VEGA VEGABAR 75 4 … 20 mA_HART User Manual

Page 31

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Total deviation (similar to DIN 16086)

T

he total deviation (max. practical deviation) is the sum of basic accuracy and long-term

stability:

F

total

= F

perf

+ F

stab

F

perf

= √((F

T

)

2

+ (F

K

l

)

2

)

W

ith

-

F

total

: T

otal deviation

-

F

perf

: B

asic accuracy

-

F

stab

: L

ong-term drift

-

F

T

: T

emperature coefficient (influ-

ence of medium or ambient tem-
perature)

-

F

K

l

: D

eviation

Ambient conditions

A

mbient, storage and transport temperature

-

C

onnection cable PE

-40 … +60 °C (-40 … +140 °F)

-

C

onnection cable PUR, FEP

-40 … +85 °C (-40 … +185 °F)

Process conditions

T

he specifications to the pressure stage and the product temperature are used as an

overview. The specifications of the type label are applicable.

P

ressure stage, process fitting

-

T

hread 316L

PN

60

-

H

ygienic fittings 316L

PN

6, PN 10, PN 16, PN 25, PN 40

-

F

lange 316L

PN

40

or 150 lbs, 300 lbs

M

edium temperature (temperature: p

abs

>

1

bar (14.5 psi)/p

abs

<

1

bar (14.5 psi)

-

S

tandard

-12 … +150 °C/-12 … +130 °C (+10 … +302 °F/
+

10 … +266 °F)

-

with cooling element

-12 … +180 °C/-12 … +130 °C (+10 … +356 °F/
+

10 … +266 °F)

-

with cooling element and screening
sheet

-12 … +200 °C/-12 … +130 °C (+10 … +392 °F/
+

10 … +266 °F)

V

ibration resistance

mechanical vibrations with 4 g and 5 … 100 Hz

7)

S

hock resistance

A

cceleration 100 g/6 ms (tested according to

EN

60068-2-27)

7)

T

ested according to the regulations of German Lloyd, GL directive 2.

S

upplement

VEGABAR

75 - 4 … 20

mA/HART

31

28433

-

EN

-070718

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