mbar (+10 kPa)
+500 mbar (+50 kPa)
+3 bar (+300 kPa)
+16 bar (+1600 kPa)
+40 bar (+4000 kPa)
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
860 ... 1060 mbar/86 ... 106 kPa (12.5 ... 15.4 psig)
Limit point adjustment according to IEC 61298-2
Linear
Constant, in the range: horizontally ±1°
Based on the zero point
316L, Alloy C276, gold rhodium plated, Monel
Silicone oil
316L
≤ 4 mbar
12)13)
VEGADIF 65 • Foundation Fieldbus
Smallest adjustable
span
0.25 mbar (25 Pa)
0.3 mbar (30 Pa)
1 mbar (100 Pa)
5 mbar (500 Pa)
30 mbar (3 kPa)
160 mbar (16 kPa)
400 mbar (40 kPa)