Use of electronics and capacitive-based position sensing have transformed the caliper, a fundamental and essential instrument of precision linear-dimension measurement. Part 1 of this FAQ looked briefly at the basic mechanical, Vernier, and dial-readout calipers, as well as the micrometer. All these mechanical-only embodiments of the caliper were made obsolete within a few years with […]
Electrical tester calibrator helps comply with new regulatory standards
The 5322A Electrical Tester Calibrator is a multi-device calibrator built to facilitate compliance with exacting international standards such as the UK’s BS7671 17th Edition, IEC/EN Standards, Australia and New Zealand’s AS/NZS 3000 and Chinese verification/calibration regulations for various electrical testers. The 5322A combines many functions into a single instrument, replacing discrete resistors, decade boxes, and […]
Digital caliper, Pt 1: Background and predecessors
Use of electronics and capacitive-based position sensing have transformed the caliper, a fundamental and essential instrument of precision linear-dimension measurement. Making precise measurements across small distances of up to several inches or tens of centimeters is an obvious and fundamental requirement of modern metrology, research, and mass production. But how can that be done accurately, […]
Rackmount data acquisition system does data analytics via cloud connection
The Third Generation Black Diamond Rackmount (BDR-3) measurement and monitoring system collects data from precisely synchronized analog channels and processes the data with advanced state-of-the-art Field Programmable Gate Array (FPGA) technology. It connects to a real-time Key Value Store (KVS) and to AlgoCentral cloud to provide real-time data analytics, processing, and graphing. The BDR-3 acquires […]
Modulated RF power amps for pre-compliance immunity testing
The TekBox TBMDA2/TBMDA3 Modulated Wideband Power Amplifiers are designed to create an inexpensive signal source for pre-compliance immunity testing of electronic PCBs and products. Driven by the tracking generator output of a spectrum analyzer, they provide the increased RF power outputs required by many test environments. With an input power range of up to -8 […]
Portable, 4-in-1 26.5 GHz calibration kits for T&M, field testing, antenna measurement and cable verification
A new line of 4-in-1 3.5-mm calibration kits for test and measurement, field testing, antenna measurement and cable verification applications consists of two models, both with a compact, lightweight, 4-in-1 design package. These short-open-load-through (SOLT) calibration kits have a 26.5-GHz calibration capability. They feature gold-plated 3.5-mm connectors and a handy lanyard. Plus, they are available […]
Ethernet data logger provides 1-wire interface for up to eight sensors
The TCW220 Ethernet data logger has two analog inputs, with 10-bit resolution and two discrete inputs. It supports a 1-Wire interface for up to eight Teracom 1-Wire sensors – carbon dioxide, 0/20mA, AC/DC current, temperature, humidity, etc. All monitored parameters can be logged on previous set time intervals and/or on alarm conditions. The memory is large […]
High-rez digitizers, co-processors come in PXI format
NI, the provider of platform-based systems that enable engineers and scientists to solve the world’s greatest engineering challenges, announced today a new PXI FlexRIO architecture that integrates mezzanine I/O modules with Xilinx Kintex UltraScale FPGAs. The first wave of products based on this new architecture includes two high-resolution PXI FlexRIO Digitizers, three dedicated PXI FlexRIO […]
Miniature data recorder rated for IP68
The new SLICE IP68 data acquisition system is designed to capture physical signals in challenging environments. Targeted at applications with size or mass constraints, SLICE IP68’s 60×60-mm footprint makes it easy to embed in most test articles. The rugged housing is impervious to shock, water, and dust, making SLICE a candidate for testing in inclement […]
Characterizing sinusoidal signals with equations
Mathematics is the language we use to understand and communicate our knowledge about electrical relationships. It is easy to get overwhelmed by some of the complexity involved. The best approach is to begin at the most fundamental level and take it from there. Consider the realm of sinusoidal signals. First, a definition: A sinusoidal signal […]
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