VEGA VEGABAR 20 - Manual (Page 8)

8 VEGABAR 20
1) Relating to the nominal measuring range.
2) In the compensated temperature range of 0°C … +80°C, reference temperature 20°C.
3) Acc. to IEC 770, point 6.1.2 relating to the nominal measuring range.
Product description
Measuring accuracy (similar to DIN 16 086, DIN V 19 259 - 1 and IEC 770)
Deviation
Reference conditions (acc. to IEC 770)
- temperature
18°C … 30°C rel. humidity
- air pressure 860 kPa … 1060 kPa
Determination of characteristics limit point adjustment acc. to DIN 16 086
Characteristics linear
Deviation in characteristics 1)
- accuracy class 0,25 < 0,25 %
- accuracy class 0,1 < 0,1 %
Hysteresis 1) < 0,02 %
Repeatability 1) < 0,02 %
Influence of the ambient temperature
Average temperature coefficient
of the zero signal
1) 2)
- accuracy class 0,25 < 0,15 %/10 K
- accuracy class 0,1 < 0,05 %/10 K
Long-term stability
Long-term drift of the zero signal 1) 3) < 0,1 %
Other actuating variables
Calibration position standing, diaphragm points downwards
Influence of the installation position < 0,2 mbar
Vibration resistance mechanical vibrations with 4 g and
5 … 100 Hz, tested acc. to the regulations of
German Lloyd GL-characteristics 2
Operating conditions
Product
Aggregate conditions gas, steam, liquid up to high viscosity
also abrasive and aggressive with suitable
material selection of wetted parts
acc. to order code
Ambient conditions
Ambient temperature -40°C … +85°C
- indicating module -20°C … +70°C
Storage and transport temperature -40°C … +85°C
Product temperature -40°C … +100°C