Vega VEGAWELL 52 Operating Instructions Manual page 35

Total deviation (acc. to DIN 16086)
The total deviation F
t
term stability:
F = F + F
t p s
F = √((F ) + (F ) )
2 2
perf T Kl
With
Ʋ F : F , total deviation
t total
Ʋ F : F , basic accuracy
p perf
Ʋ F : F , long-term drift
s stab
Ʋ F : Temperature coefficient (influence
T
of medium or ambient temperature)
Ʋ F : Deviation
Kl
Ambient conditions
Ambient temperature
Ʋ Suspension cable PE
Ʋ Suspension cable PUR, FEP
Storage and transport temperature
Process conditions
Max. process pressure, transmitter
Ʋ Measuring range 0.1 bar (1.45 psig)
Ʋ Measuring range 0.2 bar (2.9 psig)
Ʋ Measuring ranges from 0.4 bar
(5.8 psig)
Pressure stage, process fitting
Ʋ Screw connection for suspension
cable
Ʋ Thread on the housing
Product temperature, depending on the version
Suspension cable
PE
PUR
FEP
Vibration resistance
Limited by the overload capability max. pressure of the measuring cell.
7)
Limited by the overload capability max. pressure of the measuring cell.
8)
Limitation by cable entry
9)
Tested according to the guidelines of German Lloyd, GL directive 2.
10)
VEGAWELL 52 • 4 ... 20 mA/HART Pt 100
, also called practical deviation, is the sum of the basic accuracy F
Transmitter
All versions
All versions
PE coating
All versions
PE coating
-40 ... +60 °C (-40 ... +140 °F)
-40 ... +80 °C (-40 ... +176 °F)
-40 ... +80 °C (-40 ... +176 °F)
15 bar (218 psig)
1)
20 bar (290 psig)
1)
30 bar (435 psig)
1)
316L: PN 3, PVDF: unpressurized
PN 3
Product temperature
-20 ... +60 °C (-4 ... +140 °F)
-20 ... +80 °C (-4 ... +176 °F)
-20 ... +60 °C (-4 ... +140 °F)
-20 ... +80 °C (-4 ... +176 °F)
-20 ... +60 °C (-4 ... +140 °F)
mechanical vibrations with 4 g and 5 ... 100 Hz
10 Supplement
and long-
p
1)
35