VEGA VEGABAR 64 4 … 20 mA_HART User Manual
Page 58
T
hermal change zero signal and output span with absolute pressure measuring range 0.1 bar,
reference temperature 20 °C (68 °F):
-
I
n the compensated temperature range
0 … +100 °C (+32 … +212 °F)
< (0.1 % + 0.1 %
x TD)
-
O
utside the compensated temperature
range
< (0.15 % + 0.15 %
x TD)
A
pplies also to instruments with analogue 4 … 20 mA current output and refers to the set span.
T
hermal change, current output
<
0.15 %
at -40 … +80 °C (-40 … +176 °F)
Long-term stability (similar to DIN 16086, DINV 19259-1 and IEC 60770-1)
A
pplies to digital interfaces (HART, Profibus PA, Foundation Fieldbus) as well as to analogue
current output 4 … 20 mA. Specifications refer to the set span. Turn down (TD) = nominal
measuring range/set span.
L
ong-term drift of the zero signal
< (0.1 %
x TD)/year
Ambient conditions
A
mbient, storage and transport temperature
-40 … +80 °C (-40 … +176 °F)
Process conditions
T
he specifications to the pressure stage and the product temperature are used as an overview.
T
he specifications of the type label are applicable.
P
ressure stage, process fitting
-
T
hread 316L
PN
60
-
T
hread Aluminium
PN
25
-
T
hread PVDF
PN
10
-
H
ygienic fittings 316L
PN
6, PN 10, PN 25, PN 40
-
F
lange 316L
PN
16, PN 40,150
lbs, 300 lbs, 600 lbs
-
F
lange with extension 316L
without PN specification, PN 16, PN 40 or 150 lbs,
300
lbs, 600 lbs
-
F
lange PVDF
PN
16
P
roduct temperature standard version, depending on the meas. cell seal
10)
-
FKM (VP2/A)
-20 … +120 °C (-4 … +248 °F)
-
EPDM (A+P 75.5/KW75F)
-40 … +120 °C (-40 … +248 °F), 1
h: 140 °C/284 °F
cleaning temperature
-
FFKM (K
alrez 6375)
-10 … +120 °C (+14 … +248 °F)
-
FFKM (C
hemraz 535)
-30 … +120 °C (-22 … +248 °F)
P
roduct temperature version with extended temperature range, depending on the meas. cell seal
as well as order specification
-
FKM (VP2/A)
-20 … +150 °C (-4 … +302 °F)
-
EPDM (A+P 75.5/KW75F)
-40 … +150 °C (-40 … +302 °F)
10)
W
ith process fitting PVDF, max. 100 °C (212 °F).
58
VEGABAR
64 • 4 … 20
mA/HART
10 S
upplement
27525
-EN
-081209