Wireless Smart Pressure Transmitter: Making Data from Remote Monitoring Points ‘Within Easy Reach’

By 2026, the Industrial Internet of Things has become widely adopted. Pressure transmitters are no longer just “silent components" used for measurement. They are becoming intelligent terminals that can actively communicate with control systems and cloud platforms.

Even so, engineers still face familiar challenges during product selection and on-site installation. Wiring can be expensive, power supply can be difficult, and signal transmission may be unreliable in remote locations. Wireless smart pressure transmitters are designed to solve these practical problems. They make it much easier to collect real-time pressure data from scattered or hard-to-reach monitoring points across a plant.

Today, wireless smart pressure transmitters are evolving along three main technology paths:

The global market for IoT smart pressure sensors reached approximately USD 3.54 billion in 2025 and is expected to maintain a compound annual growth rate (CAGR) of 10.3%.

The main drivers behind this growth include:

• The expansion of 5G + Industrial Internet policies
• The deployment of smart city and digital twin technologies
• Growing demand from end users for low-labor or unattended field management

Typical Scenario:A chemical plant needed to upgrade 20 pipeline pressure monitoring points distributed across a 3 km area. If a traditional wired solution were used, the project would require road excavation, conduit installation, and cable tray construction. The total construction period would be about 45 days, and the wiring cost would be 2.5 times the cost of the instruments themselves.As monitoring points become more scattered and transmission distances become longer, the wiring cost per point rises significantly.

Solution:By using wireless smart pressure transmitter with 4G or NB-IoT communication, the plant can avoid excavation and cable installation entirely. All deployment can be completed within two working days, and the total cost is only about 35% of the wired solution. If the installation location needs to be changed later, the device can be moved directly without repeated wiring costs.

Wireless smart pressure transmitters use a high-accuracy silicon pressure sensing core, combined with an amplification circuit, temperature compensation, and nonlinearity correction, to convert pressure signals into standard outputs such as 4–20 mA or RS485.

Typical Scenario:A gas company operates 12 pressure regulating stations spread across an 80 km area. At present, staff members manually visit each station twice a week to record readings. If an abnormal pressure event occurs at night, it may not be discovered in time. In one case, a sudden pressure drop caused a downstream gas outage that lasted four hours.

Solution:A wireless smart pressure transmitter can automatically upload pressure data every 15 minutes. When the pressure exceeds a preset limit, the system immediately sends an alarm notification. Maintenance personnel can check real-time pressure data for all stations through a computer or smartphone without going to the site.

Wireless smart pressure transmitters can use either a micro-fused pressure sensor or a diffused silicon sensing core. Their pressure range can cover -100 kPa to 70 MPa, with options for absolute pressure, gauge pressure, and sealed gauge pressure.

The device is equipped with a high-energy lithium battery, which can provide several years of service life under a typical reporting interval. A 24-bit high-precision ADC collects both pressure and temperature signals, while intelligent power management enables microamp-level standby current. This effectively solves the power supply problem at remote monitoring sites.

Wireless smart pressure transmitters mainly solve practical field deployment problems. When monitoring points are scattered, wiring is difficult, power supply is inconvenient, or signal transmission is poor, a wireless solution is often more flexible and cost-effective than a wired one.

However, wireless solutions are not suitable for every application. If the system requires high-speed real-time closed-loop control, or if a complete wired infrastructure is already in place, a traditional wired transmitter may still be the better choice.

The key is to select the solution that best matches the actual working conditions, communication environment, and maintenance capabilities.

Today, wireless technology is already mature enough for stable use in industrial, municipal, and energy applications. When selecting a wireless smart pressure transmitter, engineers should focus on four key parameters:

• Pressure range
• Accuracy
• Communication protocol
• Power supply method

Evaluating these four items carefully can help avoid most common application problems.