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ST500 Temperature transmitter

ST500 Head Mounted Smart Temperature transmitter can be used with multiple sensor type [Resistance Thermometer(RTD),Thermocouple (TC)] inputs, is simple to install with improved measurement accuracy over wire-direct solutions.


Input signal Resistance temperature detector (RTD),

Thermocouple (TC), and linear resistance.

Cold-junction compensation temperature scope -20~60℃
Compensation precision ±1℃
Output signal 4-20mA
Load resistance RL≤(Ue-12)/0.021
Output current of upper and lower limit overflow alarm IH=21mA, IL=3.8mA
Output current of input disconnection alarm 21mA
Power supply
Supply voltage DC12-40V
Other parameters
Transmission precision (20℃) 0.1%FS
Temperature drift 0.01%FS/℃
Response time Reach to 90% of the final value for 1s
Used environmental temperature -40~80℃
Storage temperature -40~100℃
Condensation Allowable
Protection level IP00; IP66 (installation)
Electromagnetic compatibility Conform to GB/T18268 industrial equipment

application requirements(IEC 61326-1)

Input Type Table

Model Type Measurement scope Minimum measurement scope
Resistance temperature

detector (RTD)

Pt100 -200~850℃ 10℃
Cu50 -50~150℃ 10℃
Thermocouple (TC) B 400~1820℃ 500℃
E -100~1000℃ 50℃
J -100~1200℃ 50℃
K -180~1372℃ 50℃
N -180~1300℃ 50℃
R -50~1768℃ 500℃
S -50~1768℃ 500℃
T -200~400℃ 50℃
Wre3-25 0~2315℃ 500℃
Wre5-26 0~2310℃ 500℃

Product size

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Product wiring

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Note: no 24V power supply is required when using the V8 serial port programming line


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ST500 temperature transmitter supports input signal adjustment. If you need to adjust the input signal, please let us know and we will give you the software.

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With the software, you can adjust the temperature type, such as PT100, Cu50, R, T, K etc. input temperature range.


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