PCT381 Isolated Temperature Transmitter
Product overview
PCT381 isolated intelligent temperature transmitter (round card) is used for the signal input of resistance temperature detector (RTD) and thermocouple (TC) and 4 - 20mA analog output of the two-wire system.It is installed inside the sensor(Form B).
Features
Can convert all inputs to 4-20mA
Input: thermocouple, RTD, resistance
Configuration directly via PDA or PC
Build-in cold junction compensation
Available with screw-in temperature probe
Applications
Equipment support
Automatic Temperature measurement and control systems such as pumps, compressors, natural gas pipelines, etc
Temperature measurement of water or oil in petroleum, chemical, electric power, textile, and environmental protection fields, etc.
| Technical Parameters |
| Input signal |
Resistance temperature detector (RTD), Thermocouple (TC) |
| Cold-junction compensation temperature scope |
-20ºC~60ºC |
| Compensation precision |
±1ºC |
| Output signal |
4-20mA |
| Load resistance |
RL≤(Ue-12)/0.021 |
| Output current of upper & lower limit overflow alarm |
IH=21mA, IL=3.8mA |
| Supply voltage |
DC12-40V |
| Temperature drift |
0.0075%FS/ºC |
| Response time |
1s (up to 90% of the final value ) |
| Used environmental temperature |
-40~80ºC |
| Storage temperature |
-40~100ºC |
| Insulation strength (between input and output) |
1500Vrms (1 min, without spark) |
| Insulation resistance (between input and output) |
≥100MΩ(under the 500 VDC) |
| Vibration resistance |
4g/2 -150Hz |
| Installation angle |
Unlimited |
| Installation area |
B-type top cassette installation |
| Electromagnetic compatibility |
Conform to GB/T18268 industrial equipment application requirements (IEC 61326-1) |
| Input Type and Transmission Accuracy |
| Model |
Type |
Measurement scope |
Minimum measurement scope |
Conversion accuracy |
Resistance
Temperature detector (RTD) |
Pt100 |
-200~850ºC |
20ºC |
±0.1%range Or±0.2ºC |
| Cu50 |
-50~150ºC |
20ºC |
±0.1%range Or±0.2ºC |
| Thermocouple (TC) |
B |
100~1820ºC |
500ºC |
±0.1%range Or±1.5ºC |
| E |
-100~1000ºC |
50ºC |
±0.1%range Or±0.5ºC |
| J |
-100~1200ºC |
50ºC |
±0.1%range Or±0.5ºC |
| K |
-180~1372ºC |
50ºC |
±0.1%range Or±0.5ºC |
| N |
-180~1300ºC |
50ºC |
±0.1%range Or±0.5ºC |
| R |
-50~1768ºC |
500ºC |
±0.1%range Or±1.5ºC |
| S |
-50~1768ºC |
500ºC |
±0.1%range Or±1.5ºC |
| T |
-200~400ºC |
50ºC |
±0.1%range Or±0.5ºC |
About us:
Certifications:
FAQ:
1. Q: Are you manufacturer or trading company?
A: We are manufacturer which focuses on pressure sensor for 33 years.
2. Q: What international certificates do you have?
A: ISO9001, CE, RoHS Certificated.
3. Q: What is your production capacity?
A: We produced 1500000 pieces pressure sensor in year 2017.
4. Q: What is the lead time of your product?
A: Stocks are available for some products. The typical lead time is 8~14 working days for product without customization.
Note: lead time may vary base on different products. Please contact us for detailed lead time.
5. Q: What is the warranty of your products?
A: Our warranty time is 18 months after shipment.
6. Q: Do you provide customized products?
A: Yes, we can laser mark your logo, model and product information according to your requirement. We provide OEM and ODM service.
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