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YWKM-1A high-frequency dynamic pressure transmitter

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  • YWKM-1A high-frequency dynamic pressure transmitter

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YWKM-1A high-frequency dynamic pressure transmitter
The YWKM-1A high-frequency dynamic pressure transmitter is made by utilizing the extremely high Young's modulus of elasticity and excellent mechanical properties of semiconductor silicon, allowing the sensor to have a high natural frequency. Combined with our company's advanced internal and external structural design, it reduces frequency loss. Thus obtaining a high response frequency and rise time, it is an ideal product for measuring high-frequency dynamic pressure.
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Product Description


performance parameter

Frequency response characteristic table:


Pressure RangeNatural frequency/HzResponse frequency/HzTypical Applications
0-250，400KPa100，200K0-20KHz,aerodynamics
200K（max）
0-0.5MPa，4.0MPa300-750k0-100KTrauma medicine
0-5MPa，10MPa700k-1000k0-120KProduction and Engine
0-16mPa，40MPa800-1200K0-120KImpact force of hydraulic turbine blades
0-60MPa，100MPa0-1200K0-120KHigh frequency soil stress

Performance parameter grading table:


performance parameterABCD
Nonlinear/±%FS10.50.20.1
Non repeatability, hysteresis /±%FS0.20.150.10.04
Zero temperature coefficient/X10-4/℃.FS5321
Sensitivity temperature coefficient/X10-4/℃.FS5321
Zero time drift/%FS/8h0.20.150.10.1
comprehensive accuracy%FS10.50.250.15

Technical features:

  • High frequency response range

  • Wide passband, wide operating temperature range

  • Wide range coverage, good long-term stability of product performance

  • The flush packaging design of the pressure sensing film completely eliminates the tube cavity effect, resulting in extremely high frequency response of the sensor



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Pressure Transmitters for Industrial Pressure Measurement

Xinyi Instrument supplies pressure transmitters for process control, hydraulic systems, petrochemical plants, water treatment, HVAC, power generation and general industrial pressure monitoring. Our pressure transmitter range covers gauge pressure, absolute pressure, differential pressure, high temperature media and digital communication applications.

Choose from compact pressure transmitters, smart 3051 differential pressure transmitters, diaphragm seal models, RS485 digital pressure transmitters and high frequency dynamic pressure sensors. Standard outputs include 4-20 mA, voltage output, HART and RS485 Modbus options, with stainless steel wetted parts and custom process connections available on request.

Pressure Transmitter Parameters

Pressure Types Gauge, absolute, negative pressure, differential pressure
Measuring Range From low differential pressure to high pressure ranges up to 100 MPa, depending on model
Output Signals 4-20 mA, 0-5 V, 1-5 V, 0-10 V, RS485 Modbus, HART options
Accuracy Typical options include 0.1%, 0.2%, 0.25% and 0.5% FS
Process Connection M20 x 1.5, G1/4, G1/2, NPT and customized thread connections
Wetted Materials Stainless steel, 316L diaphragm and corrosion-resistant sealing options
Media Water, oil, gas, air, steam and compatible liquid or gas media
Applications Pipeline pressure, tank level, flow differential pressure, hydraulic pressure and automation systems

Recommended Pressure Transmitter Series

  • Xinyi YW-150 - differential pressure transmitter for stable industrial measurement.
  • Xinyi YW-3051DP - smart differential pressure transmitter for process control.
  • Xinyi YW-130 / YW-140 - compact pressure transmitters for general pressure monitoring.
  • RS485 Digital Pressure Transmitter - Modbus communication for remote monitoring systems.
  • High Temperature Pressure Transmitter - designed for hot media and demanding process conditions.
  • Siemens, Yokogawa and ABB Options - international brand transmitters available for project matching.

Pressure Transmitter FAQ

What is a pressure transmitter used for?

A pressure transmitter converts the pressure of liquid, gas or steam into a standard electrical signal for PLC, DCS, recorder or control instrument input. It is widely used for pipeline pressure, tank level, flow measurement and process safety monitoring.

How do I choose the right pressure transmitter?

Confirm the pressure range, pressure type, medium, temperature, output signal, accuracy, installation thread, electrical connection and environmental requirements. For corrosive media, high temperature or sanitary applications, diaphragm material and sealing structure are especially important.

What is the difference between gauge, absolute and differential pressure transmitters?

Gauge pressure transmitters measure pressure relative to atmospheric pressure. Absolute pressure transmitters measure pressure relative to vacuum. Differential pressure transmitters measure the pressure difference between two points and are commonly used for flow, filter and level measurement.

Can Xinyi Instrument provide customized pressure transmitters?

Yes. Xinyi Instrument can support customized pressure ranges, process connections, output signals, cable length, display options and model selection for different industrial applications.