• 智能差压变送器 (2).jpg
  • 智能差压变送器.jpg

Single flange type differential pressure transmitter

Our company independently designed, developed and produced WLP-0601DPH series of intelligent differential pressure transmitters. The central sensing unit adopts the world's leading high-precision differential pressure sensor technology and packaging technology. The differential pressure sensor is located at the top of the metal body, away from the medium contact surface, realizing mechanical isolation and thermal isolation. The glass sintered integrated sensor lead realizes high-strength electrical insulation with the metal substrate, improving the flexibility of electronic circuits and the ability of transient voltage protection. Platinum level accuracy of ± 0.05%, one-way overpressure up to 25MPa. Excellent static pressure performance, the best static pressure error can be controlled within ± 0.05%/10MPa, the temperature change is very small, the best can be controlled within ± 0.04%/10K.

Key words:

Single flange type differential pressure transmitter

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Product Details

Our company independently designed, developed and produced WLP-0601DPH series of intelligent differential pressure transmitters. The central sensing unit adopts the world's leading high-precision differential pressure sensor technology and packaging technology. The differential pressure sensor is located at the top of the metal body, away from the medium contact surface, realizing mechanical isolation and thermal isolation. The glass sintered integrated sensor lead realizes high-strength electrical insulation with the metal substrate, improving the flexibility of electronic circuits and the ability of transient voltage protection. Platinum level accuracy of ± 0.05%, one-way overpressure up to 25MPa. Excellent static pressure performance, the best static pressure error can be controlled within ± 0.05%/10MPa, the temperature change is very small, the best can be controlled within ± 0.04%/10K.
In the circuit design, the modular design with microprocessor as the core and advanced digital isolation technology is adopted, which makes the instrument have high anti-interference and stability. Hart protocol is used for communication, which can be operated remotely by Hart manual controller or computer installed with Hart software to complete the configuration of measurement information. At the same time, digital compensation technology is adopted, and the transmitter is compensated by built-in temperature sensor, which improves the measurement accuracy, reduces the temperature drift, and has the characteristics of good long-term stability and high reliability. The most user-friendly design of infrared wireless settings, a key reset function, to meet the safety requirements of dangerous situations, very convenient shortcut menu operation, and can complete all parameter settings, improve the performance of the transmitter.
(1) with LCD liquid crystal display, with configuration button;
(2) Output signal: FF field bus protocol, with RS485 output;
(3) with 4-20mA signal output, with a variety of communication protocol options, support HART, MODBUS, FF, PROFIBUS-DP/PA, etc.



 

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