High Resolution Resonant Pressure Transducer Industrial Grade

MOQ： 1Set
Price： Negotiable
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Payment Terms	Western Union,T/T,D/P,D/A,L/C
Supply Ability	100PCS/Month
Delivery Time	5-8 work days
Packaging Details	Carton
Power	9-32VDC
Connection	CL150(DN25)
Precision	0.5%FS,0.25%
Pressure Type	Gauge / Absolute / Sealed Gauge
Power Supply	24 V DC
Pressure Port	G1/4,NPT1/4,7/16-20UNF
Medium	gas,liquid
Output	4~20mA/0.5-4.5V/0-5V/1-5V
Diaphram Material	ss316
Grade	Industrial
Brand Name	QINWEIYB
Model Number	QWYB-515
Certification	Explosion-proof certificate ，Safety certificate
Place of Origin	China

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Product Specification


Payment Terms	Western Union,T/T,D/P,D/A,L/C	Supply Ability	100PCS/Month
Delivery Time	5-8 work days	Packaging Details	Carton
Power	9-32VDC	Connection	CL150(DN25)
Precision	0.5%FS,0.25%	Pressure Type	Gauge / Absolute / Sealed Gauge
Power Supply	24 V DC	Pressure Port	G1/4,NPT1/4,7/16-20UNF
Medium	gas,liquid	Output	4~20mA/0.5-4.5V/0-5V/1-5V
Diaphram Material	ss316	Grade	Industrial
Brand Name	QINWEIYB	Model Number	QWYB-515
Certification	Explosion-proof certificate ，Safety certificate	Place of Origin	China
High Light	High Resolution Pressure Transducer ，Resonant Pressure Transducer ，Resonant Pressure Sensor Industrial Grade

Resonant Pressure Transmitter

Resonant pressure transmitter is a kind of pressure measurement device commonly used in industrial automation fields. The pressure sensor converts the measured pressure into an electrical signal by measuring the deformation under force.

Features and Advantages

Unparalleled Accuracy and Long-Term Stability
Accuracy: It can achieve an accuracy better than ±0.02% of span, making it the preferred choice for trade measurement and critical control.
Long-Term Stability: This is its core advantage. Since the output is frequency (the reciprocal of time), it is not affected by common analog circuit issues such as amplifier drift and gain drift. The annual drift can be less than ±0.1% of URL/10 years, almost eliminating the need for calibration.
Extremely High Resolution
The frequency can be measured very precisely (for example, to 0.1 Hz), resulting in an extremely high resolution for pressure changes, capable of detecting very small pressure variations.
Excellent Repeatability
The repeatability of the resonant frequency is excellent, ensuring highly consistent measurements each time.
Inherently Strong Anti-Interference Ability
The frequency signal is not affected by cable resistance, noise, or voltage fluctuations during transmission, making it highly suitable for long-distance transmission and noisy industrial environments.
Direct Digital Output
It is inherently compatible with digital systems, eliminating the need for A/D conversion and reducing error links in the signal chain.

Typical application scenarios

Resonant transmitters, due to their high cost, are mainly used in critical situations where accuracy and stability are of paramount importance:

Trade handover and measurement:
Pipeline transportation and tank measurement of oil, natural gas, and petrochemical products. Accuracy is directly related to huge financial settlements and is a high-precision situation required by regulations.
Critical process control:
Pressure control in fine chemical and pharmaceutical reactors, which directly affects product quality and reaction safety.
Performance monitoring and control of large compressors and turbines.
Standards and calibration:
Used as working standards to calibrate other low-precision pressure gauges in factories.
Energy management and efficiency monitoring:
Main steam pressure control in power plant boilers, high-performance combustion control.
Aerospace and testing:
High-precision pressure measurement in aircraft static pressure systems and engine test stands.

Comparison with piezoresistive pressure transmitters

Characteristics	Resonant pressure transmitter	Piezoresistive pressure transmitter
Core principle	Pressure changes resonant frequency	Pressure changes resistance value
Essence of output signal	Quasi-digital signal (frequency)	Analog signal (mV/V)
Accuracy	Extremely high (±0.02% to ±0.075%)	High (±0.075% to ±0.5%)
Long-term stability	Excellent (minimal annual drift)	Good, but with slow drift over time
Interference resistance	Strong (frequency signal is noise-resistant)	Average, signal transmission requires attention
Dynamic response	Relatively slow (~100ms level)	Fast (~10ms level)
Cost	Very high	Moderate (very low in large quantities)
Main application positioning	Measurement, critical control, standards	General process control, monitoring

Resonant pressure transmitters are at the pinnacle of pressure measurement technology. They are not intended to replace the widely used piezoresistive technology, but rather to meet the demands of the top 5% of applications that have almost exacting requirements for accuracy, stability and reliability.

Company Details

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Business Type:

Manufacturer,Distributor/Wholesaler,Exporter 
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Year Established:

Establishe 
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Total Annual:

5 million-10 million
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Employee Number:

500~800 
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Ecer Certification：

Verified Supplier 

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Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)
No. 143, Sanqiao Street, Xi'an City, Shaanxi Province, China
https://www.radarlevelgauges.com/

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