Specifications

2/9
Siemens FI 01 · 2015 US Edition
Temperature Measurement
Transmitters for mounting in sensor head
SITRANS TH200 two-wire system, universal
2
■ Technical specifications
Input
Resistance thermometer
Measured variable Temperature
Sensor type
• to IEC 60751 Pt25 … Pt1000
• To JIS C 1604; a = 0.00392 K
-1
Pt25 … Pt1000
• to IEC 60751 Ni25 … Ni1000
• Special type over special characteristic (max.
30 points)
Sensor factor 0.25 ... 10 (adaptation of the
basic type, e.g. Pt100 to version
Pt25 ... 1000)
Units °C or °F
Connection
• Standard connection 1 resistance thermometer (RTD)
in 2-wire, 3-wire or 4-wire system
• Generation of average value
2 identical resistance thermome-
ters in 2-wire system for genera-
tion of average temperature
• Generation of difference 2 identical resistance thermome-
ters (RTD) in 2-wire system
(RTD 1 – RTD 2 or RTD 2 – RTD 1)
Interface
• Two-wire system Parameterizable line resistance
 100  (loop resistance)
• Three-wire system No balancing required
• Four-wire system No balancing required
Sensor current  0.45 mA
Response time  250 ms for 1 sensor with open-
circuit monitoring
Open-circuit monitoring
Always active (cannot be dis-
abled)
Short-circuit monitoring can be switched on/off (default
value: ON)
Measuring range parameterizable (see table "Digi-
tal measuring errors")
Min. measured span
10 °C (18 °F)
Characteristic curve
Temperature-linear or special
characteristic
Resistance-based sensors
Measured variable Actual resistance
Sensor type
Resistance-based, potentiome-
ters
Units 
Connection
• Normal connection 1 resistance-based sensor (R) in
2-wire, 3-wire or 4-wire system
• Generation of average value 2 resistance-based sensors in
2-wire system for generation of
average value
• Generation of difference 2 resistance thermometers in
2-wire system
(R1 – R2 or R2 – R1)
Interface
• Two-wire system Parameterizable line resistance
 100  (loop resistance)
• Three-wire system No balancing required
• Four-wire system No balancing required
Sensor current
 0.45 mA
Response time  250 ms for 1 sensor with open-
circuit monitoring
Open-circuit monitoring Always active (cannot be dis-
abled)
Short-circuit monitoring
can be switched on/off (default
value: OFF)
Measuring range
parameterizable max. 0 ... 2200 
(see table "Digital measuring
errors")
Min. measured span 5  ... 25  (see Table "Digital
measuring errors")
Characteristic curve Resistance-linear or special char-
acteristic
Thermocouples
Measured variable Temperature
Sensor type (thermocouples)
•Type B Pt30Rh-Pt6Rh to DIN IEC 584
•Type C W5 %-Re acc. to ASTM 988
•Type D W3 %-Re acc. to ASTM 988
•Type E
NiCr-CuNi to DIN IEC 584
•Type J
Fe-CuNi to DIN IEC 584
•Type K NiCr-Ni to DIN IEC 584
•Type L Fe-CuNi to DIN 43710
•Type N NiCrSi-NiSi to DIN IEC 584
•Type R Pt13Rh-Pt to DIN IEC 584
•Type S Pt10Rh-Pt to DIN IEC 584
•Type T Cu-CuNi to DIN IEC 584
•Type U Cu-CuNi to DIN 43710
Units °C or °F
Connection
• Standard connection 1 thermocouple (TC)
• Generation of average value
2 thermocouples (TC)
• Generation of difference 2 thermocouples (TC) (TC1 – TC2
or TC2 – TC1)
Response time  250 ms for 1 sensor with open-
circuit monitoring
Open-circuit monitoring Can be switched off
Cold junction compensation
• Internal With integrated Pt100 resistance
thermometer
• External
With external Pt100 IEC 60571
(2-wire or 3-wire connection)
• External fixed Cold junction temperature can be
set as fixed value
Measuring range Parameterizable (see table "Digi-
tal measuring errors")
Min. measured span Min. 40 ... 100 °C (72 ... 180 °F)
(see table "Digital measuring
errors")
Characteristic curve Temperature-linear or special
characteristic
mV sensor
Measured variable DC voltage
Sensor type
DC voltage source (DC voltage
source possible over an exter-
nally connected resistor)
Units
mV
Response time
 250 ms for 1 sensor with open-
circuit monitoring
Open-circuit monitoring Can be switched off
Measuring range -10 ... +70 mV-100 … +1100 mV
© Siemens AG 2015