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DC Power Supplies

All electronic circuits containing loads require power supplies. Some loads require AC power supplies while others are designed to run on DC supplies. Power supplies are designed to carry out multiple conversions of energy to meet the diverse demands of the different parts of the loads they drive. Systems with complicated circuitry obviously require more energy conversions than simple circuits that may have fewer parts. Different variants come as stand-alone models, while others are embedded within the loads they are supposed to drive.

Frequency Counters

Frequency counters have endless applications. Some include research and development, manufacturing, aviation, converter calibration and automotive applications. Find a wide selection of professional frequency counters to fit your need. 

Function Generators

A function generator is one of the most common test equipment units in an electronics lab. This testing solution enables engineers to replicate a wide variety of waveforms including triangular, sine, square, and sawtooth. Today’s function generators are powerful and they are designed to deliver the performance required by modern technology. Compared to their predecessors, they offer impressive speed and precision and have become a staple in modern metrology laboratories.

Function generators continue find applications in various industries. They are extensively used by engineers and technicians in research and design, development, manufacturing, and testing of electronic systems. 

Heat Stress Monitors

The QUESTemp Series of area heat stress monitors utilizes WBGT (Wet Bulb Globe Temperature) sensing technology; the standard for heat stress management. These instruments are designed to withstand the rigors of everyday use in demanding environments

Logic Analyzer

A logic analyzer is an electronic instrument that captures and displays multiple signals from a digital system or digital circuit. A logic analyzer may convert the captured data into timing diagrams, protocol decodes, state machine traces, assembly language, or may correlate assembly with source-level software.


A multimeter or a multitester , also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter can measure voltage , current , and resistance . Analog multimeters use a microammeter with a moving pointer to display readings.

Optical Power Meter

Optical Power Meter


Oscilloscopes are used to observe the change of an electrical signal over time, such that voltage and time describe a shape which is continuously graphed against a calibrated scale. The observed waveform can be analyzed for such properties as amplitude,frequency,rise time, time interval,distortion and others. Modern digital instruments may calculate and display these properties directly. Originally, calculation of these values required manually measuring the waveform against the scales built into the screen of the instrument.

Power Analyzers

A power line analyzer is one of the most important tools used for measuring and testing various parameters of a power line. Available in different types and sizes to meet the various challenges encountered by users, they differ in complexity and functionality depending on the application they are designed for and the technology they are based on.

One of the most important specifications of a power line analyzer is the input ratings it is designed for. These ratings change from one type to another depending on the intended use of a testing solution. Important specifications that may influence the suitability of a power line analyzer include the input frequency and the communication frequency of a power line. Using a power line analyzer for applications outside the rated specs may result in unreliable results or damage to the equipment. This should be avoided at all times.

Power Off Testing

Adding diagnostic tools to enhance your circuit board test capabilities is an important part of any electronic repair environment. Power-off circuit board test uses analog signature analysis to detect and isolate component faults on boards beyond power-on functional testing. By comparing Tracker signatures from a working circuit board to the signatures of a non-working board, you can troubleshoot down to the component level.

RF Power Meters

RF Power meter signals must be precise and of good quality in order to replicate and measure the output of the equipment to be tested. Types of equipment that can be tested with the RF Power Meter include; cellular telephones, radar system equipment and communication base station transmitters. As technology continues to improve and new design methods are created, signals become more complicated. They are more complicated to test and precise power measurements are required. Todays Power Meters must be of good quality, be able to produce a variety of clear and precise frequencies, and offer a wide range of power.

Signal Generators

Engineers and technicians use signal generators whenever there is a need to replicate signals. This testing solution enables users to replicate a wide selection of waveforms including digital, analog, ideal, distorted, standard, and custom. The applications are diverse, and they include R&D, manufacturing, and servicing of electronic signal systems. Test Equipment Connection carries the widest variety of New and used signal generators, from 1Mhz to 70GHz. 


In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. It is more specific than the general term electromagnetic spectroscopy in that spectrophotometry deals with visible light, near-ultraviolet, and near-infrared, but does not cover time-resolved spectroscopic techniques.


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