Introduction to Wireless Liquid Level Transmitter

The wireless level transmitter can convert the change of liquid level into wireless signals and transmit them to the cloud or local platform. It is small and easy to carry and install. It uses a stainless steel shell for isolation and has strong anti-corrosion function. It can measure and contact various liquid media that are compatible with it.


In addition to the above, the wireless liquid level transmitter supports both power supply and battery power supply. The battery power consumption is very low. Under the default upload and collection interval, the continuous use time can be up to 5 years. If the battery needs to be replaced, you only need to open the back cover of the device to easily replace it. Its storage function is also very powerful. Even in an offline state, it can automatically store data to ensure the accuracy and integrity of the data. Moreover, the wireless liquid level transmitter has a display screen that can display the current liquid level data and liquid level in real time. Users only need to use USB to connect to the mobile phone software to easily configure the parameters, which is simple and convenient.


This wireless level transmitter is suitable for various occasions, using high-quality TPU air-conducting cable, die-cast alloy aluminum housing, epoxy spraying on the surface, sealed design, IP67 protection level, which makes this device highly dustproof and waterproof, allowing users to use it safely in various harsh environments. Such as fire trucks, water plants, sewage treatment plants, urban water supply, water wells, water towers, geothermal wells, mines, industrial pools, hydrogeology, reservoirs, rivers, oceans, water circulation, water treatment and other fields.

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Time : Dec 27, 2024
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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.