Vega D85 Hydrostatic pressure transmitter Bedienungsanleitung PDF herunterladen (Seite 12)

12 Pressure transmitter D85

Protective measures

Protection IP 66, IP 67, IP 68

VEGABOX 01 IP 66 and IP 67

Protection class III

Overvoltage category III

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

Deviation

Reference conditions (acc. to IEC 770)

- temperature 15°C … 30°C

- humidity 45 % … 75 %

- air pressure 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 < 0.05 %

Repeatability < 0.05 %

Influence of the ambient temperature

Average temperature coefficient

of the zero signal

2) 3)

- 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 stability of the zero signal

< 0.25 % per 2 years

Other actuating variables

Calibration position upright, diaphragm points downwards

Influence of the installation position < 5 mbar

Vibration resistance mechanical vibrations with 4 g and

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

German Lloyd GL-characteristics 2

Product description

Maintaining the housing protection IP 66 or IP 67 requires the use of a seal that correctly fits the cable in

the cable entry. If the supplied seal does not fit, a suitable seal must be provided by the customer.

Relating to the nominal range.

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

Acc. to IEC 770, item 6.3.2 relating to the nominal range.

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