Air Pressure Transmitters for Duct, Compressor and Environmental Monitoring

Air pressure transmitters for critical system monitoring. Ideal for HVAC duct pressure, industrial air compressors, and environmental pressure changes.

This range of air pressure transmitters provides precise and reliable measurement solutions, featuring industry-standard 4-20 mA current loop outputs for seamless integration into diverse control systems. These instruments are engineered for applications spanning environmental air pressure monitoring, ventilation duct analysis, air compressor regulation, air cleaning system efficiency, and pneumatic feed line integrity. With options including intrinsic safety approvals for hazardous environments, our transmitters are designed to meet the demanding requirements of industrial process control, HVAC optimization, and specialized applications like gas cylinder monitoring, ensuring operational safety and efficiency through accurate air pressure data.

Air classification system powder duct pressure transmitter with +/-15 kPa range and ATEX/IECEx IS cert - This pressure transmitter with open port design is ideal for monitoring duct pressures in powder air classification systems. It features ATEX/IECEx IS certification and a -15 to +15 kPa range.
100 Pa bi-directional range differential air pressure transmitter - Bi-directional low range 4 to 20 milliamp differential pressure transmitter covering an air pressure range from -100 to +100 pascals, for cleanrooms, isolation rooms, and filter monitoring.

Monitoring hot and cold aisle containment in datacenters using a differential pressure transmitter - Low range differential pressure transmitter with a local display was used to maintain precise room pressurization in a mission-critical datacenter environment for improved thermal management.
Marine air lubrication system submersible seawater resistant air pressure transmitter - Measuring gauge air pressure inside a pipe near an underwater air injector for a ship's drag reduction system. Marine grade pressure sensors provide essential accuracy and seawater resistance for reliable component testing and performance tuning at depths down to 10 meters.
Aerospace component testing hi-temp air pressure sensor for up to 300C with 20 barg range - Conduct accurate aerospace component testing with the DMP 331P pressure sensor. With a 20 bar g range and 300°C temperature capability, it's ideal for testing pneumatic valves, heat exchangers, and sensors under simulated operating conditions.
Air scrubber 10 inH2O negative pressure transmitter - Monitor air scrubber performance with this negative pressure transmitter. 4-20mA output, ranged to -10 inH2O. Ideal for industrial and healthcare applications.

Find out more about Air Pressure Transmitters to determine which product options and capabilities will best meet your application requirements.

Air pressure transmitters incorporating a robust 4-20 mA current loop output are fundamental for precise and reliable measurement within a multitude of industrial and research settings. These devices are specifically engineered to monitor diverse air pressure parameters, ranging from subtle environmental or barometric pressure shifts critical for laboratory conditions or high-altitude applications, to the dynamic pressures found within ventilation ducts for optimizing airflow or detecting filter saturation. For industrial applications, they are indispensable for overseeing the operational pressures of air compressor systems, ensuring efficient load/unload cycles and system integrity. Their utility extends to specialized air cleaning equipment, where differential pressure readings across filter banks indicate maintenance requirements, and to pneumatic feed lines, guaranteeing consistent pressure for automated machinery and control systems.

The 4-20 mA output signal is particularly favored in these applications due to its inherent noise immunity, suitability for long-distance transmission without signal degradation, and its capability for loop-powered operation, simplifying wiring and reducing installation costs. When selecting an air pressure transmitter, consideration must be given to the specific pressure type being measured, whether it’s gauge pressure for compressors and pneumatic lines, differential pressure for airflow and filter monitoring in HVAC systems or cleanrooms, or absolute pressure for sensitive environmental measurements. For instance, in cleanroom environments or isolation rooms, minute differential air pressures are critical for maintaining environmental integrity, and transmitters with high accuracy at low pressure ranges are paramount.

Furthermore, for installations in potentially hazardous environments, such as those involving flammable gases, vapors, or combustible dust where pneumatic systems are often preferred for safety, air pressure transmitters with optional intrinsic safety (IS) approvals are available. These IS-certified transmitters are designed to limit electrical and thermal energy to prevent ignition, making them suitable for process control and monitoring in chemical plants, refineries, or specialized manufacturing facilities that rely on pneumatic conveying or control. The robust construction and reliable electronic outputs of these transmitters also ensure compatibility with PLCs, SCADA systems, and dedicated process controllers for seamless integration into overarching control strategies for HVAC system optimization, industrial air system management, and the safe monitoring of pressurized gas cylinders used in various processes or as backup supplies. Careful selection will also involve considering wetted parts material for compatibility with the air or gas being measured, especially in applications with trace contaminants or high humidity.