Hefei WNK Smart Technology Co.,Ltd
21 Year Professional Manufacturer Pressure, Level & Temperature Sensors and Transmitters
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4-20ma Smart Pt100 Pt1000 Head Mounted Temperature Transmitter With Rtd, Thermocouple Input
Quick Information
WNK65 and WNK621 are recommended in application requiring amplification of RTD or T/C signals to carry to a long distance or guard against heavy field electrical noise. The transmitter converts various input to an analog signal for direct interface with Indicators, recorders, controllers, PLC, DCS, systems can be used for a wide range of applications in process control, automatic machinery and hydraulic or pneumatic system.
Features
Specifications
| Measuring media | liquid, gas and steam | ||
| Measuring range | -270~800 ºC (PT100 thermal resistor) | ||
| 0~1300ºC, (Thermocouple K) | |||
| Input | Thermocouple, RTD, MV, Resistive sensor | ||
| Power supply range | 9~45V (9~24V, Ex) | ||
| Output signal | 4~20mA/Hart/Profibus PA | ||
| Digital Accuracy | ±0.01ºC, PT100 input | ||
| Internal cold end compensation error | <0.25ºC±0.1%/10ºC | ||
| Temperature drift | ±0.05%/10ºCfull scale range | ||
| 0.1% between-10°C to 60°C | |||
| Effect of power supply on range | <0.005%/V full-scale range | ||
| Long term drift | <0.1/year | ||
| Ambient temperature | Ambient temperature | Storage temperature | |
| T4 | Safe operation(T6) | ||
| -40...85ºC | -40...60ºC | -40...95ºC | |
| Protection Class | IP66/67 | ||
| Relative humidity | ≤98%, condensation allowed | ||
| Electromagnetic compatibility | Accordance with EN 61 326 | ||
