Heating Equipment
The main structure of Resistance temperature detection Transmitter includes interface compatibility, measurement circuit, digital/analog conversion, communication interface, shell material, etc. Resistance temperature sensing transmitters usually have interfaces that are compatible with various types of temperature sensors, such as platinum resistance temperature sensors (RTDs), thermocouples, etc. It is equipped with a dedicated measurement circuit inside for reading sensor signals and performing signal processing. These circuits usually include amplifiers, filters, compensation circuits, etc. to ensure the stability and accuracy of the measurement signal. Resistance temperature sensing transmitters are usually equipped with a digital or analog converter to convert the analog signal generated by the sensor into a digital signal for digitization or communication with a digital control system. In order to communicate with external control systems or monitoring systems, resistance temperature sensing transmitters usually have a standard communication interface. The casing is usually made of metal or engineering plastics and has good corrosion resistance and anti-interference ability to protect the internal circuit from the external environment.
Parameter detail
Product Parameter
Product Parameters
| Input | |
| Input signal | Resistance temperature detector (RTD), thermocouple (TC) |
| Cold-junction compensation temperature scope | -20~60℃ |
| Compensation precision | ±1℃ |
| Output | |
| Output signal | 4...20mA(two-wire) |
| Load resistance | RL≤(Ue-12)/0.021 |
| Output current of upper and lower limit overflow alarm | IL=3.8mA、IH=21mA |
| Power supply | |
| Supply voltage | 12...40VDC |
| Other parameters | |
| Temperature drift | ≤0.02%FS/℃ |
| Response time | Reach to 90% of the final value for 1s |
| Used environmental temperature | -40~80℃ |
| Storage temperature | -40~100℃ |
| Installation area | Top cassette installation |
Input type and transmission precision
| Type | Measuring range | Minimum measurement range | Conversion accuracy |
| Pt100 | -200~850℃ | 20℃ | ±0.1% range or ±0.2℃ |
| Cu50 | -50~150℃ | 20℃ | ±0.1% range or ±0.2℃ |
| B | 400~1800℃ | 500℃ | ±0.1% range or ±1.5℃ |
| E | -100~1000℃ | 50℃ | ±0.1% range or ±0.5℃ |
| J | -100~1200℃ | 50℃ | ±0.1% range or ±0.5℃ |
| K | -180~1372℃ | 50℃ | ±0.1% range or ±0.5℃ |
| N | -180~1300℃ | 50℃ | ±0.1% range or ±0.5℃ |
| R | -50~1768℃ | 500℃ | ±0.1% range or ±1.5℃ |
| S | -50~1768℃ | 500℃ | ±0.1% range or ±1.5℃ |
| T | -200~400℃ | 50℃ | ±0.1% range or ±0.5℃ |
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