Line Impedance
See Also: Line Impedance Stabilization Network
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Product
LISN Line Impedance Stabilisation Networks / AMN Artificial Mains Network
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A LISN Line Impedance Stabilization Networks / AMN Artificial Mains Network: *supplies the neccessary mains voltage (AC or DC) and current for the Equipment under Test (EuT).*couples interference voltage generated by the EuT and supplies it to the receiver.*provides well defined RF-impedance to the Equipment under Test (EuT)*keeps away unwanted disturbance coming from mains (filter)*protects the mains from unwanted disturbance voltage generated by the EuT
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Product
Line-impedance stabilisation network
NNB 21 set
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The NNB 21 line impedance stabilization network is designed for measuring of grid bound interferences of a device under test according to the satndard CISPR 25/ISO 7637. It measures the RF interference, which couples into the vehicle electrical system. Measurements during the development in a frequency range from 100 kHz to 1GHz can be carried out.
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Overhead Line & Cable Impedance Test Sets
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T&R Test Equipment Overhead Line & Cable Impedance Test Sets
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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
Calibration
RF Test Equipment
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We calibrate following types of RF test equipment:EMF test systems (frequency selective)EMF test systems (broadband)Field strength transfer standards (e.g. RefRad)Line Impedance Stabilisation Network (LISN)Cable, attenuator, couplerAntennaField Probe
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Product
5uH Line Impedance Stabilisation Network LISN - CISPR 25
TBOH01
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The TBOH01 5H LISN is a device required to setup conducted noise measurements of DC-powered devices. It is designed to be used for EMC pre-testing in the frequency range of 150kHz to 110 MHz.
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Product
Line Impedance Stablisation Networks (LISN)
Emissions
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All commercial LISNs include an artificial hand connection and a transient limiter. This adds a 30dB insertion loss. A 30dB pre-amplifier is included which can be connected in the RF output feed to return the insertion loss to 0dB. All bar the heavy current LISNs are constructed in a flanged aluminium enclosure that can be bolted directly down to a ground plane (as required by standards). The underside of the enclosure is left unpainted to ensure good conductivity with the plane. The 16A and military/automotive LISNs have an RF output for each line, thus allowing parallel measurements of the emissions. This facilitates measurement of common mode and differential mode components of the emissions if required.
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Product
Voltage Probes
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In addition to EMI measurement with LISNs (Line Impedance Stabilisation Networks, Artificial Mains Networks), Probes are used for Terminal or Line voltage measurement.
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Product
72.5-Watt DC Power Line Conditioner w/Holdup
44KS3-02
Power Line Conditioner
NAI's 44KS3-02 is a 72.5-Watt Power Line Conditioner with holdup time that protects downstream DC/DC converters from transients, low voltage conditions, and power interruptions. This unit accepts +28 VDC input and provides a single output at 72.5 Watts either 22.5 to 30 VDC with holdup time or +16 VDC without holdup time - to all downstream DC/DC converters.
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Product
100-Watt DC Power Line Conditioner w/Holdup
44LS1
Power Line Conditioner
NAI’s 44LS1 is a 100-Watt Power Line Conditioner with holdup time that protects downstream DC/DC converters from transients, low voltage conditions, and power interruptions. This unit accepts +28 VDC input and provides 22.5 to 30 VDC at 100 Watts to all downstream DC/DC converters.
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Product
VPX55-3HU 3U VPX Power Line Conditioner with Holdu
VPX55-3HU
Power Line Conditioner
The VPX55-3HU is a 400-Watt DC/DC Power Line Conditioner which plugs directly into a standard 3U VPX chassis with a VITA 62 0.8" or 1.0" power slot. This off-the-shelf solution is compatible with VPX specifications and addresses the need for 3U VPX power applications requiring an optional VITA 62 Energy Storage Module.
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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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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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Telephone Line Testers for POTS / Analog Line
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*This analog line tester is suitable for all instalers installing telephone equepement on POTS line.*Led indications signaling the status of analog line.
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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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Line Tracer
MI-2093
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Field proven instrument for under-wall low voltage installation tracing, fuse finding, short-circuit spot determination and metal installation tracing. Accurate fuse locating
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Impedance Analyzer, 20 Hz to 10/20/30/50/120 MHz
E4990A
Impedance Analyzer
The E4990A Impedance Analyzer has a frequency range of 20 Hz to 120 MHz. The E4990A provides an industry best 0.045% (typical) basic accuracy over a wide impedance range, with a 40 V built-in DC bias source. 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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Controlled Impedance Analyzers
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HYPERLABS Controlled Impedance Analyzers can be used with various probes and adapters to quickly and reliably characterize impedance on PCB test coupons. These Test Systems are designed to comply with IPC-2141A standards for PCB coupon testing, and can be customized to meet specific customer needs.
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Line Injector
J2120A
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While the injection transformer is a very wideband adapter, it is not useful for measuring ripple rejection (PSRR) of a power supply or even an opamp. This is because the attributes that make the injection transformer perform so well also result in a transformer that is intolerant of DC current. Even very small DC currents (5mA or less) can greatly reduce the signal capacity or even totally saturate the transformer. For this reason, the Picotest line injector (J2120A) is another essential test adapter.
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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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Impedance meters
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Electronic components meters for circuit verification in laboratories, technical schools and technical support centres.
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Controlled impedance test system
CITS900s4
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CITS900s4 is the seventh generation of Impedance test system from polar, and typically the most popular model for customers who are new to impedance control. CITS900s4 provides both differential and single ended measurement capability along with 4 channels to provide flexible probe connection.
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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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Impedance Analyzers
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A/D converted input signals undergo discrete Fourier transform (DFT) to calculate complex impedance values and obtain parameters and characteristics specific to the DUT, such as its capacitance, inductance and quality factor. Original NF algorithms are also applied to allow equivalent circuits made up of R, L and C along with the constants for those circuits to be estimated from the complex impedance spectrum obtained by sweeping the frequencies.
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Loop A Line Products
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Cable pair tracing and a lot more, Loop-a-Line products can remotely control a far end device (the oscillator) for up to 20km of cable. Using a Loop-a-Line allows the linesman to remotely change the state of the oscillator to any of five different states. Therefore eliminating the need for multiple journeys along the cable path.
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Telephone Line Monitor
AI-5120
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The AI-5120 is a compact device designed for monitoring and analyzing signals present on the telephone line. By sensing the voltage present on the telephone line it detects and measures ringing, DTMF & pulse dialing, FSK (Bell 202 and V.23) signals, line polarity reversals, and open switching intervals (OSI). Working in conjunction with the TRsSim software on a PC, the AI-5120 becomes a valuable tool in analyzing and debugging Caller ID and SMS (Short Message Service) data transmission. Like an oscilloscope, it can capture and display waveforms showing various signals present on the telephone line.
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Telephone Line Tester for ISDN Lines
1EA065
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ISDN line checker shows the correctness of your ISDN So bus line connections. Indication of the problem is presented with 4 LED (combination of them shows different states and working conditions of the ISDN So bus). The tester uses Phantom power - no need for additional power supplay.
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Impedance Analyzer 10MHz-20Hz
IA1021
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Feature Specifications: Dual test mode: Analyzer(frequency sweep) and LCR(single frequency).Measurement frequency: 20Hz to 10MHz, 6 digitsFrequency resolution: 0.001% in all frequency rangeFrequency accuracy: 0.01%.DC bias(program): -10V ~ +10V, 0.005V resolution, accuracy 0.5%.Measurement basic accuracy: Impedance +-0.2%, phase: +-0.1°.Display Range: Z: 0.0000Ω-99.999MΩ.
