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Technical data
11.1
Technical data
Input point
Resistance thermometer input point
Measured variable
Sensor type
Sensor factor
Units of measurement
Interface
Connection
Sensor current
Measuring cycle
Break monitoring
Short circuit monitoring
Measuring range
Min. measuring span
Characteristic curve
1)
SITRANS TH200/TH300
Operating Instructions, 06/2010, A5E00393069-03
According to IEC 60751
According to JIS C 1604; a=0.00392
K
-1
According to IEC 60751
Special type
Standard connection
Averaging
Differentiation
Two-wire input
Three-wire input
Four-wire input
Prerequisites: same resistance for all three lines.
Temperature
Pt25 ... Pt1000
Pt25 ... Pt1000
Ni25 ... Ni1000
Via special characteristic curve (max. 30 points)
0.25 ... 10 (adaptation of the basic type, e.g. Pt100, to
version Pt25 ... Pt1000)
°C or °F
1 resistance thermometer (RTD) in two-wire, three-wire
or four-wire input
2 equal resistance thermometers in two-wire input for
averaging the temperature
2 equal resistance thermometers (RTD) in two-wire input
(RTD 1 - RTD 2 or RTD 2 - RTD 1)
Line resistance can be assigned in the parameters
≤100 Ω (loop resistance)
No trim necessary
1)
No trim necessary
≤ 0.45 mA
≤ 250 ms for 1 sensor with break monitoring
Always active (cannot be switched off)
Can be switched on/off (default value = ON)
Can be set in the parameters (see table in chapter Digital
measuring error (Page 78))
10 °C (18 °F)
Linear to temperature or special characteristic curve
11
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