Siemens SITRANS TK Bedienungsanleitung Seite 39

Instruction Manual
Failure signal (e.g. in the
event of sensor breakage)
Load of SITRANS TK
Load of SITRANS TK-H
Sampling cycle
Attenuation
Electrical isolation
Auxiliary power
Test voltage
Insulation
Auxiliary power in the case of
SITRANS TK
Auxiliary power in the case of
SITRANS TK-H
Ambient conditions
Ambient temperature range
Storage temperature range
Relative humidity
Measuring accuracy
Reference conditions
Auxiliary power
Load
Ambient temperature
Warm up time
Error of measurement
Digital measuring error
Analog output error
(D/A conversion)
Error caused by internal
reference junction
Temperature drift
Influence of the supply
voltage on the zero point
SITRANS TK/TK-H
C79000-B7174-C12-07
7NG3120, 7NG3121, 7NG3122
3.6 to 23 mA
R -6.5 V)/23 V [kΩ]
≤(U
L H
R -12 V)/23 V [kΩ]
≤(U
L H
0.5 s nominal
1.0 s in the case of Ohm Hi and Volt Hi
Software filter of the 1st order
0 to 30 s in the case of SITRANS TK
0 to 15 s in the case of SITRANS TK-H
The input and output are electrically isolated
Maximum DC 35 V
U = 3.75 kV , 50 Hz, 1 min
rms rms
500 V
ac
DC 6.5 to 35 V (28 V at EEx ia version)
DC 12 to 35 V (28 V at EEx ia version)
--40 to +85 °C (--40 to +185 °F)
--40 to +85 °C (--40 to +185 °F)
≤98 %, with condensation
24 V 1 %
500 Ω
23 °C (73.4 °F)
>5 min
See table, page 40
<0.1 % of the measuring span
<0.5 K (0.9 °F)
0.01 %/°C; typ. 0.003 %/°C
(0.0055 %/°F: typ. 0.00166 %/°F)
<0.005 % of the measuring span/V
39