SITRANS TH100

Input

Resistance thermometer

Measured variable

Temperature

Sensor type

PT100 to IEC 60751

Characteristic curve

Temperature-linear

Type of connection

2-, 3- or 4-wire circuit

Resolution

14 bit

Measuring accuracy

• Span <250 °C (450 °F)

< 0.25 °C (0.45 °F)

• Span >250 °C (450 °F)

< 0.1 % of span

Repeatability

< 0.1 °C (0.18 °F)

Measuring current

approx. 0.4 mA

Measuring cycle

< 0.7 s

Measuring range

-200 ... +850 °C (-328 ... +1562 °F)

Measuring span

25 ... 1050 °C (77 ... 1922 °F)

Unit

°C or °F

Offset

programmable:
-100 ... +100 °C (-180 ... +180 °F)

Line resistance

Max. 20 Ω (total from feeder and return conductor)

Noise rejection

50 and 60 Hz

Output

Output signal

4 ... 20 mA, two-wire

Auxiliary power supply

8.5 ... 36 V DC (30 V for Ex)

Max. load

(U_aux – 8.5 V)/0.023 A

Overrange

3.6 ... 23 mA, infinitely adjustable (default value: 3.84 ... 20.5 mA)

Error signal (in the event of sensor breakage)

3.6 ... 23 mA, infinitely adjustable (default value: 3.6 mA or 22.8 mA)

Damping time

0 ... 30 s

Protection

Against reversed polarity

Resolution

12 bit

Accuracy at 23 °C (73.4 °F)

< 0.1 % of span

Temperature effect

< 0.1 %/10 °C (0.1 %/18 °F)

Effect of auxiliary power

< 0.01 % of span/V

Effect of load impedance

< 0.025 % of max. span/100 Ω

Long-term drift

• in the first month

< 0.025 % of max. span

• after one year

< 0.035 % of max. span

• after 5 years

< 0.05 % of max. span

Ambient conditions

Ambient temperature range

-40 ... +85 °C (-40 ... +185 °F)

Storage temperature range

-40 ... +85 °C (-40 ... +185 °F)

Relative humidity

98 %, with condensation

Electromagnetic compatibility

According to EN 61326 and NAMUR NE21

Construction

Weight

50 g

Dimensions

See dimensional drawing

Material

Molded plastic

Cross-section of cables

Max. 2.5 mm² (AWG 13)

Degree of protection to IEC 60529

• Enclosure

IP40

• Terminals

IP00

Certificates and approvals

Explosion protection ATEX

EC type test certificate

PTB 05 ATEX 2049X

• "Intrinsic safety" type of protection

II 1G EEx ia IIC T6/T4
II 2(1)G EEx ib/ia IIC T6/T4

• "Operating equipment that is non-ignitable and has limited energy" type of protection

II 3G EEx nAL IIC T6/T4

Explosion protection: FM for USA

• FM approval

PID 3024169

• Degree of protection

IS/Cl I, II, III/Div 1/GP ABCDEFG T4, T5, T6
IS/Cl I/ZN 0, 1/AEx ia IIC T4, T5, T6
Nl/Cl I, II, III/Div 2/GP ABCDFG T4, T5, T6
Cl I/ZN 2/GP IIC T4, T5, T6

Explosion protection to FM for Canada (cFM_US)

• FM approval

PID 3024169

• Degree of protection

IS/Cl I, II, III/Div 1/GP ABCDEFG T4, T5, T6
IS/Cl I/ZN 0, 1/AEx ia IIC T4, T5, T6
Nl/Cl I, II, III/Div 2/GP ABCDFG T4, T5, T6
Cl I/ZN 2/GP IIC T4, T5, T6

Software requirements for SIPROM T

PC operating system

Windows ME, 2000 and XP; also Windows 95, 98 and 98SE, but only in connection with RS 232 modem.

Factory setting:

• Pt100 (IEC 751) with 3-wire circuit
• Measuring range: 0 ... 100 °C (32 ... 212 °F)
• Error signal in the event of sensor breakage: 22.8 mA
• Sensor offset: 0 °C (0 °F)

Damping 0.0 s