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AC-DC adapters accept AC input voltage directly from a wall outlet, and output DC voltage.
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Analog multimeters are instruments that are used to measure electrical quantities such as voltage, current, resistance, frequency and signal power
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Analog voltmeters are instruments that measure voltage or voltage drop in a circuit. They display values on a dial, usually with a needle or moving pointer.
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Audio amplifiers and preamplifiers are units that amplify a sound signal, which is then sent to a speaker or another amplifier.
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Bit error rate testers are devices or procedures that measure the bit error rate (BER) for a specific transmission.
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Cable testers are handheld or benchtop electronic devices that measure the electrical and physical properties of network cabling.
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Calibration instruments use electrical signals or physical quantities to calibrate sensors and meters. Devices that produce electrical signals can serve as precise meters for sensor calibration, or send output signals to other devices.
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Calibration standards and reference sources include any source that can provide a reference for the calibration of an instrument or comparison of a material or component.
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Chart recorders and strip charts are data acquisition tools used to generate a plot, graph or other visualization of data versus time.
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Circuit breakers are mechanical switching devices capable of breaking currents under specified abnormal circuit conditions.
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Clamp meters are ammeters that can measure current without the need to disconnect the wires where the measurement occurs. They provide information about current draw and current continuity in order to help users troubleshoot erratic loads and trends.
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Computer printers and plotters are used to output industrial data in printed form.
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Current sources provide reliable current for electrical component testing and for powering specialized components.
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Data acquisition is the digitizing and processing of multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes. Signal conditioning includes the amplification, filtering, converting, and other processes required to make sensor output suitable for rereading by computer boards.
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Data acquisition output modules or cards transfer amplified, conditioned, or digitized signals.
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Data acquisition systems and instruments collect, digitize and process multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes.
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Data loggers and data recorders acquire digital data from sensors and other signals. They are primarily used to store data for subsequent downloads to a host PC, but may also include real-time features such as monitors and alarms.
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DC power supplies accept an input power and output the desired form of DC power. Common types of DC power supplies include linear power supplies, switching power supplies, DC-DC converters, and silicon controlled rectifier (SCR) type power supplies.
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Decade boxes and dividers provide highly accurate and digitally variable standard values of resistance, capacitance, inductance, voltage and/or current for calibration, comparison and testing.
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Digital ammeters are instruments that measure current flow in amperes and display current levels on a digital display. These devices provide information about current draw and current continuity in order to help users troubleshoot erratic loads and trends
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Digital multimeters (or multi-meters) are used to measure electrical quantities such as voltage, current, resistance, frequency, temperature, capacitance, and time period measurements.
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Digital resistance meters are instruments that measure electrical resistance. They use solid-state components and display values digitally.
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Digital thermometers are portable temperature sensing devices that have permanent probes and a digital display.
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Digital voltmeters are instruments that measure voltage or voltage drop in a circuit. They use solid-state components and display values digitally.
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Diode lasers use light-emitting diodes to produce stimulated emissions in the form of coherent light output. They are also known as laser diodes.
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Electrical power generators transform mechanical energy into electrical energy, typically for backup or emergency power. Generators can produce either AC or DC power and are typically powered by a fuel engine.
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Electromechanical counters and electromechanical timers accept inputs to operate mechanical display, such as rotating wheels or knobs.
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Electronic counters and electronic timers are completely electronic units for performing a variety of counter or timer functions.
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Electronic loads and load banks are used to test electrical and electronic equipment. They mimic load requirements for testing and troubleshooting purposes.
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Equipment rental and leasing services handle a wide variety of equipment, machinery, and instruments, which their clients can use for a fee, for a determined amount of time.
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Fiber optic attenuators are devices that reduce signal power in fiber optic links by inducing a fixed or variable loss. They are used to control the power level of optical signals at the outputs of light sources and electrical-to-optical (E/O) converters. They are also used to test the linearity and dynamic range of photo sensors and photo detectors.
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Fiber optic test equipment is used to detect the signal loss/change through a fiber optic cable.
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Frequency counters are digital indicating meters for accurate measurement and display of square wave and pulse input signals.
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High voltage power supplies use linear technology to provide one or more DC outputs at voltage levels of hundreds or thousands of volts.
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Hipot testers are electrical safety test devices that perform a variety of electrical compliance tests.
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Industrial carts and industrial trucks are used to transport equipment or materials. There are many different types of products.
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Instrumentation amplifiers are differential amplifiers that have been optimized for use with DC signals. They are characterized by high gain, high common mode rejection ratio (CMRR), and high input impedance.
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Lasers are devices that produce intense beams of monochromatic, coherent radiation. The word “laser” is an acronym for Light Amplification by Stimulated Emission of Radiation.
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LCR meters and impedance meters measures inductance (L), capacitance (C), and resistance or impedance (R).
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Logic analyzers are used to characterize and debug hardware, design and test firmware and software, and perform synthesis integration.
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Network analyzers and protocol analyzers are test equipment used to troubleshoot and analyze network problems.
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Network test equipment is used to test, probe, and analyze telecommunication, network and telephone systems.
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Noise generators and sources are used to produce noise outputs for testing radio frequency (RF) equipment.
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Optical spectrum analyzers (OSA) can divide a lightwave signal into its constituent wavelengths. This means that it is possible to see the spectral profile of the signal over a certain wavelength range.
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Oscilloscopes translate an electronic signal into a pattern or waveform on a screen. As it is traced across the screen, the waveform creates a signature of the signal's characteristics.
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Power meters and wattmeters are used for high-accuracy measurements of power over a wide-frequency bandwidth, and from both AC and DC circuits.
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Power rectifiers are electrical devices that convert alternating current (AC) to direct current (DC). They are an integral part of telecom rectifiers for the telecommunications industry, and in battery chargers, DC power systems, and other power system devices.
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Power supplies are devices that produce AC or DC power. This grouping includes current sources, DC power supplies, AC-DC adapters, DC-DC converters, AC power sources, and DC-AC inverters.
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Programmable power supplies are digitally controlled power sources that provide accurate and adjustable levels of voltage, current, and frequency. They include a processor, voltage/current programming circuits, current shunt, and voltage/current read-back circuits.
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Resistors are electrical components that oppose the flow of either direct or alternating current. They are used to protect, operate, or control circuits.
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Resistors and potentiometers are passive electronic components that oppose the flow of either alternating current (AC) or direct current (DC).
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RF attenuators are circuits that reduce the power level of a signal by a certain amount (gain), with little or no reflection. They reduce the output signal with respect to the input and measure the power reduction in decibels (dB).
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RF test equipment generates test signals or analyzes transmitted signals from RF components or equipment.
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RF transformers transfer energy from one circuit to another by electromagnetic induction. Typically, they are used to increase or decrease voltage as it passes from one side through the other.
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Scalar network analyzers measure the amplitude portion of scattering or S-parameters, reflection and transmission coefficients between the incident and reflection waves that describe a device’s behavior under linear conditions at the microwave frequency range.
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Signal amplifiers accept signals from sensors and other devices and amplify them to levels suitable for further processing or digitization by computer elements.
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Signal conditioning products provide amplification, filtering, converting, and other processes required to make sensor output suitable for reading by computer boards.
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Signal generators and waveform generators are used to test and align all types of transmitters and receivers, to measure frequency and to generate a signal, waveform or noise source. Signal generators can use AC energy, audio frequency (AF) and radio frequency (RF) to function.
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Spectrometers are analytical instruments which disperse an emission (such as particles or radiation) according to some property of the emission (such as mass or energy) in order to measure the amount of the dispersion. This product area includes visible, infrared (IR), ultraviolet (UV), atomic absorption (AA), optical emission (OE), Raman, X-ray fluorescence (XRF) and mass spectrometers. Specific search forms are also available.
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Spectrum analyzers and signal analyzers display raw, unprocessed signal information such as voltage, power, period, wave shape, sidebands, and frequency. They can provide the user with a clear and precise window into the frequency spectrum.
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Temperature indicators and temperature instruments are designed for temperature monitoring and analysis. These devices either come equipped with an integral sensor, or require sensor input.
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Temperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches.
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Test equipment and instrument rental services rent or lease test equipment for electrical, electronic, vibration, acoustic, dimensional, NDT, analytical, environmental, process, EMI/RFI, and other specialty testing, measurement or inspection applications.
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Electric test probes are used to establish a connection between a circuit under test and the measuring instrument.
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Optical time domain reflectometers (OTDR) measure the elapsed time and intensity of light reflected along an optical fiber. They are useful tools for locating problems in an optical network as they can compute the distance to breaks or attenuation.
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Used and refurbished equipment suppliers specialize in used and refurbished equipment and instruments. Suppliers may have the personnel and/or equipment needed to completely overhaul or rebuild equipment or instruments.
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Voltage dividers and voltage references provide highly-accurate reference voltages for calibration and testing purposes.
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Wavelength division multiplexers (WDM) are passive devices that combine light signals with different wavelengths, coming from different fibers, onto a single fiber. They include dense wavelength division multiplexers (DWDM), devices that use optical (analog) multiplexing techniques to increase the carrying capacity of fiber networks beyond levels that can be accomplished via time division multiplexing (TDM).
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