Phase Locked Loops
See Also: PLL
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Product
Phase Shifter
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A microwave network module which provides a controllable phase shift of the RF signal.
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Product
3 Phase Voltage Transducer
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Converts a three phase, 600 VAC, 50/60 Hz power system to three proportional 0 to 5 volt DC outputs.
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Product
Comparator-Analyzer Phase Digital
VCH-325
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Comparator-analyzer phase digital VCH-325, designed for precision measurements of the relative frequency difference, frequency instability and phase noise spectrum of highly stable signal sources in the frequency range from 1 to 100 MHz. The software is installed on an external computer (computer not included).
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Product
Phase Noise Measurement Up To 70 GHz
S930317B
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S930317B enables phase noise measurements using a PNA or PNA-X vector network analyzer. Simplify your measurement workflow by measuring phase noise on the same connection as your network analysis measurement of 2-port active devices up to 70 GHz, without needing to connect a spectrum analyzer or harmonic mixer.
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Product
Fully Automatic Close Link Three Phase Energy Meter Test Bench
SY 8320
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Hong Kong Songyang Industrial Ltd.
Suitable design, good figure. The frame for meters and the body frame are fully made by special aluminum alloy. The table board is composed of fireproofing and heat-proof fiber materials. The whole device is in soft color and good figure.
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Product
Phase Noise Measurement Up To 125 GHz
S930321B
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S930321B enables phase noise measurements using a PNA or PNA-X vector network analyzer. Simplify your measurement workflow by measuring phase noise on the same connection as your network analysis measurement of 2-port active devices up to 125 GHz, without needing to connect a spectrum analyzer or harmonic mixer.
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Product
Single Loop Controller
1462
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The N4400 is a sophisticated, single loop controller which provides extensive profiling programming options for complex processes. The controller can create a profile with up to 121 segments, store up to 8 programs and configure and store extra programs on a PC.
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Product
Single Phase Din-rail Multi-rate kWh Meter
SY 1025
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Hong Kong Songyang Industrial Ltd.
Type SY1025 single phase DIN rail watt-hour meter is a kind of new style single phase electronic multi-rate watt-hour meter, energy data display adopt 7 digits wide temperature type crystal display, with many functions of multi-rate (time-of use) energy measurement, infrared carrier wave communication and RS485 serial port communication reading meter, etc.
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Product
Dual Channel HV Amplifier with Phase Inverter
A800DI
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This unit contains two independent A800 amplifiers that share common ground reference and power supply. Please see A800 page for technical details.It features also a low voltage phase inverter that inverts the signal applied to the input of channel 1. The resulting signal can then be connected to the input of channel 2 by means of a short BNC cable (supplied). As a result the two outputs operate in counter-phase.
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Product
Single Phase Universal Protection Relay Test Set
S100A
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S100A is the Universal Single Phase Protection Relay Test Set with 1*100A and 3*150V output, local control system for basic relay testing with manual operation.
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Product
Three Phase Power Analyzer
Model TFT780
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Three Phase Power Analyzer PA700TFT is multi-range power Analyzer with basic 0.05% R+R accuracy. 8 range of voltage, 8 range of current and total 64 range of power and power factor gives more accurate result at low power factor. It has waveform mode to check the waveform of voltage and current. As well it has B/H curve mode where user can check live b/h curve of the transformer under test. The gap less four-quadrant power measurement technique gives better accuracy at distorted waveforms or AC drive (VFD) operated power supply.
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Product
OPTICAL PHASE NOISE TEST AND MEASUREMENT SYSTEM
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OEwaves’ HI-Q® Optical Test Measurement System utilizes a homodyne methodology for automated measurement capable of testing ultra-low phase noise laser sources. The user friendly test system is capable of rapidly measuring laser phase noise and estimating its FWHM linewidth down to < 3 Hz without complex setup or reference lasers normally required to make such a narrow linewidth measurement.
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Product
Three Phase Portable Energy Meter Test Instrument Type KP-P3003-C
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Bofa Instrument & Equipment Co., Ltd
Three-phase portable energy meter test instrument type KP-P3003-C with current and voltage source is an ideal device to test all kind three-phase energy meters accuracy below 0.2. The equipment can generate 3-phase voltage, 3-phase current and any power factor signal, the standard meter inside the equipment is class 0.05. The equipment is box structure, light, and easy to carry, it is very convenience to test meters on site, moreover the equipment can be used for testing meter in meter manufacture and as testing equipment in R&D institute.
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Product
Current Loop 20 MA Constant Current SI-module With Optical Isolation
MXTTY
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Current loop 20 mA constant current (active, passive) SI-module with optical isolation.
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Product
Phase Angle Meters
GF211
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Beijing GFUVE Electronics Co.,Ltd.
It can be applied to electric power dispatching center, relay protection department or relay protection in power plant. Its metric division class makes it suitable for petroleum, railways and the iron and steel industries also.
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Product
Micro-Ohmmeter and Loop Resistance Tester
LRT 6000
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LRT 6000: The right solution for impedance resistance measurement in compliance with all aircraft specifications on plane, helicopter, rocket, army vehicles for both production andmaintenance. It is a very easy-to-use and versatile instrument. Its ergonomics allow the user to use it either placed on the ground or across one's shoulder or chest. Awide back-lit LCDdisplay combinedwith an intuitive keyboard ensures simple and easy operation.
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Product
DIGITAL PHASE ANGLE METER
GF211B
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Beijing GFUVE Electronics Co.,Ltd.
GF211B onsite handheld digital phase angle meter can measure alternating voltage, alternating current, frequency, phase angle, active/reactive power, power factor and so on.
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Product
Three Phase Din-rail Multi-rate kWh Meter
SY 1041
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Hong Kong Songyang Industrial Ltd.
Type SY1041 three phase DIN rail watt-hour meter is a kind of new style three phase electronic multi-rate watt-hour meter, energy data display adopt 7 digits wide temperature type crystal display, with many functions of multi-rate (time-of use) energy measurement, infrared carrier wave communication and RS485 serial port communication reading meter, etc
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Product
Three Phase Round Energy Meter Test Bench Type KP-S3000-C
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Bofa Instrument & Equipment Co., Ltd
Three phase Round energy meter test bench Type KP-S3000-C is designed for testing three-phase round energy meters (ANSI Socket type), it is mainly exported to countries in Noth America and South America. It is an ideal testing eqiupint for energy meter factory or R&D institute. All the testing procedures can be automatically operated by PC or by Keyboard manually.
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Product
Portable Test Bench For Single Phase Energy Meter
SY 2100
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Hong Kong Songyang Industrial Ltd.
Anthropomorphize design, Large size LCD display, easy operation. High stability, good reliability. Reasonable internal structure. Compliance with IEC736.ISO9001 certificate. Automatic switchover of voltage or current output to protect equipment when voltage circuit short or current circuit open and alarm display on LCD
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Product
MULTI-STANDARD LOCAL LOOP SIMULATOR
458-LM-A8-30
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Accurately simulates attenuation and impedanceFull bidirectional operation at all specified frequencies26 AWG PIC as specified in ANSI T1.417
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Product
Model QLS 4-20 mA Loop Splitter / Retransmitter
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Generates up to four individually grounded and individually adjustable 4-20 mA loops from a single 4-20 mA or 0-10V input. Overcomes problems which occur when the same 4-20 mA signal is applied to multiple loads in series. Allows outputs to have different grounds, and allows individual loops to be opened without affecting signal to other loads.
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Product
Phasing Meters
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A unique tool in that it may be used as a conventional phasing meter, or the meter probe may be used as a stand-alone voltage detector on primary or secondary voltages or capacitive test points.
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Product
903 Benchtop Three Phase 40A
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Weshine Electric Manufacturing Co., Ltd
1. The instrument has standard four phase voltage and three-phase current output. It can test not only various traditional relays and protection devices, but also various modern microcomputer protections, especially for transformer differential protection and standby automatic switching device. The test is more convenient and perfect.2. Classic Windows XP operation interface, friendly man-machine interface, easy and fast operation; high performance embedded industrial control computer and 8.4 inch resolution 800 × 600 TFT true color display screen, can provide rich and intuitive information, including the current working state of the equipment and various help information.
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Product
Digital Phase Shifter
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Analog Devices digital phase shifters change the phase of RF, microwave, or millimeter wave signals while providing no amplitude change. They are used in a variety of applications, including RF PA linearization/RF distortion, amplitude and phase modulation, variable attenuators, and fiber optics.
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Product
Single Phase DC Injection Set Kit
PDC120A/PDC200A
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PDC120A/PDC200A Single Phase DC current injection set kit is portable test set which could generate DC current for the various testings in railway transportation, HVDC converting stations, etc.
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Product
ource Phase Control
S97088B S
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The S97088B allows users to set calibrated, arbitrary phase differences between two signal sources running on the P50xxA Streamline VNAs.
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Product
Analog Phase Shifter
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Analog Devices analog phase shifters change the phase of RF, microwave, and millimeter wave signals. Our technology features consistent insertion loss vs. phase shift, monotonic phase shift, low insertion loss, and a compact size that makes it ideal for multiple applications, including:• Fiber optics• Military• Test equipment
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Phase Frequency Detectors
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Analog Devices phase frequency detectors offer high performance and ultralow phase noise in a low cost, compact package. Our devices can significantly improve frequency lock time, and include automatic and configurable lock detect indicators.
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Product
Dynamic Scale Deposition Loop System
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Dynamic Scale Deposition Loop fully automated systems includes hardware and software to measure and evaluate the performance of scale inhibitors under high pressure and high temperature conditions.





























