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 | |
| Input signal | Resistance temperature detector (RTD),
Thermocouple (TC), and linear resistance. |
| Cold-junction compensation temperature scope | -20~60℃ |
| Compensation precision | ±1℃ |
| Output | |
| 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℃ |
Note: no 24V power supply is required when using the V8 serial port programming line
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.
With the software, you can adjust the temperature type, such as PT100, Cu50, R, T, K etc. input temperature range.
