Phase Locked Loops
See Also: PLL
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Phase Sequence Indicator
8PK-ST850
Two functions in one unit incluidng open phase and phase sequence. Large size alligator clips : able to clip on switch-board terminals easily. Identify 3 phase sequence and open phase check Ideal for installing conveyor lines, pump systems and interconnected drivers. No exposed metal parts. Safety features are incorporated throughout, including the pushbutton switch designed to minimize damage due to negligence. Safety approval: CE marks, IEN 1010 CAT. II.
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4-20 mA Loop Powered Two Wire Oxygen Transmitter
OxyTrans
The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument.
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Phase Sequence Indicators (Contact Type)
855 PR
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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Three Phase AC Voltage Source
EAC-TAVS
Electronic Test & Power Systems
The EAC-TAVS is a series of programmable high power AC voltage sources. Each system provides a three phase true sinewave output as standard. Each unit is built in a freestanding cabinet. The output frequency is adjustable in the range of 45 - 105Hz. Different frequency ranges are optional, with up to 805Hz possible. An RS-232 and CAN interface are provided as standard. The high resolution TFT front panel displays a host of measurement and setting functions. Besides standard models, other nominal power levels and voltages can be user specified. Single phase and bidirectional versions are available on request.
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Pulsed Injection Locked IMPATT Amplifiers
Pulsed injection locked amplifier incorporates IMPATT diode, ferrite input/output isolators, circulators, and pulse modulator. Only DC power supply, RF input signal, and external trigger signal are required to operate amplifier. Output phase noise parameters are very close to the noise parameters of the input RF signal.
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Saturable Spectroscopy Laser Lock Module
A compact, mechanically-robust laser frequency reference.
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Hysteresis Loop Tracer
MESA
The MESA is the only hysteresis loop tracer on the market that can make measurements in the frequency range of 10 Hz and below. Competing units operate with more-easily generated 60 Hz drive fields, and can have errors of as much as 30% in coercivity (Hc) measurements.
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Loop and Line Powered Level Switch
Safety IntelliPoint
The Safety IntelliPoint level switch provides a capacitance probe level switch with either a current output or relay contacts and “On-Board” self-diagnostics to ensure reliability. This SIL Intellipoint conforms to SIL 2 specifications providing the ultimate in level switch integrity and level sensing elements for a wide variety of temperatures, pressures, and materials.
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Phase Sequence Indicators (Contact Type)
887 PR
Standard Electric Works Co., Ltd
● Indicates phase rotation. ● Indicates phase presence.● No battery required.● Phase rotation phase presence indicated on large liquid crystal display.● Small, rugged enclosure.● Color coded test leads.● Phase presence indication from as low as 40Vac to as high as 600Vac.● Fused.● Lightweight, robust and compact.● EN 61010-1 CAT III 600V EN 61010-2-032
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3 Phase Choke Coils
Supreme Instrument Laboratories
Suitable for operation on 415 / 440 V, A.C. 50 Hz. Working on air gap separation by increasing / decreasing the air gap with the help of a hand wheel mechanism, mounted on thick wooden / bakelite sheet with castor wheels for easy transportation.
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Ultra-low Noise Phase Inverter - Buffer
WMA-IB-LN
The WMA-IB-LN can be used to double the output voltage of two high voltage amplifiers by driving them in bridge mode, or as high impedance input buffer while maintaining precision and ultra-low noise. The WMA-IB-LN model has been designed specifically for the Falco Systems WMA-200 high voltage amplifier. Two WMA-200 amplifiers combined with one WMA-IB-LN provide unprecedented noise performance and output voltage range.
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Single Phase Relay Tester
PTE-50-CE Pro
This electronic, independent source can be adjusted in amplitude, frequency, and phase angle. It comes installed as standard with the ‘Pro’ versions of the PTE sets, but it can also be purchased separately and mounted by the user inside the unit’s lid in a few minutes.
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Single Phase Secondary Injection Test Set
T200A
T200A Single Phase Relay Testing Kit is the best universal secondary injection test set for engineers who need to do all single phase relay test and other basic primary testing which may require single phase long-term high current injection.
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Phase Shifter Angle Meter
Widely used in electrical, power generation and engineering sector, it is used for transformer testing.
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Bluetooth Powered Smart Locking System
azLock
Can you imagine a keyless world ? Let us introduce azLock, a smart door lock with convenient features that transforms your "lock usage experience" into a new level. azLock is state of the art, easy to use and secure. You do not have to use traditional keys, as your smartphone becomes your key. You can assign digital keys to your guests with temporary or permanent access, keep a log of accesses to your door, get tamper notification and what not. You also get an option to install a manual key override if you choose to. Take your first baby step into keyless world, get azlock.
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Line Loop Tester
8455
Simpson?s Model 8455 Line Loop tester detects line shorts, opens and multiple ringers, DC voltages and loop resistance. It can measure DC voltage up to 100 volts and loop resistance to 2 megohms. A front panel ?reverse polarity? switch allows changing polarity positions quicker and easier than manually switching test leads when making line checks.
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Phase Frequency Detectors
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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Antenna, Loop
EM-6879 | 10 KHz – 30 MHz
The EM-6879 Loop Antenna is used for magnetic field measurements over the frequency range of 10 kHz to 30 MHz. The EM-6879 is designed for use with any 50 ohm Receiver System. The antenna has a balanced Faraday shield that reduces its response to electric fields to a vanishingly small amount so that it can produce a practically pure magnetic field response.
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Voltage Detector / Phase Comparators
VisualPhase
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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Phase And Continuity Tester
4100
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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Phase Sequence Indicators (Contact Type)
862 PR
Standard Electric Works Co., Ltd
● Two functions in one unit: open phase and phase sequence detection.● Neon light indicators.● Large size alligator clips for easy clipping onto switch- boards terminals.● Checks a wide range of 3-phase power sources.● Ideal for installing conveyor lines, pump systems and interconnected drivers.● Waterproof design, protection class : IP24.● Special test leads length are available on request.
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3 Phase Voltage Transducer
Converts a three phase, 600 VAC, 50/60 Hz power system to three proportional 0 to 5 volt DC outputs.
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Three Phase Power Monitoring
PRÜFTECHNIK Condition Monitoring GmbH
A three-phase power monitor detects changes in electrical variables. With power monitoring on your assets, you can help reduce wear and damage, while also identifying what’s causing it. The Fluke 3540 FC three-phase power monitor can be used remotely or through a stationary connection.
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Quad Op-Amp Loop
QOAL400
The QOAL400 module is a precision instrument capable of measuring all common parameters of an Op Amp, including AC as well as DC parameters. The QOAL400 has four completely independent channels, which allow a quad device to be tested in a minimum amount of time. Each channel has a full set of resources to measure all common parameters.
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Loop Powered Trip Amplifier With Dual Relay Output
SEM1636
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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Multi - Purpose Digital High Voltage Phasing Meter
Model KM-MPS-50K
Kusam Electrical Industries Limited
• AC 50kV and DC 50kV measurement with direct reading.• 4000-count LCD.• Input impedance : 400 Mohm• Auto-ranging : AC : 4.000kV / 40.00kV / 50.0kV, DC : 4.000kV / 40.00kV / 50.0kV• KM 50K must be connected with an approved hot stick (Optional).• Check phases are "in-phase" or "out of phase".• Polarity indication : Positive / Negative• Backlight function.• Auto power off.• Power source : 1.5V(AA) alkaline battery × 2.• Low battery indication(Multi-level).
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Phase Sequence Indicators (Contact Type)
ST-850
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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4-20mA Current Loop D/A Converters
ADI integrated solutions combine both the D/A converter and driver in one chip to provide the required output directly from the digital domain. Analog Devices’ portfolio of leading industrial D/A converters and drivers provides a range of programmable output ranges from standard 4 mA to 20 mA for current loop communication to ±10 V for actuator control. ADI industrial converters offer considerable control functionality and advanced on-chip diagnostics to maximize system uptime, as well as eliminate the need for costly calibration routines needed by some traditional discrete architectures.
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903 Benchtop Three Phase 40A
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.
