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CompactDAQ is a robust, modular, and flexible data acquisition (DAQ) system that connects to a computer or laptop via USB or Ethernet. The system combines signal-based measurement circuitry, DAQ technology, and software optimized for DAQ applications.
Engineers, technicians, and researchers use CompactDAQ to perform sensor measurements (temperature, flow, load, vibration, etc.) and electrical measurements (voltage, current, digital signals). Discover the cDAQ platform and its system components.
In an NI CompactDAQ system, a chassis is equipped with at least one I/O module with built-in signal conditioning that provides direct sensor connectivity, and is then connected to your laptop/PC via USB or Ethernet. The hot-swappable I/O modules support a wide range of input and output types. Furthermore, the CompactDAQ platform is designed for operating temperatures from -40 to 70 °C and withstands up to 50 g shock and 5 g vibration.
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BNC connectors (several modules) have two signal pins and secure the cable to the module with a union nut with quarter turn on the module.
Screw terminal connections require a flat-blade screwdriver to close a metal clamp that disconnects the exposed signal wire.
RJ50 (strain/load) is a variant of the ubiquitous RJ45 used for copper Ethernet connections, but the connectors and tools are not compatible. RJ50 has 10 pins. Purchase RJ50 cables and dongles from NI that convert to screw terminals, or obtain a crimp tool and use RJ50 connectors to wire sensor cables directly to the module.
The 10-32 coaxial jack or “Microdot” uses two pins and a threaded sleeve for cable fastening. This is a common connector for accelerometers and microphones where space is limited.
Spring terminal connections use an internal spring mechanism to clamp exposed signal wires. Use a small precision screwdriver with flat blade to open the cage clamp. Remove the screwdriver after inserting the exposed signal wire.
D-Sub connections—named after the D-shaped metal shell—are a mass-connection option using pin-and-socket contacts. Multiple connection methods exist, including off-the-shelf cables and terminal blocks, module-mounted screw terminal blocks, and soldering custom cables with commercial D-Sub solder-cup kits.
Preconfigured sets consisting of a chassis, sensor measurement modules, and corresponding accessories of the most popular cDAQ DAQ hardware for voltage, temperature, sound and vibration, or strain and load measurements:
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FlexLogger is application software for data acquisition in physical testing. Use FlexLogger to obtain verification or validation test data. Configure channels and log data effortlessly without programming. Handle project changes easily in more complex tasks such as basic automation, triggering, and alarms.
LabVIEW software is used for applications in testing, measurement, control, and automation. LabVIEW can be extended with real-time capabilities, graphical programming, and a wide range of toolkits that provide specialized functionality for specific applications, ensuring seamless integration between hardware and software.
As an Authorized Training Partner for seminars and hands-on training, we provide consulting and training from a single source. Courses for basic and advanced levels with certified instructors—LabVIEW, TestStand, NI-DAQmx, DIAdem, and more. Available for beginners and professionals in English or German.
Deepen your expertise in NI applications and learn alongside peers who share your professional interests.
You are not quite sure yet or have further questions about the products? Do not hesitate to contact us. Whether directly on the phone or via online demo conveniently in front of your screen - our experts are there for you.
