Total Harmonic Distortion
Is a measure of a signal's sum power of all harmonic components to the power of the fundamental frequency.
See Also: Distortion, Intermodulation Distortion, THD
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AC-DC Power Supply Solutions
Advanced Conversion Technology, Inc
From single to three phase inputs, 60 Hz or 400 Hz, ACT can provide you with a design to meet your demanding applications. ACT can also provide designs that incorporate an active PFC front end, single and three phase, which provides less than 3% total current harmonic distortion.
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LCD Power Meters
Accuracy ±0.1% F.S. Measuring and display ACV/ACA/Watt/Var/VA/Power Factor/Frequency/KWH/DM(Demand) Input measurement network can be selectives(1P2W/1P3W/3P3W/3P4W) CT rate/PT rate can be modified(1 to 9999) Measuring ACV/ACA total harmonic distortion(THD),up to 35th harmonic(optional) Two alarm control function (optional) Two pulse output function (optional) Digit RS-485 interface function (Optional)
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Power Analyzers & Wattmeters
Measurements International Ltd.
Direct Replacement for 2010A Wattmeter in the AccuLoss® Loss Measurement Systems, Basic Power Accuracy < 0.005 %, 10 Current Ranges, 2 Voltage Ranges, Line-and-Line and Line-to-Ground Voltage Measurements, Full Power Factor Range, Complete Waveform Analysis, Total Harmonic Distortion Analysis, Phasor Analytical Representation.
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Adjustable High Frequency Reference Ballast
HCS-109A
HCS-109A Adjustable High Frequency Reference Ballast also called High Frequency Current Source. Comparing to IEC Test Method, HCS-109A is an Equivalent Test Method which is economic solution. HCS-109A equipped with Spectrophotometer & Integrating Sphere Test System. It can also measure the photo, color and electricity parameters for high frequency fluorescent lamp.Specifications: • Input voltage: 200V~240V, 50/60Hz • Input Power: 80 W max • Output Current: 130mA~400mA (Adjustable), accuracy: +/- 1% • Output Frequency: 25kHz< +/-2.0% (Adjustable), accuracy: +/- 0.3kHz • Output current total harmonic wave distortion: THD<2.5% (HF current wave)
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mAEStro Audio Analog to Digital Converter
The mAEStro AADC-100 accepts balanced stereo analog audio inputs and converts them into a single digital bit stream in compliance with the AES/EBU (AES3) and S/PDIF digital audio standards. It generates 24-bit values and uses 128 times over-sampling for extremely accurate and linear analog to digital conversion, as well as offering a high dynamic range with exceptionally low total harmonic distortion and noise.
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AC Power Source, Frequency Converter
BL1350 Series
Behlman's BL1350 AC Power Supply / Frequency Converter / Inverter, requires just 3.5" of rack height, and weighs as low as 45 pounds, yet it delivers 1350 VA of quality AC power. In the BL 1350, you'll find the quality features you expect from Behlman, fully adjustable frequency and voltage, total harmonic distortion of less than 0.5%, high efficiency, plus excellent line and load regulation.
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Power Quality Meter
Qualstik
The Qualstik Power Quality Meter has been developed specifically for measurement of four important items of power quality in the electric utility industry. These are Current, True Power Factor, Total Harmonic Distortion and the Direction of Current Flow.
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G.fast Transformers
Our line of G.fast transformers are the preferred choice of engineers seeking the most reliable, functional isolation transformers for G.fast transmission. These compact transformers deliver excellent longitudinal balance and total harmonic distortion performance.
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AC / DC Digital Power Analyzer
4016（800Vp,20Arms/200Ap）
To analyze AC/DC power source, it requires a lot of parameters. Such as voltage(V), current(A), power factor(PF), Total Harmonic Distortion(THD), Crest Factor(CF), Inrush current, etc. To meet power saving regulation, the standby power measurement must be done. In this video I will show you how to operate this Prodigit Power Analyzer 4016. Furthermore, I explain what the parameter's meaning.
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Ultra-Low Distortion Function Generator
DS360
Stanford Research Systems, Inc.
The performance of a low distortion analog source and the precision of direct digital synthesis (DDS) is combined in the DS360. With less than 0.001 % total harmonic distortion (THD), 25 ppm frequency accuracy, and a broad range of features including sweeps and bursts, the DS360 is the ideal source for audio frequency applications.
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Clamp-on Meter
SDC96
True RMS for AC measurement. Total harmonic distortion [50Hz/60Hz] for AC. Measurement. Peak measurements. Measures up to 700 AC/DC amps
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Digital Power Meter (High Accuracy Model)
LS2050
LS2050 digital power meter is a new generation intelligent product which adopts digital sampling technology to analysis of the waveform. It has the following features: • Three windows digital display which reduces reading error, intuitive and convenient • Adopts high speed MCU and high precision A/D to control and measurement • All measured data as virtual value, also suit to signal waveform distortion • Fast test • Equipped with RS232 communicate function, can use upper computer software to carry on remote operation, control and read corresponding data, the test data and waveform could be displayed in the PC, Chinese and English operation interface, high intelligent instrument • This instrument provides two kinds of method to calculate total harmonic distortion (THD), IEC and CSA.
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Operational Amplifiers
Operational amplifiers from ams are ideally suited to audio applications. These CMOS devices are available as single, quad or differential amps. They feature good common-mode rejection, have low input bias currents, good gain bandwidth, low total harmonic distortion and an excellent rail-to-rail output-drive capability of 200mA peak.
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Power Quality Analyzer
Power quality analyzer is a product carefully developed by our company and specially designed for field test of three phases, multi-functional and intelligent, man-machine operation and concise and comprehensive test instrument. It is easy to use, large LCD screen display, high resolution, interface in both Chinese and English, shock-proof shell structure and so on. Can simultaneously measure the 4-channel current (ABC three phase and neutral wire current), 4-channel voltage (ABC three-phase voltage and neutral line voltage to ground), the peak value of current voltage, maximum/minimum value over a period, three-phase imbalance factor, short-time voltage flicker, transformer K factor, active power, reactive power, apparent power, power factor and displacement power factor, active power, reactive power, apparent power, total harmonic distortion and harmonic, etc; Display real-time waveform, harmonic ratio bar charts of current voltage; Dynamically capture instantaneous change of voltage current, monitoring starting current, monitoring the power parameters and generate the alarm list, generate the trend chart for a long time record test data.
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Distortion Analyzer
SINAD
SINAD utilizes the latest in Digital Signal Processing (DSP) technology to accurately measure several key performance characteristics of radio receivers by analyzing the spectral content of a received audio signal.
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Harmonic Filters
ENTES Harmonic Filter Reactors are used in serial connection with capacitor banks in power factor correction units. By using these types of detuned reactors it is possible to increase the capacitor impedance against harmonic currents and to keep the resonance frequency under the frequencies in which main harmonic currents occur by shifting the resonance frequency.
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Total Stations
Zoom50 Series
When you need highest performance on all levels even under most challenging conditions, the GeoMax Zoom50 series is the perfect choice for you. The longer measurement range means a wider operational coverage and significant less time lost with switching setups. The new PowerLock protection mechanism prevents use by unauthorized persons and deters theft.
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Components - Harmonic Mixers (WHMB)
WHMB Series
Farran Technology manufactures a comprehensive range of waveguide harmonic mixers for use with industry standard spectrum analysers and other custom applications. Models WHMB are fully calibrated broadband balanced diode units covering 26.5-110 GHz in standard waveguide bands. We also offer a low cost general purpose model WHMP covering 26.5-170 GHz.
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Multifunction Power & Harmonics Analyzer
KM 2100 / KM 2200
Kusam Electrical Industries Limited
Volts / Amps. / Hertz, Dips & Swell, Power / Energy. Unbalance, Monitor, Scope, Harmonic, Logger &, Interruption functions. (KM 2200). Inter Harmonics, Transient Voltage, Inrush Current, Flicker function not available in KM 2200. Frequency upto 400Hz (KM 2100); 50 / 60Hz (KM 2200). Single-phase 2W / Single-phase 3W / 3-phase 3W / 3-phase 4W. Flash memory 128MB. TF Card 8G Memory Card for long-term measuring data storage. Support USB port to connect to PC and analyze the data / screen shots copied by U-disk. Support LAN port to make the remote control available, transfer the measuring data.
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Total Stations
Zoom40 Series
The Zoom40 manual total station, with its high resolution color and touch display, gives you the flexibility to run X-PAD, Field Genius, SurvCE, or any custom windows CE software.
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Total Organic Carbon
Teledyne LABS’ brand of Total Organic Carbon (TOC) analyzers provide unparalleled accuracy, precision, throughput and robust construction for water samples varying in quality from semiconductor-grade to municipal wastewater. All our pharmaceutical instruments have available 21 CFR Part 11 software tools for your compliance needs, as well as validation documentation, services and training.
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Total Reduced Sulfur System
ML670
The ML®670 Total Reduced Sulfur (TRS) system provides an accurate and convenient method of measuring Total Reduced Sulfur required for Emission Monitoring. The TRS system uses our specially designed TRS Dilution Sampling System combined with the T-Series® TRS analyzer to provide reliable TRS measurement. This system can be configured as an Open Architecture Design for ease of maintenance.
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Solar Total Pyranometers
SK08 & SK08-E
The Middleton SK08 is an affordable pyranometer for the measurement of global solar irradiance on a plane surface. It meets the international accepted specifications for a good quality pyranometer. The SK08 incorporates a passive thermoelectric sensor. The SK08-E version has an inbuilt signal amplifier.
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Harmonic Filter Resistors
The widespread use of nonlinear loads such as power electronics based equipment and electric arc & ladle melt furnaces all around the world hinder the quality of electric power. One of the most important parameters for defining the power quality is harmonic distortion.
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Total Organic Carbon Analyzer
TOC-L Series
The TOC-L series of TOC analyzers adopts the 680°C combustion catalytic oxidation method, which was developed by Shimadzu and is now used worldwide. While providing an ultra wide range of 4 μg/L to 30,000 mg/L, these analyzers boast a detection limit of 4 μg/L through coordination with NDIR. This is the highest level of detection sensitivity available with the combustion catalytic oxidation method. In addition, the combustion catalytic oxidation method makes it possible to efficiently oxidize not only easily-decomposed, low-molecular-weight organic compounds, but also hard-to-decompose insoluble and macromolecular organic compounds.
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Universal Total Stations
SPS730 And SPS930
Nothing else comes close. Trimble Universal Total Stations lead the industry in accuracy, range and reliability for fine grading, paving, stockpile scanning and site measurements.
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Arbitrary Load Control For Modulation Distortion
S94570B
Extend the modulation distortion application by computing figure of merits such as EVM and ACPR for any desired load with arbitrary load control (ALC). Modulation distortion with ALC integrates the powerful capabilities of the PNA-X with an electromechanical tuner so a non-50 Ω load can be presented to the DUT and changes in device performance or sensitivity to varying load conditions can be accurately measured.
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USB Harmonic Comb Injector
J2150A
The USB Harmonic Comb Injector is a fast, easy-to-use, ultra-portable signal generator for interrogating your PDN to identify noise sensitivities. Quickly identify power supply related issues. Multiple modes include time and frequency jitter. Wideband harmonic comb spans 1kHz-1GHz+. Great for clock power supply EMI spectrum testing.
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Fuzz & Distortion Pedals
A fuzz pedal takes your sound and clips it extremely hard - known as square-wave clipping - thereby compressing the distortion to make an almost unrecognisable sound.
