Pressure Measurements
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National Instruments offers a wide variety of pressure measurement solutions ranging from simple, secure Wi-Fi devices to high-channel rack-mountable systems. You can integrate all NI pressure measurement systems with other measurements and sensor types because of the modular design. Software options are available for configuration-based loggers as well as full programming environments.
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Choosing a Pressure Sensor and Measurement Device
Pressure measurements are one of the fastest growing types of physical measurements. You can make pressure measurements in various mediums using different channel counts. Depending on the desired accuracy, range, and expense, you have several sensor options for measuring pressure. National Instruments offers a wide variety of devices for you to choose from to make pressure measurements.
How-to Tutorials
The how-to guide for most common measurements provides information about making common sensor and signal measurements. Each of the following documents covers the operating principle for the corresponding signal/sensor and offers guidance on how to make that type of measurement. These documents help you understand what you need to know to quickly make your desired measurement.
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Modular and Portable Pressure Measurements
NI CompactDAQ provides a portable and rugged solution that is recommended for pressure measurements requiring isolation. You can choose from different modules with up to 60 Vrms of channel-to-earth isolation and 24-bit resolution. The NI CompactDAQ platform offers up to eight channels per module and 64 channels per chassis. The chassis can stream data through USB, Ethernet, or wireless.
- NI C Series I/O modules for taking measurements from any type of sensor
- Multiple timing engines for multiple acquisition rates
- Advanced counter functionality from NI-STC 3 technology
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Modular, Scalable, and High-Accuracy Pressure Measurements
The PXI platform provides a variety of chassis, controller, and module options that give you the power to create a measurement system that meets your application’s specific needs. The PXI platform is recommended for highly accurate pressure measurements. The NI PXIe-4330 has an accuracy of up to 0.02 percent and the NI PXIe-4331 can sample up to 102.4 kHz. These solutions can scale to thousands of pressure measurement channels for large applications.
- Configurable desktop, rack-mount, and distributed multichassis solutions
- Compatibility with a wide range of sensors and transducers
- More than 1,500 PXI modules available, including CAN, vision, motion, and GPS
View specs and pricing
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Embedded Data-Logging Pressure Measurements
The NI CompactRIO embedded data-logging system is ideal for a variety of industrial and in-vehicle logging applications that require a stand-alone, rugged logging solution. These data loggers combine an embedded real-time controller for stand-alone operation, a rugged chassis, and a variety of I/O modules for connecting with any analog or digital sensor.
- C Series I/O modules for taking measurements from any type of sensor
- A variety of real-time controllers and reconfigurable chassis featuring a programmable field-programmable gate array (FPGA) for custom timing, analysis, and control; 4- and 8-slot options are available
- Open embedded architecture with small size and extreme ruggedness
View specs and pricing
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Benefits of Using NI for Pressure Measurements
- Integrated signal conditioning for bridge-based pressure sensors including filtering, amplification, and bridge completion
- High-speed hardware offerings for dynamic pressure applications
- Flexible virtual instrumentation for customizing NI measurement hardware to meet the unique requirements of your pressure measurement application
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