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Phase Sequence
order of ac vice versa voltage / current cycle peaks in a polyphase system..
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Phase Sequence Indicator
Cambridge Instruments & Engineering Co.
Phase sequence indicator is a must for checking new electrical connections, installation and maintenance. It is useful in wiring of switchboards, when 3 phase watt meters and power factor meters are connected. In wiring 3 phase AC motors rotation can be checked and corrected if need be, by checking the sequence.
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Multifunction Installation Tester
COMBI519
COMBI519 carries out tests on electric systems in compliance with IEC/EN 61557-1 and therefore measurements of continuity of the protection cable, insulation resistance (with calculation of PI and DAR), overall earth resistance, RCDs type B, A and AC tripping time and current, line / fault impedance with calculation of prospective short circuit / fault current, phase sequence and conformity.
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Multifunction Tester
COMBI521
COMBI521 carries out tests on electric systems in compliance with IEC/EN 61557-1 and therefore measurements of continuity of the protection cable, insulation resistance (with calculation of PI and DAR), overall earth resistance, RCDs type B, A and AC tripping time and current, line / fault impedance with calculation of prospective short circuit / fault current, phase sequence and conformity.
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Non-Contact Type Phase Sequence Indicator
895 PR
Standard Electric Works Co., Ltd
● Protection class: IP40● Non-contact detector clips. No metal contact points to advocate greater safety.● Two functions in one unit : open phase and phase sequence detection.● Designed for checking a wider range of 3-phase power sources.● LED display lights with buzzer indicator. ● Brightness button feature for better visibility in dimly lit areas or sunlight.● Magnetic mounting feature.
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Phase Sequence and Motor Rotation Tester
TKF-13
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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Installation Testers/Adapters
Using five glow lamps, the rotary field tester, Testboy TV 410N, indicates the presence of all three phases and, through their sequence, determines the correct order of the phases. The housing is made from impact-resistant, unbreakable ABS plastic, the fully insulated 4 mm sockets and the associated comprehensive and adaptable connection cable set provide safe testing and rapid determination of the phasing in a three-phase system.
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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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Phase Sequence Indicators (Contact Type)
855 PRA
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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170MHz 4-Channel DDS Signal Generator
409B
The 409B generates four independent, phase synchronous sine wave output signals and is programmable in 0.1 Hz steps from 0.1 Hz to 171 MHz. Programming is via an RS232 serial interface. Phase is 14-bit programmable and amplitude is 10-bit programmable. Internal memory can store a sequence of settings. The -AC option is available to enable users to step through settings using an external trigger. It is accurate to 1.5 ppm using the on board TCXO timebase or you can use an external timebase, There is also a /R option that provides a way to lock to and track an external 10MHz frequency input. A line powered AC adapter and SOF8_409 windows software on a CD are included.
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Phase Rotation & Continuity
PC15250
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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Knopp Phase Sequence Indicator
K-3, K-6, and K-7
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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Multifunction Instrument
COMBI521EV
COMBI521EV is the new HT instrument to perform verification and control of electric car charging stations (EVSE) safety according to IEC / EN 61851-1 and IEC / EN60364-7-722 standards. Being a combined verification instrument, COMBI521EV also carries out tests on electric systems in compliance with IEC/EN 61557-1 and therefore measurements of continuity of the protection cable, insulation resistance (with calculation of PI and DAR), overall earth resistance, RCDs type B, A and AC tripping time and current, line / fault impedance with calculation of prospective short circuit / fault current, phase sequence and conformity.
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Phase Sequence Indicators (Contact Type)
865 PR
Standard Electric Works Co., Ltd
● The 865 PR is a detector with LEDs to show the de- tection better visible than neon. ● Three functions in one unit, including open phase, phase sequence and 3 phase motor rotation.● Designed for checking a wider range of 3 phase power source from 100V to 600V.● Indicates R.S.T LEDs which frequency range from 40Hz to 400Hz.● Wide range detection of motor frequency range from 2Hz to 400Hz.● Fixed magnets for convenient measurement.
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DC-Powered, Phase Sequence Monitor
PAD/PLD
NAI's PAD and PLD are DC-Powered, Phase Sequence Monitors that protect three-phase loads from damage due to phase reversals or phase absence. These sequence monitors are ideally suited for rugged defense and industrial applications.
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Two-Pole Voltage Tester
P-4
Sonel P-4 is reliable, particularly durable and safe 2-pole testers, which enable testing voltage, circuit continuity and phase sequence. It has been designed for use in extreme conditions both in industry and commercial applications. Advanced technology, a high level of safety and user-friendliness are the key features of the P-line voltage testers.
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Phase Sequence Indicators (Contact Type)
4156 PR
Standard Electric Works Co., Ltd
● The 4156 PR is used to identify the leads of a diconnected motor so that when the motor is in true phase sequence, it will run in the desired direction.
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Installation Testers
Offers two models that verify the safety of electrical installations in residential, commercial and industrial applications. Has been developed to carry out the following safety measurements of electrical installations in accordance with EN 61557 and DIN VDE 0100: Insulation resistance, RCD tests, Low Ohm resistance, Earth ground resistance, Loop impedance, Phase sequence.
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Multifunction Meter for Electrical Installations
AMPI-530
Measurement of short-circuit loop ; Testing of differential, general and selective protections for differential current ; Measurement of insulation resistance ; Up to 10GΩ ; Voltages: 50 V, 100 V, 250 V, 500 V, 1000 V ; Measurement of earth resistance ; Bi-directional continuity test on PE cables, phase sequence ; Measurement and recording of voltage, frequency, alternating current, cosϕ, power, harmonics and THD
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Non-contact Phase Sequence Detector
Phase detection (normal phase, reverse phase and phase deficiency), Live wire examination, Simple Power detection, Breakpoint location and Line maintenance.
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Phase Sequence Indicators (Contact Type)
ST-860
Standard Electric Works Co., Ltd
● Three functions in one unit: open phase, phase sequence and motor rotation indication. ● Large size alligator clips for easy clipping onto switch- boards terminals. ● Highly reliable. ● Identifies 3 phase sequence and open phase check.● Ideal for installing conveyor lines, pump systems and interconnected drivers.
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Multifunction Electrical Installations Meter
MPI-520S
The MPI-520S multifunction meter is dedicated to perform diagnosis of electrical installation according to IEC 61557 standards. Digital meter MPI-520S is designed to measure impedance of a short cicuit loop also without triggering RCD, parameters of RCD, insulation resistance, earthing resistance, continuity and also for phase sequence testing. Furthermore to measure and logging of AC voltage and current, frequency and power.
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Phase Rotation Testers
Our range of phase sequence indicators provide LED indicationof rotation. They are perfect for checking phase sequence in motors, pumps and air conditioning units.
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Multifunctional testers
MI 3102 BT EurotestXE
MI 3102 BT EurotestXE is a multifunctional measuring instrument which performs a complete set of installation safety tests according to IEC/EN 61557. It supports AUTO SEQUENCE® testing of the TN, TT and IT earthing systems. ISFL measurements and the IMD tests can be performed. Besides, the MI 3102 BT EurotestXE enables on-line voltage monitoring, phase sequence testing, earth resistance measurement, illuminance measurement and TRMS current measurement. EurotestXE is equipped with integrated characteristics of fuses and RCDs for PASS / FAIL evaluation of test results.
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Multifunctional testers
MI 3152 EurotestXC
MI 3152 EurotestXC is an instrument from the new generation of Metrel’s multifunctional measuring instruments. The already well known functions like complete installation safety testing according to IEC/EN 61557 and AUTO SEQUENCE testing of TN, TT and IT earthing systems are managed by a completely new user interface based on large colour touch screen display. A wide range of functions is included: from on-line voltage monitoring, phase sequence testing, varistor testing, earth resistance measurement, illuminance measurement and TRMS current measurement up to RCD tests, line and loop impedance tests, specific earth resistance measurements as well as ISFL measurements and the IMD tests.
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Non-Contact Type Phase Sequence Indicator
890 PR
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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Measuring and Monitoring Relays
Various measuring and monitoring relays are available for the purpose of monitoring electrical quantities. In addition to overvoltage, undervoltage, frequency, unbalance, phase sequence, phase failure and loop monitoring, special solutions for specific applications are also possible: extended temperature ranges, sector-specific standards, compact design, country-specific profiles.
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Analog And Digital Insulation Testers
High AccuracyRange Selection & Single Person Push Button OperationLCD Back Light Function with Indicator SwitchData Holding Function, Function Icons on DisplayMeasurement of AC Voltage upto 600VACMeasurement of Phase Sequence between (Phase-PhaseVoltage)with LED Indicator Auto Range (Insulation Test)LED Indicator for High VoltageInbuilt Protection Circuit to prevent the harm of reverse voltagesBattery Operated with AC Adaptor3 Ranges of Voltage & Insulation Resistance
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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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Installation Tester
M72
Multifunction installation tester for insulation measurement up to 500V, continuity of protective conductors, phase sequence with TRMS multimeter functions.
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Power Monitors - AC / DC Monitors
DARE has a complete line of AC or DC operated power monitors available in numerous package styles including 50 Hz, 60 Hz, and 400 Hz models. In addition, DARE has a series of external aircraft power monitors that continuously monitor the quality of electrical power in aircraft electrical systems, ground power equipment, auxiliary power units (APU?s), and other equipment for pre-determined over / under voltage conditions, over / under frequency conditions, loss of phase, improper phase sequence or phase rotation.
