PXI-4060 - NI Digital Multimeter

Description

The PXI-4060 (Part number: 777554-01) from National Instruments performs precise estimations of 5½ digits of DC voltage and current, AC rms voltage and current, and resistance (ohms). The NI PXI-4060 multimeter is intended for use in automated production testing, portable field testing and electronic desktop testing. The NI PXI-4060 contains comes with several test probes with security banana plugs. These probes meet global security necessities, including UL 3111 and IEC 1010-1, for the full scope of uses upheld by the PXI-4060. Before utilizing any tests or extras not provided by National Instruments, it is recommended for the user to check that they meet appropriate security necessities for the signal levels that are expected. The required warm-up time for the NI PXI-4060 is 30 minutes. This warm-up time is essential since estimations made with the NI PXI-4060 Digital Multimeter can change with temperature. This change is known as a thermal drift and is impacted by temperature coefficients. To limit the impacts of thermal drift and guarantee the predefined accuracies, take all estimations after the NI PXI-4060 has an opportunity to completely warm up. This model includes an Autozeroing feature, which is a technique that evacuates the impact of temperature drift on the estimation exactness. Autozeroing detaches the outer signals from the circuit, internally shorts the input of the NI PXI-4060, and takes an estimation. Ideally, this esteem ought to be zero; autozeroing automatically eliminates this error. By estimating the incentive value with the input leads inside shorted, autozeroing naturally eliminates this mistake. Autozeroing is not upheld in AC voltage, AC current, and diode modes.

Optical coupler input, relay output, digital IO module PXI bus 48 digital input and output module provides 24 optical coupling isolated input channels, 24 solid-state relay isolated output channels, input channel level voltage is 80VDC high, output channel switching level is 80VDC high, switching current is 160mA high, the channels are isolated from each other. Connector Type SCSI-100 female connector. peculiarity ◆ Isolation between channels ◆24 optical coupler input ◆24 solid state relay output ◆ Maximum 80V input/output voltage range ◆ Programmable input filter to eliminate buffeting ◆ Switching current 160mA ◆ Relay on-resistance: 1ω ◆ Input change detection ◆ Programmable power-on status setting Application program ◆ Automotive, aviation, industrial monitoring applications ◆ Aviation and laboratory research ◆ Biochemical automatic test and measurement

Analog input module is a device used to collect and process analog signals, which is usually composed of analog input circuit, analog-to-digital converter (ADC), filter and interface circuit. The analog input circuit is responsible for converting the external analog signal into a voltage or current signal, and then converting the analog signal into a digital signal through an analog-to-digital converter, and finally filtering and enhancing the signal through a filter, and finally output to a computer or other control equipment for processing and analysis. Working principle 1. Analog input circuit: The analog input circuit is a key part of the analog input module, which is mainly responsible for converting the external analog signal into a voltage or current signal. Common analog input circuits include resistance divider circuit, current voltage circuit and so on. The resistance divider circuit realizes the signal conversion through the series parallel combination of resistors, and the current voltage circuit realizes the signal conversion through the product of current and resistance. 2. Analog-to-digital converter (ADC) : The analog-to-digital converter is the core component in the analog input module, which is responsible for converting analog signals to digital signals. The analog-to-digital converter discretizes the input voltage or current into a series of digital values according to its magnitude, and converts the continuous analog signal into a discrete digital signal through a process of sampling and quantization. Common analog-to-digital converters include successive approximation analog-to-digital converters and integral analog-to-digital converters. 3. Filter: The filter is an important part of the analog input module, which is mainly used to filter and enhance the signal. The filter can improve the quality and stability of the signal by removing high-frequency noise and interference signals, thus improving the accuracy and reliability of subsequent processing. 4. Interface circuit: The interface circuit is the connection bridge between the analog input module and the computer or other control equipment, which is responsible for converting the digital signal into a form that the computer or other control equipment can recognize and process. Interface circuit usually adopts serial communication interface or parallel communication interface, and realizes data exchange and communication with computer or other control equipment through data line and control line.

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