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Phase
the difference between two features of a waveform, measured in any of multiple manners (distance, time, angle, wavelength, etc.)
See Also: Phasing, Phase Standards, Phase Meters, Phase Angle, 3 Phase, Time
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Distribution Transformer Test System
DTTS Series
Shanghai Jiuzhi Electric Co., Ltd.
The DTTS Series Distribution Transformer Test System are self-contained test sets incorporating all features necessary for testing single and three phase distribution transformer.
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CT-PT-CVT Measuring
Testing object: S current transformer, normal current transformer, voltage transformer● Testing item: ratio error, phase error, impedance, admittance of the transformer, etc● Rated current:5A,1A ( Customized )● Rated voltage: 100V, 100/√3V, 100/3V, 110V, 110/√3V, 110/3V, 120V, 120/√3V, 120/3V, 220V (or other)● Measurement range: ratio error measurement range : 0.0001%-19.99% phase error measurement range : 0.01 ' -900 '● Error minimum resolution:ratio error:0.0001%; phase error:0.01 ' ● Communication function : provide RS232 serial communication port● Measurement accuracy: ±1%● Consumed power: less than 20VA● Dimension :460×380×160 mm● Weight: 12kg
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Broadband Digital Signal Delay Lines
Advanced Science and Novel Technology, Co., Inc.
Broadband (DC-32Gbps / DC-17GHz) tunable clock/data phase shifterDelay adjustment range of 265psExhibits low jitter and limited temperature variation over industrial temperature range1GHz of bandwidth for the phase adjustment tuning portFully differential CML input interfaceFully differential CML output interface with 600mV single-ended swingLinearized data output for minimized undershoot/overshootSingle +3.3V or -3.3V power supplyPower consumption: 1WFabricated in SiGe for high performance, yield, and reliabilityCustom CQFP 24-pin package
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Digital ELCB (RCD) Tester
1811 EL
Standard Electric Works Co., Ltd
● Microprocessor-controlled.● 2Lines × 16 Characters LCD.● Very low consumption.● Suitable for industrial applications.● Better than 3% accuracy (current).● Menu-driven.● Accurate digital readout of disconnection time.● Accurate digital readout of disconnection sensitivity.● Data hold function.● Zero Crossing Circuitry permit testing at 0° or 180°.● Disconnection Phase Polarity shown on LCD display.● Auto off and off override.● Polarity Trip indicator (Positive of Negative Phase).
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Demodulator
D400
Computer Conversions Corporation
The MOD 500 and D400 series of solid state modulators and demodulators are hi-accuracy, low cost, miniature, phase sensitive converters designed for military and industrial control applications.
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Modulators and Demodulators
Computer Conversions Corporation
The MOD 500 and D400 series of solid state modulators and demodulators are hi-accuracy, low cost, miniature, phase sensitive converters designed for military and industrial control applications.
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Solid State Modulator
MOD
Computer Conversions Corporation
The MOD 500 and D400 series of solid state modulators and demodulators are hi-accuracy, low cost, miniature, phase sensitive converters designed for military and industrial control applications.
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HV CT Ratio Tester
HTCT-201 / 350
Wuhan Huatian Electric Power Automation Co., Ltd.
Specially designed and manufactured for on-line measurement of primary current and secondary current of current transformers and transformers below 35kV, variable ratio, phase difference and polarity judgment.
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Stand-alone Three-phase Protection Relay Test Set
Weshine Electric Manufacturing Co., Ltd
Universal Auto Low Price 3 Phase Relay Protection Tester, 3 Channels ,40A/450VA Three-Phase Parallel 120A, 3 Channels, Each Channel ±10A/200VA
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Voltage Tester
*Simple and user friendly*Check 1.2V - 230V AC & 12V DC directly*Check ground line and phase line and breakpoint of the AC directly*No battery is required
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Power Dividers
Power dividers designed, manufactured and marketed by BroadWave are found in applications that include complex telecommunication lab configurations, test equipment, phase arrays and specific test modules.
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Coaxial Open, 2.4 mm (m)
85141A
The Keysight 85141A coaxial open is used for establishing measurement planes for known reflection phase and magnitude in 50-ohm coaxial systems. It has a 2.4 mm male connector.
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Coaxial Short
85140A
The Keysight 85140A coaxial short is used for establishing measurement planes for known reflection phase and magnitude in 50-ohm coaxial systems. It has a 2.4 mm male connector.
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Coaxial Open, 2.4 mm (f)
85141B
The Keysight 85141B coaxial open is used for establishing measurement planes for known reflection phase and magnitude in 50-ohm coaxial systems. It has a 2.4 mm female connector.
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Coaxial Short
85140B
The Keysight 85140B coaxial short is used for establishing measurement planes for known reflection phase and magnitude in 50-ohm coaxial systems. It has a 2.4 mm female connector.
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Electro-Optic Modulators
Thorlabs’ selection of electro-optic (EO) modulators includes free-space and fiber-coupled LiNbO3 modulators. Free-space amplitude, phase, or resonant modulators can operate at speeds up to 100 MHz. We also offer liquid crystal EO modulators for speeds up to 2.5 kHz. Fiber-coupled intensity, phase, or IQ modulators for speeds up to 40 GHz can be driven by our EO modulator drivers. A modulator bias controller is also available for use with fiber-coupled intensity modulators.
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Time & Frequency Distribution Amplifiers
Brandywine offers a wide range of high quality, state of the art signal timing distribution amplifiers, all with very low phase noise. These precision timing signal distribution amplifiers offer a variety of time and frequency signals and interface formats including IRIG A, IRIG B, Have Quick, 1PPS, as well as low phase noise reference frequencies. All of our distribution amplifiers feature dual inputs with automatic failover and multiple independently buffered outputs.
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Digital RCD/RCCB/GFC/ELCB Tester
4112 EL
Standard Electric Works Co., Ltd
● Microprocessor-controlled.● 2 Lines × 16 Characters LCD.● Very low consumption.● Menu-driven.● Accurate digital readout of disconnection time.● Automatic data hold function.● Zero Crossing Circuitry permit testing at 0° or 180°.● Disconnection Phase Polarity Shown on LCD.● Auto off and off override.● Polarity Trip indicator (Positive or Negative Phase).● Wiring polarity indicator.● Measure voltage between line and earth before testing.● Indicates frequency of voltage L-E.
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Large Photo Signal Generator
DDS9m
170MHz 4-Channel Signal Generator. The DDS9m generates four independent, phase synchronous sine wave output signals and is programmable in 0.1Hz steps from 0.1Hz to 171MHz. Programming is via an RS232 serial interface. Phase is 14-bit programmable and amplitude is 10-bit programmable. The DDS9m is accurate to 1.5ppm when using the on board TCXO timebase or you can use an external timebase. It requires 3.3 VDC power. SOF8_409 windows software is available as an extra cost accessory.
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Uniload Voltage Transformer Test Set
2J6
The Type 2J6 Knopp Uniload Voltage Transformer Test Set consists of three major parts: When the Knopp Precision Transformer in the 2J6 set is compensated for, and used with, a secondary burden of 15 volt-amperes, for example, the ratio of this precision transformer is well within 0.02% and the phase angle is well within 2 minutes. The transformer, in common with other Knopp Precision Multirange Transformers, is wound so that it has practically the same ratio and phase angle accuracy on all ranges.
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8-Channel, 10 MHz Precision ReferenceWith Sine and Logic Outputs
ITS-6200
The ITS-6200 is a versatile 10 MHz laboratory frequency reference useful for synchronizing test instruments to a common standard. Eight outputs are provided, each which can be configured independently as sinewave or logic level square-wave signals. Additionally, CMOS logic levels can be set for 5V, 3.3V, or 2.5V logic family compatibility. A 10 MHz reference input is provided to phase lock the ITS-6200 to an external reference, such as a GPS or Rubidium standard, or cascade multiple ITS-6200 units for additional outputs. The low phase noise and high stability OCXO within the ITS-6200 is suitable for the most demanding applications, whether free-running or phase locked. The compact size and low power consumption makes the instrument highly portable and suitable for AC-powered operation in the lab or battery operation in mobile or field applications.
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System for Generating FIR-Filter Coefficients Based on Measurements
After twenty years of research and development WaveCapture are proud to present the first expert system for generating FIR-filter coefficients based on measurements; FIR-Capture.Originating from Lab.gruppen’s DSP24 FIR-filter based loudspeaker processor, pioneered by Dan Bävholm and Klas Dalbjörn, and together with Johny Grenander’s groundbreaking work on Windows based measurement system.FIR-Capture is one of the first measurement systems to offer FIR coefficient generation for independent magnitude-, phase- and group-delay -linearization using linear or mixed phase targets. Linear phase crossovers and brickwall filters are used in a combination with IIR parametric filters in the simulation. Text and comma separated .CSV coefficient files can be created for use in a number of DSP processors or amplifiers. Among them are the XTA DP448, Crown I-Tech HD, Powersoft KDSP-series and soon Lab.gruppen’s PLMs.
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Compact Cinema Subwoofer
Amie-Sub
The linear, self-powered Amie-Sub subwoofer offers outstanding sonic characteristics such as clean, punchy transients and excellent phase coherence with impressive low-frequencies down to 25 Hz in a compact cabinet.
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Digital Power Meters
Switchboard meters with one, two or three digital readouts for measuring AC power parameters, including ACV, ACA, frequency, watts, vars, power factor, and phase angle.
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Environmental Simulation
During the development phase of new products, we analyze the weak points in simulation tests and test the products for environmental influences. The relevant standards are used as the basis for the simulation tests.
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Motor Protection Meter
MPM
The MPM provides additional metering capabilities such as three phase voltage, pf, real power, reactive power, Wh, and frequency for the 269 or 269 Plus Motor Management Relay.
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Flexible Clamp Meters
TES Electrical Electronic Corp.
Three current ranges. Two output sensitivity measuring instruments. Input protection up to 600V. Suitable for any electrical system. Wide bandwith low phase shift.
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High and Low Voltage Detector
279 HD
Standard Electric Works Co., Ltd
● Compact and light weight● Self-test function● Voltage detection: 80V~11.4kV AC● Auto power off (5 minutes)● Waterproof: IP66● Identify Line (Phase) and Neutral
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Digital Cable Phasing Meter
PMT3000
Power Measurement Technologies Inc.
The PMT3000 Digital Cable Phasing Meter facilitates the testing, maintenance and installation of electrical distribution systems. Voltage magnitude, phase angle, phase rotation, frequency and tap capacitance measurements are provided in one convenient battery powered hand-held instrument.
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Narrow Band Digital Signal Delay Lines
Advanced Science and Novel Technology, Co., Inc.
Narrowband (11GHz-17GHz) tunable clock phase shifterDelay adjustment range of 140psExhibits low jitter and limited temperature variation over industrial temperature range100MHz of bandwidth for the phase adjustment tuning portsIdeal for high speed proof-of-concept prototypingFully differential CML input interfacesFully differential CML output interface with 800mV single-ended swingLinearized data output for minimized undershoot/overshootSingle +3.3V or -3.3V power supplyPower consumption: 0.91WFabricated in SiGe for high performance, yield, and reliabilityStandard MLF/QFN 24-pin package