Temperature Measurements
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National Instruments offers a wide variety of temperature measurement solutions ranging from low-cost single-channel USB devices to modular and scalable systems that are ideal for the challenges of large-channel-count sensor measurements. Whether you are measuring temperature in a lab or rugged remote location, NI has the right measurement platform for your application. National Instruments has software options for quickly logging data to disk as well as for full programming environments for complex system architectures. With NI modular hardware and flexible software, you can easily measure temperature as part of a complete measurement system that meets the specific and unique needs of your application. |
Choosing a Temperature Sensor and Measurement Device
Temperature is one of the most common types of physical measurements. You can measure temperature in various environments and channel counts. Depending on the desired accuracy, range, and expense, you have several sensor options for measuring temperature. National Instruments offers a wide variety of devices for you to choose from to make temperature measurements.
How To Measure Temperature 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. The purpose of these documents is to help you understand what you need to know to quickly make your desired measurement.
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Low-Cost Single-Channel Temperature Measurements
The NI USB-TC01 is a low-cost, portable solution for measuring temperature from a single thermocouple. Built-in NI InstantDAQ software for viewing and logging data is automatically loaded once you connect the device, so setup time is minimal.
- Compatibility with J, K, R, S, T, N, E, and B thermocouples
- Standard miniplug for easy thermocouple connection
- NI InstantDAQ technology for instant measurements with your PC, no driver installation required
View specs and pricing
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Modular and Portable Temperature Measurements
NI CompactDAQ provides a portable and modular solution for temperature measurements. The NI CompactDAQ platform offers up to 16 temperature channels per module and 128 channels per chassis. The chassis can stream data through USB, Ethernet, or wireless.
- C Series I/O modules are available 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 Temperature 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 the specific needs of your application. The PXI digital multimeter (DMM) offers accuracy up to 0.3 °C for J-Type thermocouples, 0.14 °C for RTDs, and 0.08 °C for thermistors. Both of these solutions can scale to thousands of temperature measurement channels for large applications.
- Configurable desktop, rack-mount and distributed multi-chassis 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 Temperature 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 are available for taking measurements from any type of sensor
- Choose from a variety of Real-time controllers and reconfigurable chassis featuring a programmable FPGA for custom timing, analysis and control; 4 and 8-slot options available
- Open embedded architecture with small size and extreme ruggedness
View specs and pricing |
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Benefits of Using NI for Temperature Measurements
- Integrated signal conditioning and connectivity for thermocouples, resistance temperature detectors (RTDs), and thermistors to maximize your measurement accuracy and performance
- Broad offering of measurement platforms that let you measure temperature from one to thousands of channels
- Flexible virtual instrumentation gives you the ability to customize NI measurement hardware to meet the unique requirements of your application
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