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194478C-01L

The National Instruments PXI-4022 is a 6-wire PXI amplifier module for digital multimeters with low-EMF, gold plated inputs, supporting ≤ 250V signals.

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    Description

    The product detailed in this specification is the National Instruments PXI-4022 PXI Amplifier Module, denoted by part numbers 194478C-01L / 779614-01. This module falls under the category of PXI Multimeters, designed specifically for enhancing measurement capabilities in diverse applications.

    The PXI-4022 model is distinguished by its unique functionality as a 6-Wire, Guard and Current PXI Amplifier Module. It is primarily intended for use with Digital Multimeters, making it a versatile tool for professionals requiring high precision in their measurements.

    One of the key features of this module is its Low-EMF, low-leakage, gold plated, solid copper input terminals, which are engineered to provide superior signal integrity and minimize measurement errors. The module is categorized under Measurement Category II, with a signal voltage capacity of ≤ 250V and a surge voltage capability of up to 2,500 V, ensuring robust performance even under demanding conditions.

    The PXI-4022 boasts an impressive input impedance of greater than 1010 Ω, coupled with an input bias current of less than 5 pA, highlighting its ability to handle high impedance sources with minimal error. Furthermore, the module provides a maximum output voltage range of ±12 V and a maximum output drive current of ±15 mA, offering ample power for a wide array of applications.

    Additionally, the module comes equipped with comprehensive overvoltage protection, including Guard out, Guard In “+”, and Guard In “-“, to safeguard the device against potential damage from unexpected voltage spikes, ensuring long-term reliability and safety during operation.

    Question 1: What is the max signal voltage for PXI-4022?
    Answer 1: ≤ 250V

    Question 2: Does PXI-4022 support 6-wire measurements?
    Answer 2: Yes, it’s a 6-wire PXI amplifier module.

    Question 3: What is the input impedance of PXI-4022?
    Answer 3: > 10^10 Ω

    Question 4: What’s the max output current of PXI-4022?
    Answer 4: ±15 mA

    Question 5: Is the PXI-4022 input biased current under 5 pA?
    Answer 5: Yes, less than 5 pA.

    Specification Detail
    Part Number 194478C-01L / 779614-01
    Category PXI Multimeters
    Model PXI-4022
    Description National Instruments PXI-4022 PXI Amplifier Module
    Functionality 6-Wire, Guard and Current PXI Amplifier Module
    Application For use with Digital Multimeters
    Input Terminals Low-EMF, low-leakage, gold plated, solid copper
    Measurement Category II
    Signal Voltage ≤ 250V
    Surge Voltage Up to 2,500 V
    Input Impedance >1010 Ω
    Input Bias Current < 5 pA
    Max Output Voltage Range ±12 V
    Max Output Drive Current ±15 mA
    Overvoltage Protection Guard out, Guard In “+”, and Guard In “-“