VEGA D91 Profibus PA - Manual (Page 9)

Pressure transmitter D91 (Profibus PA) 9
1) In compensated temperature range of 0°C … +80°C, reference temperature 20°C.
2) Acc. to IEC 770, item 6.1.2 relating to the nominal range.
Product description
Influence of the ambient temperature (without considering the isolating systems)
Average temperature coefficient
of the zero signal
1)
- Turn Down 1 : 1 < 0.15 %/10 K with accuracy class 0.25
< 0.05 %/10 K with accuracy class 0.1
- Turn Down up to 1 : 5 typ. < 0.225 %/10 K with accuracy class 0.25
typ. < 0.075 %/10 K with accuracy class 0.1
- Turn Down up to 1 : 10 typ. < 0.3 %/10 K with accuracy class 0.25
typ. < 0.1 %/10 K with accuracy class 0.1
Long-term stability
Long-term drift of the zero signal 2) < 0.1 % per 2 years
Other actuating variables
Calibration position upright, diaphragm points downwards
Vibration resistance mechanical vibrations with 4 g and
5 … 100 Hz, tested acc. to the regulations of
German Lloyd GL-characteristics 2
Operating conditions
Ambient conditions
Ambient temperature -40°C … +85°C
- with indicating module -20°C … +70°C
Storage and transport temperature -40°C … +85°C
Product temperature, depending on
isolating liquid
Temperature
p
abs
>
1 bar / p
abs
< 1 bar
- silicone oil -40°C … +150°C / -40°C … +130°C
- silicone oil and cooling element -40°C … +200°C / -40°C … +130°C
- silicone oil and capillaries 1 m -40°C … +200°C / -40°C … +130°C
- vegetable oil -10°C … +130°C / -10°C … +130°C
- vegetable oil and cooling element -10°C … +200°C / -10°C … +130°C
- high temperature oil a. cooling element -10°C … +400°C / -10°C … +200°C
- high temperature oil and capillaries 1 m -10°C … +400°C / -10°C … +200°C