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4-20mA LCD Digital Display 266GST Gauge Pressure Transmitter

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  • 4-20mA LCD Digital Display 266GST Gauge Pressure Transmitter

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4-20mA LCD Digital Display 266GST Gauge Pressure Transmitter
266GST gauge pressure transmitter with LCD and 4-20mA output delivers reliable measurement for liquid, gas, steam and open tank level.
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Whatsapp : +86 17391983629‬
Email : Jayna@xinyiyb.com
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Product Description

Model 266GST is the top performance gauge pressure transmitter suitable for measuring liquid, gas or steam pressure as  well as liquid level in an open tank. Thanks to its stability and reliability it works within stated performance even  in extreme ambient and process conditions.


In addition to the plug-in terminal block, this transmitter features in-field replaceable electronics module that  thanks to the auto-configuration functionality dramatically improves plant productivity. Its intuitive plug-and-play  display with easy setup procedure really helps users by saving time and lowering maintenance and inventory costs.  Moreover, the innovative TTG (Through The Glass) technology allows users to configure the instruments in the field  without removing the windowed front cover and consequently to save a lot of time.


The 266GST is certified by TUV NORD for use in safety instrumented systems as per the requirements of IEC61508. The  transmitters meet the requirements for SIL2 applications in a single transmitter configuration (1oo1) and for SIL3  applications in a redundant configuration (1oo2).

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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.