HomeDifferential Pressure Transmitter

Differential Pressure Transmitters

Comprehensive Range of Differential Pressure Transmitters 


Differential pressure transmitters are essential instruments in various industrial processes, providing accurate measurements of pressure differentials across different points. At Buypneumatics, we offer a comprehensive range of high-quality differential pressure transmitters designed to meet the diverse needs of industrial applications. 

What is a Differential Pressure Transmitter? 

A differential pressure transmitter is a device used to measure the difference in pressure between two points in a system. It consists of a sensing element, usually a diaphragm, that detects changes in pressure and converts them into an electrical signal. This signal is then transmitted to a control system for further analysis and monitoring. 

Understanding Differential Pressure Transmitters 

Differential pressure transmitters are specialized devices designed to measure the pressure difference between two points in a system. They consist of a sensing element that detects changes in pressure and converts them into electrical signals. These signals are then transmitted to a control system or monitoring device for further analysis and action. 

How Does it Work? 

The sensing element of a differential pressure transmitter deflects in response to changes in pressure. As the pressure difference between the two points increases or decreases, the deflection of the diaphragm changes accordingly. This movement is converted into an electrical signal by a transducer or strain gauge, which is then amplified and transmitted to the control system. 

Key Features: 

High accuracy: 

Our range of differential pressure transmitters offers exceptional accuracy, ensuring precise measurements in critical applications. 

Wide pressure range:  

Our transmitters are available in a wide range of pressure ratings, making them suitable for various industrial processes. 

Robust construction:  

Designed to withstand harsh operating conditions, our transmitters feature durable construction materials for long-term reliability. 

Easy installation:  

With simple installation procedures, our transmitters can be quickly integrated into existing systems without hassle. 

Applications Of Differential pressure transmitters in various industries, including: 

HVAC systems:  

Monitoring air flow and pressure differentials in heating, ventilation, and air conditioning systems. 

Industrial processes:  

Controlling flow rates, detecting leaks, and measuring liquid levels in chemical processing plants, refineries, and power plants. 

Pharmaceutical and biotech: 

Ensuring precise pressure control in manufacturing processes to maintain product quality and consistency. 

Environmental monitoring:  

Monitoring air and water quality by measuring pressure differentials in environmental monitoring systems. 

Flow Measurement:  

In industries such as oil and gas, water treatment, and chemical processing, these transmitters are used to measure flow rates by monitoring the pressure drop across a flow restriction. 

Level Monitoring:  

By measuring the pressure difference between the bottom and top of a tank or vessel, these transmitters can accurately determine fluid levels, ensuring efficient inventory management and process control. 

Filter Monitoring:  

In filtration systems, these devices are employed to monitor the pressure drop across filters, indicating when they need to be cleaned or replaced to maintain optimal performance. 

HVAC Systems:  

Differential pressure transmitters play a crucial role in heating, ventilation, and air conditioning (HVAC) systems by monitoring airflow and duct pressure to ensure proper ventilation and comfort. 

Advantages of Differential Pressure Transmitters 

One of the primary advantages of using a differential pressure transmitter is its ability to provide accurate and reliable measurements in challenging industrial environments. These devices are highly sensitive and can detect even small changes in pressure differentials, making them ideal for precise control and monitoring applications. 

Additionally, modern differential pressure transmitters are equipped with advanced features such as digital communication protocols, self-diagnostics, and built-in temperature compensation, further enhancing their performance and versatility. 

 Why Choose Buypneumatics? 

At Buypneumatics, we are committed to providing our customers with high-quality products and exceptional service. Our range of differential pressure transmitters is sourced from trusted manufacturers and undergoes rigorous quality testing to ensure reliability and accuracy. With our extensive inventory and fast shipping options, we make it easy for you to find the right differential pressure transmitter for your application. 


Differential pressure transmitters play a crucial role in monitoring and controlling pressure differentials in industrial processes. With their high accuracy, robust construction, and wide range of applications, they are essential instruments for ensuring the efficiency and reliability of industrial systems. At Buypneumatics, we offer a comprehensive selection of differential pressure transmitters to meet the diverse needs of our customers.