Differential Pressure Transmitter
2 month ago
Product details
Product Description
Made of top-grade special alloy materials and after multiple fine surface treatment processes, the transmitter has excellent shock and vibration resistance as a whole, and also performs well in chemical corrosion resistance. This feature ensures that it can work stably for a long time in highly corrosive and complex working environments such as chemical and pharmaceutical industries.
Its performance advantages are concentrated in its ultra-high precision measurement capabilities. It is equipped with a new generation of nano-scale sensing elements, which can capture extremely subtle pressure changes, and the measurement accuracy can reach ±0.05% FS or even higher. The measurement range can be flexibly customized within a very wide range, from a tiny differential pressure of a few Pa to a larger differential pressure of thousands of kPa, which can be accurately measured, providing unparalleled accurate data support for precision control in industrial production. At the same time, it has a fast response characteristic, which can respond to pressure changes in an instant, ensuring timely output of accurate measurement results. In terms of signal transmission, advanced digital signal processing technology is used to ensure that the signal is not distorted during long-distance transmission, greatly improving the reliability and stability of the data.
Made of top-grade special alloy materials and after multiple fine surface treatment processes, the transmitter has excellent shock and vibration resistance as a whole, and also performs well in chemical corrosion resistance. This feature ensures that it can work stably for a long time in highly corrosive and complex working environments such as chemical and pharmaceutical industries.
Its performance advantages are concentrated in its ultra-high precision measurement capabilities. It is equipped with a new generation of nano-scale sensing elements, which can capture extremely subtle pressure changes, and the measurement accuracy can reach ±0.05% FS or even higher. The measurement range can be flexibly customized within a very wide range, from a tiny differential pressure of a few Pa to a larger differential pressure of thousands of kPa, which can be accurately measured, providing unparalleled accurate data support for precision control in industrial production. At the same time, it has a fast response characteristic, which can respond to pressure changes in an instant, ensuring timely output of accurate measurement results. In terms of signal transmission, advanced digital signal processing technology is used to ensure that the signal is not distorted during long-distance transmission, greatly improving the reliability and stability of the data.
Working Principle
The differential pressure transmitter works based on the advanced piezoresistive effect principle. The core component is a high-precision piezoresistive sensor chip made of single-crystal silicon. When the pressure of the measured medium acts on both sides of the sensor chip through the pressure-inducing tube, the chip will be deformed very slightly due to the pressure difference on both sides. This deformation will cause the resistance value inside the chip to change, and the change in resistance value is precisely linearly related to the applied pressure difference.
The signal conditioning circuit inside the transmitter will amplify and filter the weak electrical signal generated by the resistance change, and then convert the analog signal into a digital signal through a high-precision A/D converter. After further calculation, compensation and calibration by the microprocessor, the digital signal is output according to the standard communication protocol (such as Modbus, Profibus, etc.) so as to be seamlessly integrated with various automation control systems to achieve accurate measurement and efficient transmission of differential pressure values.
The differential pressure transmitter works based on the advanced piezoresistive effect principle. The core component is a high-precision piezoresistive sensor chip made of single-crystal silicon. When the pressure of the measured medium acts on both sides of the sensor chip through the pressure-inducing tube, the chip will be deformed very slightly due to the pressure difference on both sides. This deformation will cause the resistance value inside the chip to change, and the change in resistance value is precisely linearly related to the applied pressure difference.
The signal conditioning circuit inside the transmitter will amplify and filter the weak electrical signal generated by the resistance change, and then convert the analog signal into a digital signal through a high-precision A/D converter. After further calculation, compensation and calibration by the microprocessor, the digital signal is output according to the standard communication protocol (such as Modbus, Profibus, etc.) so as to be seamlessly integrated with various automation control systems to achieve accurate measurement and efficient transmission of differential pressure values.
Jiangsu Meian Automation Instrument Co., Ltd.'s leading products cover five major categories of products, including liquid level meters, temperature meters, flow meters, calibration instruments, and pressure meters. Among them, liquid level meters, pressure meters, flow meters, and temperature meters have passed the SIL safety certification, and the two categories of products, liquid level meters and pressure meters, have obtained explosion-proof certificates. They are favored by many domestic dealers and users, laying a solid foundation for the long-term development of Meian Instruments.
Product Attributes:
| Measuring medium: | liquid, gas or vapor |
| Range ratio: | 40:1 |
| Accuracy level: | 0.075, 0.1, 0.2 |
| Range ratio effect: | 0.075: Range B-F, ±0.075% of the calibrated range when the range ratio is 1:1-10:1, ±[0.002xrange ratio-0,1]% when the range ratio>10:1 0.1: Range A -F, when the range ratio is 1:1-10:1, it is ±0.1%6 of the calibrated range; when the range ratio is >10:1, it is ±[0.025xrange ratio-0.125]%; when the range ratio is 1:1-5:1, it is ±0.1% of the calibrated range; when the range ratio is >5:1, it is ±[0.025xrange ratio-0.125]% 0.2 level: range A-F, when the range ratio is +0.2% of the calibration range for 1:1-10:1; ±[0.03x range ratio-0.11% for range ratio>10:1 |
| Stability: | 36 months error is ±0.2% of the maximum range |
| Temperature influence: | 0.075 level: zero point or range error is +0.2% of the maximum range/28'C 0.1 level: zero point or range error is ±0.25% of the maximum range/28'C 0.2 level: zero point or range error is ±0.15%6 of the maximum range/28℃ |
| Power supply influence: | less than ±0.005%/V of the calibration range |
| Vibration influence: | less than ±0.05%/g of the maximum range |
| Installation influence: | zero drift is not more than 0.25kPa. This error can be eliminated by zero adjustment and has no effect on the range |
Detail Pictures:
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Suppliers
Jiangsu Meiante Technology Co., Ltd
Audited supplier
5 month
Main Product:
Pressure transmitter,
Liquid level meter,
Temperature transmitter,
Flowmeter,
valve,
Wire and cable
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