High accuracy PXI/PCI precision resistor modules offer long life

16th April 2019
Lanna Cooper

Pickering Interfaces has launched two new families of high density, high accuracy, precision programmable resistor modules in modular PXI and PCI formats for easy system integration. The 40-298 (PXI) and 50-298 (PCI) modules are each available in 50 standard configurations with up to 18, offering a huge choice of resistor channel count, resistance range and resistance setting resolution for a wide variety of functional test system applications.

The new precision programmable resistor modules target any application that requires the simulation of resistive sensors or any other resistive component, such as Engine Control Unit (ECU) production for the automotive, defense and aerospace markets where the sensors provide information on parameters such as temperature and altitude.

Channels can be set as short or open circuit to simulate a wiring or sensor fault. Both module families are available with resistance values from 2Ω to 22MΩ with resistance resolution to 0.125Ω, accurate to ±0.2% ± resolution. 

Paul Bovingdon, Simulation Product Manager commented: "The new precision programmable resistor cards are fitted with Pickering's instrumentation-grade reed relays for superior speed of operation and module life. Software control is simplified by the use of resistor value calls. The card works out the channel setting closest to the requested value and sets that value. The user can interrogate the card to find the actual resistance setting used. An optional cable that connects to a DMM simplifies the checking of the card's calibration."  

The 40-298 (PXI) and 50-298 (PCI) modules are compatible with a wide range of chassis including PXI, PXIe Hybrid and Pickering USB/LXI chassis for flexible system integration. Pickering Interfaces stands behind all of its manufactured products with a standard three-year warranty and guaranteed long term product support.

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