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WIKA safety manual temperature transmitter T32.xS
11583631.02 11/2010 GB/D/F/E
2.6 Accuracy of the safe measuring function
The following information on the Total Safety Accuracy contains the following components:
■
Basic accuracy (measuring deviation from input and output, and the linearity error
of the transmitter)
■
In addition, for thermocouples, the internal cold-junction compensation (CJC),
except for type B thermocouples
■
Inuence of the ambient temperature in the range -50 ... +85 °C
The dened value for the Total Safety Accuracy for this instrument depends on the
chosen sensor type, and the congured measuring span (see following table).
Up to the minimum spans given in the table, the Total Safety Accuracy is 2 % of the
measuring range with respect to the current output signal of 16 mA.
Otherwise, the absolute values given directly in the table are valid.
CAUTION!
The measuring span is the dierence between the full scale value and the
initial value of a measuring range.
Sensor
type
Permissible
sensor range
for the accuracy
specications
Min. span for
2 % total safety
accuracy
Absolute total
safety accuracy for
small measuring
spans
Pt100 -200 ... +850 °C 84 K
2 K
JPt100 -200 ... +500 °C 50 K
Ni100 -60 ... +250 °C 21 K
Pt1000
-200 ... +850 °C
69 K 2 K
Pt500 70 K 2 K
Pt25 134 K 3 K
Pt10 241 K 5 K
TC type T -150 ... +400 °C 134 K
3 K
TC typeL -150 ... +900 °C 138 K
TC type U -150 ... +600 °C 136 K
TC type E -150 ... +1000 °C 164 K
4 K
TC type J -150 ... +1200 °C 176 K
TC type K -140 ... +1200 °C 197 K
TC type N -150 ... +1300 °C 154 K
TC type R +50 … +1600 °C 255 K
6 K
TC type S +50 … +1600 °C 273 K
TC type B +500 …+1820 °C 283 K
2. Safety
- Safety manual 1
- Sicherheitshandbuch 1
- Manuel de sécurité 1
- Manual de seguridad 1
- Contents 3
- 1. General information 4
- 1. General information 4
- 2. Safety 6
- 2. Safety 10
- SIL Declaration of Conformity 16
- 11583631.02 11/2010 GB/D/F/E 19
- 1. Allgemeines 20
- 1. Allgemeines 20
- 2. Sicherheit 22
- 2. Sicherheit 22
- Sommaire 33
- 1. Généralités 34
- 1. Généralités 34
- 2. Sécurité 36
- 2. Sécurité 36
- Contenido 47
- 1. Información general 48
- 1. Información general 48
- 2. Seguridad 50
- 2. Seguridad 50
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