VEGA VEGABAR 83 Modbus and Levelmaster protocol - Operating Instructions - Manual (Page 62)

62
10 Supplement
VEGABAR 83 • Modbus and Levelmaster protocol
46295-EN-131107
Turn down (TD) is the relation nominal measuring range/adjusted span.
The thermal change of zero signal and output span corresponds to the value F
T
in chapter "Calcu-
lation of the total deviation (according to DIN 16086)".
Piezoresistive/strain gauge measuring cell
Turn down In the compensated tem-
perature range 10 … +70 °C
(+50 … +158 °F)
Outside the compensated tem-
perature range
TD 1 : 1 < 0.05 %/10 K typ. < 0.05 %/10 K
TD 1 : 1 up to 5 : 1 < 0.1 %/10 K -
TD up to 10 : 1 < 0.15 %/10 K -
Ceramic/Metal measuring cell - Standard
Medium or ambient tem-
perature T
Accuracy classes 0.05 %
and 0.1 %
Accuracy class 0.2 % Accuracy class 0.2 %
with measuring range
0.1 bar
abs
-40 … 0 °C (-40 … +32 °F) < {0.15 % + 0.015 %/K x (-
T)} x {0.5+0.5 x TD}
< {0.1 % + 0.03 %/K x (-T)}
x {0.5+0.5 x TD}
< {0.30 % + 0.03 %/K x (-
T)} x {0.5+0.5 x TD}
0 … 40 °C
(+32 … +104 °F)
< {0.0075 %/K x (T -
20 °C)} x {0.5+0.5 x TD}
< {0.005 %/K x (T - 20 °C)}
x {0.5+0.5 x TD}
< {0.015 %/K x (T - 20 °C)}
x {0.5+0.5 x TD}
40 … 100 °C
(+104 … +212 °F)
< {0.15 % } x {0.5+0.5 x
TD}
< {0.005 %/K x (T - 20 °C)}
x {0.5+0.5 x TD}
< {0.3 % } x {0.5+0.5 x TD}
100 … 120 °C
(+212 … +248 °F)
< {0.15 % + 0.005 %/K x (T
- 100 °C)} x {0.5+0.5 x TD}
< {0.40 % + 0.01 %/K x (T -
100 °C)} x {0.5+0.5 x TD}
< {0.30 % + 0.01 %/K x (T -
100 °C)} x {0.5+0.5 x TD}
Ceramic/Metal measuring cell - climate-compensated
Compensated temperature range
0 … +100 °C (+32 … +212 °F)
Non-compensated temperature range -40 … 0 °C (-40 … +32 °F), -100 … 130 °C
(212 … +276 °F)
Nominal measuring range in bar/
kPa
Nominal measuring
range in psig
In the compensated
temperature range
In the non-compen-
sated temperature
range
0 … 10 bar/0 … 1000 kPa 0 … 150 psig
< {0.05 % + 0.1 x
(0.5+0.5 x TD)}
< {0.1 % + 0.15 x
(0.5+0.5 x TD)}
0 … 25 bar/0 … 2500 kPa 0 … 350 psig
-1 … 0 bar/-100 … 0 kPa -15 … 0 psig
-1 … 1.5 bar/-100 … 150 kPa -15 … 25 psig
-1 … 10 bar/-100 … 1000 kPa -15 … 150 psig
-1 … 25 bar/-100 … 2500 kPa -15 … 350 psig
0 … 1 bar/0 … 100 kPa 0 … 15 psig
< {0.1 % + 0.2 x
(0.5+0.5 x TD)}
< {0.1 % + 0.3 x
(0.5+0.5 x TD)}
0 … 2.5 bar/0 … 250 kPa 0 … 35 psig
-0.5 … 0.5 bar/-50 … 50 kPa -7 … 7 psig
-0.2 … 0.2 bar/-20 … 20 kPa -3 … 3 psig
< {0.15 % + 0.4 x
(0.5+0.5 x TD)}
< {0.15 % + 0.6 x
(0.5+0.5 x TD)}
0 … 0.4 bar/0 … 40 kPa 0 … 6 psig