WIKA S-20 High Precision Pressure Transmitter | Industrial Grade for Harsh Environments

WIKA S-20 High Precision Pressure Transmitter | Industrial Grade for Harsh Environments
The S-20 pressure transmitter has a wide range of applications and can meet the requirements of demanding tasks and harsh environments. The measurement range is 0 0.04 to 0 160 MPa [0... 5.8 to 0... 23200 psi], can be combined with various output signals, electrical connections, and process connections. These configuration options offer over 1 billion versions, providing ample room for customization. S-20 is also suitable for critical industrial applications and can reliably operate under high temperature, vibration, or corrosive media conditions.
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Product Description

Product Description

The   S-20 pressure transmitter    has a wide range of applications and can meet the requirements of demanding tasks and harsh environments. The  measurement range is 0 0.04 to 0 160 MPa [0... 5.8 to 0... 23200 psi], can be combined with various output signals,  electrical connections, and process connections. These configuration options offer over 1 billion versions, providing  ample room for customization. S-20 is also suitable for critical industrial applications and can reliably operate  under high temperature, vibration, or corrosive media conditions.

The pressure measurement of S-20 is particularly accurate and reliable, with three accuracy levels to choose from. The  temperature can be adjusted to+4 ° C,+40 ° C,+60 ° C, and+80 ° C [+39 ° F,+104 ° F,+140 ° F,+176 ° F] to minimize  temperature errors.

S-20 adopts mature technology that has been tested and validated through practical experience. It has up to 100  million load cycles and long-term stability of less than 0.1%, providing accurate data for processes and equipment  sustainably. In addition, regular reviews can permanently ensure the highest quality standards.


Product Functional

  • High precision, small temperature error, optional temperature adjustment;

  • Rich in categories, available from 1 piece or more;

  • Time tested technology;

  • Special media and special models;

  • Extremely robust & shock-resistant design;

  • High overload protection capability;

  • Suitable for almost all industrial media;




Measurement range:0.4bar~1600bar
Accuracy class:0.125%/0.25%/0.5%BFSL
Long-term stability:<0.1%/year
Responsive time:< 1 ms
Material:stainless steel
Output signal:4-20mA
Ambient temperature:-40°C ~ +125°C
Medium Temperature:Up to 200 ° C
Special media:special media such as oxygen and hydrogen
Ingress Protection rating:IP65

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Products Recommended

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.