3 Phase
three voltage waveforms at 120°,1/3 of a cycle offset in time.
See Also: Phase Rotation, Phase
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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
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
Three Phase Protector
KPB1
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Konstar Electric Industrial Co., Ltd
If have one pase voltage is too high or two low or pahse lose or wrong phase sequence, the protector will cut off the power, and the new power supply, it will have 5s-300s to restart the equipment in order to protect them.Suitable for the engineer, and equipment and three phase equipment.
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Product
Single Phase And Three Phase Ageing Bench Type KP-S31000
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Bofa Instrument & Equipment Co., Ltd
This ageing bench is used for ageing single phase energy meter and three phase emergy meter in meter manufacturer. It consists two parts: Power source and meter rack (single phase and three phase), usually we sugest 1 power source + 9 single phase meter rack (96 positions each) or 6 three phase meter rack (48 positions each).
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Product
Knopp Phase Sequence Indicator
K-3, K-6, and K-7
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Use of the Knopp K-3 Phase Sequence Indicator saves man-hours and protects valuable equipment against damage. It pays for itself in a short time. Specially designed induction motor unmistakably indicates the phase sequence by direction of rotation or rotor disc.
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Product
180 Degree Phase Shifter
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- Weather proof housing and galvanized mounting hardware- 5 kW continuous duty for reliability- 12 V DC 100 mA control voltage and current – for easy integration- Lightning protection
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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
Low Phase Noise Amplifier
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RF Lambda’s lower phase noise amplifier offerings include special power supply conditioning and utilize technology to reduce the phase noise addition from amplifying the signal. Hermetically sealed options are available upon request.
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Product
Zero Phase Current Transformer
MZL-65
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MULTI MEASURING INSTRUMENTS Co., Ltd.
Split-core type for measuring zero phase current
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Product
Low Phase Noise Reference Source
96270A
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The 96270A RF Reference Source is the simplest, most accurate and cost-effective single instrument for calibrating spectrum analyzers and RF power sensors and more, up to 27 GHz.
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Product
Zero Phase Current Transformer
MZL-45
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MULTI MEASURING INSTRUMENTS Co., Ltd.
Split-core type for measuring zero phase current
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Product
Phase Shifting Transformer
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Supreme Instrument Laboratories
Supreme make PHASE SHIFTING TRANSFORMERS are special transformers which provide convenient means to adjust phase angle (power factor) of A.C. loading circuit while testing power factor sensitive device for the full 90 degree LAG through '0' degree to 90 degree LEAD. Based on their rating these Phase shifters are manufactured in two configuration.
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Product
Three Phase Power Monitoring
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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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Product
MicroPhase I LRP - Dual Phase Voltage Detector / Phase Comparator
MP1-02P
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Hachmann Innovative Elektronik
MicroPhase I LRP is an easily operated phase comparator, dual voltage detector and maintenance tester. Its automatic, thorough self-test ensures reliable function. The permanently enabled interface-testers warn against defect interfaces. Thanks to the "LRP-switch" the threshold value can be lowered from 2,5 µA (HR, MR, LR and LRM) to 1,0 µA (LRP).
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Product
Phase Sequence Indicators (Contact Type)
855 PRA
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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
Phase Sequence and Motor Rotation Tester
TKF-13
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The TKF-13 tester is a modern high-quality, simple and safe device. However it is recommended to et acquainted with the present manual in order to avoid measuring errors and prevent possible roblems related to operation of the meter.
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Product
Phase Detectors
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High DC output versus phaseLow DC offsetRugged metal coaxial packageTiny surface mount packages, 0.38 x 0.50 x .023 in.
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Product
Single Phase Powerline Monitors
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a Voltage disturbance detector and recorder. This device is designed to be plugged into a 120V or 240V AC line and will monitor this line for voltage disturbances and temperature or Humidity variations.
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Product
3 Digit LCD Voltmeter
DPM 500
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The DPM 500 is a 3 digit LCD voltmeter with 12.5mm (0.5") digit height. It features 200mV d.c. full scale reading, auto-zero, auto-polarity and a set of annunciators. The meter plugs directly into a DIL socket or can be panel mounted using the snap-in bezel and window.
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Product
Three Phase Coupling/Decoupling Network
CDN 3043 Series
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- Compliant with IEC 61000-4-4 & 5- Universal teminals- no special plugs required- Safety HV plugs and terminals-Manual/programmable EUT power ON/OFF control- Short term overstress capability
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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.
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Product
Phase Sequence Indicators (Contact Type)
888 PMR
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Standard Electric Works Co., Ltd
● Indicates phase rotation. ● Indicates phase presence.● Indicates motor rotation/wiring.● Indicates battery status.● Phase rotation and motor rotation indication works from as low as 1Vac.● Small, rugged enclosure.● Color coded test leads.● Phase presence indication from as low as 100 Vac. ● Very low consumption.● Fused. ● Lightweight, robust and compact.● Works from 2 Hz to 400 Hz Sine.
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Product
Phase Sensors and Phase Sequence Relays
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Protect aircraft equipment & other devices from damage due to phase loss or reversal with DARE?s phase sensors & monitors. Designed to monitor the phase sequence of three phase power, DARE?s phase sensors will protect electrical equipment that is sensitive to incorrect phase sequence (rotation), phase loss, or phase reversal.
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Product
Digital Watt And Phase Angle Meter
632A
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Red Phase Instruments Australia Pty Ltd.
We have sold many of these simple, accurate and robust instruments to utilities, industry and educational institutions. They are used for many purposes, from student instruction in the electrical laboratory to quality control in appliance testing. The 632A has 50V, 160V and 500V voltage ranges and the current inputs are 1A, 3.2A and 10A.
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Product
USB/Ethernet Control Phase Shifter
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RF Lambda’s USB/Ethernet control phase shifters use the same RF circuits as our digital step phase shifters to control the phase of an RF signal. Various frequencies and step sizes are available with the addition of a USB and ethernet port for easy interfacing to a computer or a network.
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Product
Phase Failure Detectors
DSP
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Your product The DSP-1L or DSP-1LM is used to protect your three-phase motors against phase loss, imbalance, or reversal. It continuously monitors each phase of your power supply. In case of a problem, it cuts the power to the control circuit to protect the affected motor.
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Product
Phase Angle Meter
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Exceptionally fast response (up to 20 updates per second) and high accuracy for low frequencies, such as AC line frequency. A resolution of 1, 0.1 or 0.01 is user-selectable. Accuracy is 0.01% up to 100 Hz, 0.1% at 1 kHz, and 1% at 10 kHz.
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Product
Three Phase AC Voltage Source
EAC-TAVS
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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.
