Phase Locked Loops
See Also: PLL
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Product
Phase Rotation & Continuity
PC15250
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Quickly and simply prove continuity of all 3 lines. Identifies which are faulty and shows the sequence of phase rotation. Fast & effective method of identifying worn or unmarked cables, and ensuring 3-phase outlets and machinery are wired correctly.
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Product
Loop Powered Trip Amplifier With Dual Relay Output
SEM1636
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The SEM1636 monitors a (4 to 20) mA loop and provides two independent change over trip contacts set to trip at any point within the (4 to 20) mA range.
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Product
Phase Locked Laser System
SolsTiS-Phase Locked
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The phase locked SolsTiS system is primarily designed for use in atom interferometry and quantum computing where Raman transitions are commonly used, although we can tailor the setup to other applications. The system provides extremely low phase noise and high output powers. Full control over the system is provided through our easy to use Ice Bloc user interface.
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Product
Voltage Detector / Phase Comparators
VisualPhase
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Hachmann Innovative Elektronik
With the VisualPhase line you get a type series of handy, exact and easily operated multi-functional devices with integrated voltage detectors, phase comparator and maintenance testers. Equipped with a thorough self test to ensure reliable function, a permanently enabled interface-tester to warn against defect interfaces and the connectability to HR, MR, LR, LRM or LRP string parts every VisualPhase delivers uncompromising safety.
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Product
Level Control Loop Trainer Model
ULP-24P & ULP-24C
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Unitech Scales And Measurements Pvt. Ltd
Unitech’s Level Control Setup comprises of acrylic measuring tank fitted with Level transmitter, control valve, I to P converter, source tank with water pump and necessary flexible piping for water circulation. The system is mounted on a table top powder coated metal frame. Level transmitter is of capacitance or DPT type sensor. The electronic panel comprises of ADC and DAC card with RS-232 interfaces.
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Product
Antenna, Loop
EM-6871 | 30 Hz – 1 MHz
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The EM-6871 Antenna can be used with any 50 ohm /Receiver/Field Strength Meter to obtain magnetic field measurements from 30 Hz to 1 MHz.
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Product
Phase Noise Analyzer
NXA-50
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This new NXA-50 is a sea-change in Phase Noise Test Systems. Making both residual and absolute noise measurements out to 50 GHz, this self-contained instrument uses either internal or external references with cross correlation for maximum dynamic range.
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Product
3 Phase Shifter
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This instrument is capable of producing 3 Phase AC Voltage with phase shifting arrangement between the phases simultaneously.
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Product
Surge with 3 Phase Transfer Switch Consoles
TC Model
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(Surge with 3 Phase Transfer Switch Consoles) Although all PJ Surge Testers are capable of testing 3 Phase Motors, this "TC" Model has the same characteristics as the "C" Model, but includes a Built-in 3 Phase Test Selector Switch that facilitates 3 phase motor testing by mechanically re-positioning the ground terminal.
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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
Friction Flow Loop System
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Friction Flow Loop System is used for testing the effects of friction reducers by circulating at high rates through different pipe diameters. Friction Loop designs vary based on the application required.
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Product
Single Phase Multi-rate Static kWh Meter
SY 1035
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Hong Kong Songyang Industrial Ltd.
Adopt ADE7755 measurement chip. High accuracy class. Large overload times. Can sum up the absolute value of positive and negative energy. Record power energy of this month, last month, and the month before last.
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Product
Three Phase Relay Testing
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Our comprehensive and intuitive relay software speeds up testing times with a vast library of pre-defined test regimes or manual operation.
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Product
Loop Testing
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Megger loop testers offer both traditional measuring techniques and state of the art “non-RCD Tripping” technology. Use these products to determine the prospective earth fault current, which is the maximum current able to flow in a phase-earth fault in an installation, and also to indicate the prospective short circuit current which is the maximum current able to flow in the event of a phase-neutral fault.
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Product
Phase And Continuity Tester
4100A
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Peaceful Thriving Enterprise Co Ltd
There are two function of this tester. One is to test the continuity and the other one is to test the phase of three-phase system. The operation is easy, the indication is clear with LED indication. There is a loud buzzer to remind you the continuity. The illumination is very helpful in the dark environment.
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Product
Closed Loop Hall Effect Current Sensors/Transducerswith Rectangle Windows
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ChenYang Technologies GmbH & Co. KG
This Hall Effect current sensor is based on closed loop compensating principle and can be used formeasurement of DC and AC current, pulse currents etc. The output of the transducer reflects thereal wave of the current carrying conductor.
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Product
Loop Calibrator
6500 LC
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Standard Electric Works Co., Ltd
● 4-20mA (1kΩ load, 24V Loop Supply).● 0.025% Basic Accuracy.● Simple Operation Interface.● Auto Ramp and Step Functions.● 0-20mA, 0-24mA selectable.● Incremental percentage setting : 0-100%.● Warning beeper when output is open.● 0-24V output.● The minimum load of 20kΩ on voltage mode.
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Product
Three Phase Multifunction Static kWh Meter
SY 1065
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Hong Kong Songyang Industrial Ltd.
This kind of meter integrates many functions into one, realizes the functions of time-sharing electricity measurement for active double-direction, measuring demand, sinusoidal reactive, calculating power factor, displaying and tele-transmitting present voltage, current, power and load curve etc. and it realizes the function of recording all the missing voltage, missing current and the percent of pass for voltage,
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Product
Phase Sequence Indicators (Contact Type)
ST-850
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Standard Electric Works Co., Ltd
● Two functions in one unit: open phase and phase sequence detection.● Lamps let you determine at-a-glance if phase is open.● Large size alligator clips for easy clipping onto switch-boards terminals.● Checks a wide range of 3-phase power sources.● Special test leads length are available on request.● Push button switch is designed to minimize damage due to negligence.
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Product
Single Phase Relay Tester
PTE-100-V
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The unit is extremely compact and rugged. The design incorporates the latest in modern digital microprocessor technology to achieve unbeatable output characteristics in terms of power, accuracy, low distortion, and dynamic capability. This technology allows users to test many different specific functions required in relay testing, without the need of additional accessories.
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Product
Loop Calibrator
Model KM CAL-904-MK1
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Kusam Electrical Industries Limited
• 4-20mA (1kΩ Load, 24V Loop Output).• 0-20mA and 0-24mA output ranges.• 0.025% Basic Accuracy.• Auto Ramp and Step functions.• 0-100% output with percentage step option.• 0-24V DC voltage source.• Open loop and overload buzzer alarm.• Low battery indication.• Simple Operation Interface• Warning beeper when output is open• Pollution Degree 2.• Ambient temperature 0~40℃.• Power Consumption 150mA at 24V 1kΩ load
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Product
Cable ID And Phasing
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Ever since electrical cables have been used to distribute electricity, electrical utilities have been faced with the potentially dangerous task of having to safely identify (ID) a cable, either at its ends or somewhere along its length.
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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
Phase Noise Measurement Solutions
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Keysight offers dedicated phase noise measurement solutions to simplify your measurements and maximize your efficiency. Building on 30 years of low phase noise and RF design and measurement experience, our innovative solutions are designed to provide the most accurate phase noise data possible, and are economically tailored to fit your specific performance and application needs - now and well into the future.
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Product
3 Phase Flexible AC Current Probe
DRP 503/18
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The new DRP 503/18 is a 3 Phase Flexible AC current Probe utilising the Rogowski principle, with 3 channel integrator housed in DIN Rail Mounted Enclosure. The flexible and lightweight measuring head allows quick and easy installation in hard to reach areas and with large conductors.
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Product
Two Channel Phase and Amplitude Noise Analyzer
DCNTS -190
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The DCNTS is a two channel Phase and Amplitude noise analyzer. Its dual demodulator architecture allows the system to use cross-correlation to cancel its internal noise and limitation; it is like comparing the outputs of 2 systems and only display the similarities while rejecting differences. Its main extension is the Residual Noise measurement front-end which includes all necessary hardware to automatically measure residual noise on 2-ports devices either in RF frequencies or microwave. It could be a frequency multiplier or divider, an amplifier or any other phase coherent input to output device.
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Product
Three Phase Multi-Function Meter Type DTSD999
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Bofa Instrument & Equipment Co., Ltd
Measure total active energy、total reactive energy、forward active& reactive energy、 reverse active & reactive energy and total four quadrants reactive energy and time of sharing energy
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Product
Loop Powered Indicators
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DEVAR loop powered indicators are designed to easily convert any standard 4 to 20mA loop signal to readout directly in engineering units. Optional back-lit display available.
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Product
Non-Contact Type Phase Sequence Indicator
890 PR
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Standard Electric Works Co., Ltd
● The 890 PR is a Non-Contact phase detector with flashing LEDs and a beeping buzzer to show the detection of AC 3-phase sequence.● Two functions in one unit : open phase and phase sequence detection.● Convenient brightness switch to make the indication visible in dim areas or sunlight.● Back cover magnets which attach the instrument to the AC distribution panel offer easy measurement. ● 3-Phase AC 75 to 1000V is fitted for detection.● Conductor size: 1~35mm● Detect frequency range is from 45 to 65Hz.
