Vega D96_D97 Profibus PA Bedienungsanleitung PDF herunterladen (Seite 8)

8 Pressure transmitter D96/D97 (Profibus PA)

Relating to the nominal range.

In compensated temperature range of 0°C … +80°C, reference temperature 20°C.

Acc. to IEC 770, item 6.1.2 relating to the nominal range.

Product description

Accuracy (similar to DIN 16 086, DIN V 19 259 - 1 and IEC 770)

Deviation

Reference conditions (acc. to IEC 770)

- temperature 15°C … 35°C

- rel. humidity 45 % … 75 %

- air pressure 860 mbar … 1060 mbar/86 kPa … 106 kPa

Determination of characteristics limit point adjustment acc. to DIN 16 086

Characteristics linear

Deviation in characteristics

- Turn Down 1 : 1 < 0.25 % with accuracy class 0.25

< 0.1 % with accuracy class 0.1

- Turn Down up to 1 : 5 typ. < 0.3 % with accuracy class 0.25

typ. < 0.1 % with accuracy class 0.1

- Turn Down up to 1 : 10 typ. < 0.4 % with accuracy class 0.25

typ. < 0.2 % with accuracy class 0.1

Hysteresis

and repeatability

- D96 (ceramic measuring cell) < 0.02 %

- D97 (metal measuring cell) < 0.05 %

Influence of the ambient temperature

Average temperature coefficient

of the zero signal

1) 2)

- 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

- D96 (ceramic measuring cell) < 0.1 % per 2 years

- D97 (metal measuring cell) < 0.1 % per 2 years

Other actuating variables

Calibration position upright, diaphragm points downwards

Influence of the installation position

- D96 (ceramic measuring cell) < 0.2 mbar

- D97 (metallic measuring cell) < 5.0 mbar

Vibration resistance mechanical vibrations with 4 g and

5 … 100 Hz, tested acc. to the regulations of

German Lloyd GL-characteristics 2

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 35 36

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