Speaker Impedance
measure of resistance a speaker puts on an amplifier.
See Also: Speaker, Microspeaker, Loudspeaker, SPL
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Product
Speaker Component Checker
Cab Driver
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Whirlwind Music Distributors, Inc.
The CAB DRIVER is a test device for checking the operation of the speaker components within enclosures. A pink noise signal source is sent through pushbutton selectors to an assortment of speaker connectors, including Speakon NL8 and NL4, 1/4" TS and banana jacks. Speaker/ Polarity/ Impedance/ Pink Noise Generator
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Product
Impedance Analyzer, 1MHz to 500 MHz/1 GHz/3 GHz
E4991B
Impedance Analyzer
The E4991B Impedance Analyzer has a frequency range of 1 MHz to 3 GHz. The E4991B provides 0.65% basic accuracy over a wide impedance range with a 40 V built-in DC bias source (Option 001). The equivalent circuit analysis function supports seven different multi-parameter models and helps you to simulate your own equivalent parameter values of components.
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Speaker Test
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Determines speaker polarity by analyzing a proprietary signal. See our new demo video of this module. Measures woofers, midrange, and tweeter drivers.
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Product
Stationman Speaker Probe
250 SSP
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This probe is designed for those technicians that want the best tool available. The Model 250SSP is supplied with a cone-shaped tip and a duckbill tip that is longer and flatter, permitting insertion into larger cables, or cables under tension where slack cannot be obtained. Another feature is the built in speaker for audio without the need for a butt set or headset. The speaker is operated by a slide switch that has a "lock" position for continuous monitoring.
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Product
Impedance Spectroscopy
NuVant EZware-EIS Software Package
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The NuVant EZware-EIS software package activates Electrochemical Impedance Spectroscopy on the EZstat-Pro, Powerstat-05 and -20 potentiostat/galvanostats. EZware-EIS exports the impedance data to a file format to accommodate free third party EIS analysis software. EZware-EIS is a user-friendly interface that allows selection of the proper scanning parameters, collect the impedance spectra, display data in Nyquist and/or Bode plots and export data in the proper data format for use in EIS analysis software.
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Product
Impedance meters
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Electronic components meters for circuit verification in laboratories, technical schools and technical support centres.
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Product
Speakers, Sirens, And Strobes
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It is a speaker mounted and it features two sealed reed tamper switches, one on the Back plate and one on the Front Cover. The stainless steel naturally reflects the mounting surface and blends easily with any residential or commercial building.
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Product
Impedance Analyzers
MTZ-35.
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An impedance analyzer with the features and specifications necessary for working on a the broad range of applications in the field of materials research.
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Product
Battery Impedance Meter
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Operation is fast and simple. Just press the spring-loaded probes onto the two poles of the battery. After 1.5 seconds, the unit beeps (indicating good contact) and displays the battery voltage and either the number of siemens or milliohms, depending on the knob setting. The display continues to show these numbers after the probes are removed; it resets only when the probes are pressed onto the next battery. The impedance and voltage of any battery between 1.2 and 60 volts can be read. Because of the wide range of voltages, even single low-voltage cells, such as NiMH, can be measured. The manufacturers of some batteries specify impedance in milliohms while other specify in siemens (one divided by the resistance in ohms). This meter will display both types of impedance for any given battery. Accuracy is +/- 2% of the value.
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Product
Battery Impedance Tester
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Is an ideal tester for automotive, UPS maintenance and telecommunication applications.
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Product
Antenna Impedance Converter
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The low noise impedance matching equipment has a high impedance input with minimized capacity. With the 50 Ω output it can be used with common EMI receivers or spectrum analyzers to measure the emissions received by an antenna on a vehicle.
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Product
Precision Impedance Analyzer
TH2851-050
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Changzhou Tonghui Electronic Co., Ltd.
■ Test frequency: 10Hz-50MHz ■ High precision: using automatic balance bridge technology, four-terminal pair test configuration
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Product
FC Impedance Meters
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designed for testing of the fuel cell with the small current (5 A or less), and not only the current-voltage characteristic test, the KFM2005 can easily measure for the impedance of a fuel cell using the AC impedance method, and the Cole-Cole plot. Using the measurement data of the Cole-cole plot, it is possible to calculate the circuit constant of the approximate equivalent circuit of the fuel cell. The built-in DC load (60W) is capable to operate from 0 V, and it can perform the test for the fuel cell up to 20V and 5A.
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Product
Loop/Line Impedance Testers
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Shanghai Beha Electronics Co., Ltd.
*Built-in earth tester.*Built-in loop/psc tester. 0.03 - 2000Ω (software ctrl).*Built-in voltmeter.*Built-in wiring checker.*One push button smart control.
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Product
Line Impedance
KIT
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The Line impedance kit is composed of two modules, STLG and STSG. The kit is meant to be used with STS 5000, STS 4000 and eKAM in order to perform Line Impedance test.
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Product
Precision Impedance Analyzer
TH2851-130
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Changzhou Tonghui Electronic Co., Ltd.
■ Test frequency: 10Hz-130MHz ■ High precision: using automatic balance bridge technology, four-terminal pair test configuration ■ High stability and consistency ■ High speed: the fastest test speed up to 5ms
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Product
Impedance Analyzer
TH2839A
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Changzhou Tonghui Electronic Co., Ltd.
■ Freq: 20Hz-5MHz, max. resolution 1mHz ■ Test Accuracy: 0.05% ■ Test Speed: Max.7.7ms ■ Auto-balance bridge technology, 4-terminal pair ■ High stability and consistency: up to 15 test ranges
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Product
Impedance Matching Pads
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These impedance matching pads are resistive networks that can be used to match 2 devices with different nominal impedances. The resistive network used in these impedance matching pads has a 5.7db theoritical insertion loss; true loss is 5.7db plus the normal other losses. common use is to connect 50 ohm sma's to 75 ohm f's. There are also 75 ohm versons of N's, BNC's, & SMA's.
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Product
Impedance Analyzer
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When used together with the PSM range of frequency response analyzers, the N4L impedance analysis interfaces provide a measurement solution to many impedance analysis applications. The most appropriate interface for a specific application will depend upon the nominal impedance of the sample or device being tested and the frequency of measurement and N4L will be happy to discuss the optimum soution to any application. Reasons to choose an N4L Impedance Analyzer
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Product
Impedance Stabilization Networks
ISN
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They are required for the measurement of conducted common mode noise on Telecom Cables of Information Technology Equipment (ITE). These measurements are necessary to meet the requirements specified in CISPR 22 and CISPR 32 standards.
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Product
iSimulator Impedance Simulator
Z1000
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Measurements International Ltd.
With the release of the commercial Z1000 iSimulator, the process for calibration of LCR meters has been taken to a new level. The Z1000 covers the full calibration of LCR meters over simulated impedances from 100 Hz to 20 kHz while eliminating the need for external standards and providing a much simpler, easier-to-use method of LCR meter calibration.
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Product
High Impedance Active Probes
7
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Designed as a companion probe to Models 12C and 18C for driving integrated circuit lines so the Model 12C and 18C can be used to measure the response of adjacent nodes. The Model 7 consists of a flexible 6 foot, 50 ohm coaxial cable accurately terminated to 50 ohms in order to avoid undesirable reflections. A special miniature connector receives replacement coaxial probe tips that provide a shielded environment to within 3 mm of the fine tungsten probe point, thus minimizing capacitive coupling to other parts of the circuit. The replaceable coaxial probe tips are offered in various point sizes and can also be bent to any shape in order to accommodate a variety of probing geometries.
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Product
Precision Impedance Analyzer
TH2851-030
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Changzhou Tonghui Electronic Co., Ltd.
■ Test frequency: 10Hz-30MHz ■ High precision: using automatic balance bridge technology, four-terminal pair test configuration
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Product
Impedance Matching Pads
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Impedance matching pads from BroadWave eliminate impedance discontinuity (mismatches) without introducing reflection to the circuit. Custom units are available in a variety of impedance and connector types from DC to 4 GHz. BroadWave Technologies impedance matching pads preserve signal integrity by matching virtually any transmission line.
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Product
Impedance Analyzer
MFIA
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The Zurich Instruments MFIA is a digital impedance analyzer and precision LCR meter that sets the new standard for impedance measurements in the frequency range from DC to 5 MHz. The MFIA provides 0.05% basic accuracy and a measurement range spanning from 1 m to 10 G. The instrument has a high measurement repeatability and a small temperature drift. With the LabOne user interface the MFIA offers a number of long-awaited innovations for the impedance and LCR measurement available without the need of any software installation.
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High Impedance Active Probes
12C
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A high speed, high input impedance active probe for measuring the internal node voltage of integrated circuits. The input is 1 megohm shunted by 0.1 pf and the rise/fall times are 0.8 ns. This instrument has full dc capability and can be used with any oscilloscope. The Model 12C was specially designed so that when used in conjunction with a high input impedance oscilloscope, signal attenuation is 10:1 and with a 50 Ohm input, signal attenuation is 20:1.
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Product
Nodal Impedance Analyser
QT-Hi1
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Qmax Test Technologies Pvt. Ltd.
QT-Hi1 is an innovative Nodal Impedance Analyzer, which uses the industry’s proven V-I trace techniques of learn and compare of nodal impedances which are represented as VI Curves. It uses innovative Auto Best Curve fit technique an intelligent software alogorithm which enables automatic selection of the best fit value of Voltage, Source Impedance and Frequency of the stimulus waveform. The compact size with re-chargeable battery makes it an ideal companion for on-field applications. The wide 8” touch screen graphical display makes this tool more valuable in test and repair industry at all times.
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Product
Impedance Meter
ZM-100
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Monacor International GmbH & Co.
Impedance meter for measuring the impedance (Z) of individual loudspeakers and loudspeaker lines.
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Product
Localized Electrochemical Impedance Spectroscopy
VS-LEIS
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The VersaSTAT 3F applies an AC voltage to the sample emerged in electrolyte. This "global" voltage generates AC current to flow at the electrode / electrolyte interface. A dual-element probe is positioned in solution close to the surface of the sample. The electrometer measures a differential voltage measure between the two measurement elements as a measure of local voltage-drop in solution. This voltage-drop exists in solution because of current flow from local reactions at the sample, the resistance of the electrolyte and the spatial separation of the dual measurement elements.
