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Phase Rotation Testers

Showing 12 Items

  1. Megger PSI410 Phase Sequence Indicator Angle

    Megger PSI410 Phase Sequence Indicator

    inc VAT £116.40 ex VAT £97.00
    In Stock - Available Next Day
    Innovative three phase rotation meter with simple audible and optical indication of direction. CAT IV 600V rated for industrial applications.
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  2. Dilog DL9010 Phase Rotation Tester

    Dilog DL9010N Phase Rotation Tester

    inc VAT £117.60 ex VAT £98.00
    Typically ships in 2-4 working days
    The Dilog DL9010 Phase Rotation Meter is a compact device for checking phase rotation on voltages from 40V to 690V.
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  3. Martindale PC15250 Phase Sequence Indicator

    Martindale PC15250 Phase Sequence Indicator

    inc VAT £118.20 ex VAT £98.50
    Typically ships in 1-3 working days
    A 3 Phase Sequence and Continuity Indicator. Helps you identify continuity in 3 phase electrical systems and correct 3 phase rotation.
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  4. Extech 480403 Phase Rotation Tester

    Extech 480403 Phase Rotation Tester

    inc VAT £129.60 ex VAT £108.00
    In Stock - Available Next Day
    • Contactless testing of motor rotation
    • LED display with live line and phase rotation indication
    • Supplied with three test leads and set of crocodile clips
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  5. Dilog DL9020 Phase and Motor Rotation Tester

    Dilog DL9020N Phase and Motor Rotation Tester

    inc VAT £138.00 ex VAT £115.00
    Typically ships in 2-4 working days
    The Dilog DL9020N Non-Contact Phase & Motor Rotation Meter is a compact device for checking phase rotation on three phase systems.
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  6. Kewtech KEW8031F Phase Rotation Tester

    Kewtech KEW8031F Phase Rotation Tester

    inc VAT £138.00 ex VAT £115.00
    In Stock - Available Next Day
    Phase rotation meter designed to check the presence of open phase and phase sequence on three phase electrical systems
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  7. Extech PRT200 Phase Rotation Tester

    Extech PRT200 Phase Rotation Tester

    inc VAT £162.00 ex VAT £135.00
    Typically ships in 7-10 working days
    Non-contact phase rotation tester with LED and audible indication of direction and up to 1000V AC input voltage.
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  8. Fluke 9062UK Motor and Phase Rotation Indicator

    Fluke 9062UK Motor and Phase Rotation Indicator

    inc VAT £170.40 ex VAT £142.00
    Typically ships in 5-7 working days
    • Gives indications for three-phase circuit rotary field and motor direction
    • Simple feedback through clearly labelled LED interface
    • Small and portable 3 phase indicator with a one year battery life
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  9. Fluke 9040UK Phase Rotation Indicator

    Fluke 9040UK Phase Rotation Indicator

    inc VAT £198.00 ex VAT £165.00
    Typically ships in 5-7 working days
    • Gives indication of rotary field direction in three-phase systems
    • Feedback via clear, LCD screen
    • Fused test leads, crocodile clips and test probes provided
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  10. Martindale PSI4000

    Martindale PSI4000 Three Phase Sequence Indicator

    inc VAT £226.80 ex VAT £189.00
    In Stock - Available Next Day
    • Non-contact phase rotation testing 
    • Indicates clockwise and anti-clockwise
    • Enhanced brightness switch for clear indication in strong ambient light. 
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  11. Kewtech KEW8035 Phase Rotation Tester

    Kewtech KEW8035 Phase Rotation Tester

    inc VAT £234.00 ex VAT £195.00
    In Stock - Available Next Day
    The Kewtech KEW8035 Phase Rotation Tester employs NEW technology to improve safety and offer unique non-contact testing.
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  12. Martindale PSI4300 Non Contact Phase Sequence Indicator

    Martindale PSI4300 Non Contact Phase Sequence Indicator

    inc VAT £250.80 ex VAT £209.00
    In Stock - Available Next Day
    • Measurement Principle: Static Induction
    • Input Voltage: 150V - 1000V 3 Phase AC
    • Frequency Range: 45 - 65Hz
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Showing 12 Items

Phase Rotation Testers

Designed to check the direction of rotation in motorised machinery with three-phase supplies, this range of phase sequence indicators provide indication of both clockwise and anti-clockwise rotation.
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About Phase Rotation Testers

Phase sequence testers are designed to check the direction of phase rotation in motorised machinery with three-phase supplies. Our range of phase sequence indicators provide LED indication of both clockwise and anti-clockwise rotation. They are perfect for checking phase sequence in motors, pumps and air conditioning units. These are often called phase sequence indicators, phase rotation meters or phase sequence meters. One requirement of BS7671 is to verify that the phase sequence in multiphase (ie. three-phase) circuits is maintained. They are also used for motor and generator testing.

Phase sequence testers are designed to check the direction of phase rotation in motorised machinery with three-phase supplies. Our range of phase sequence indicators provide LED indication of both clockwise and anti-clockwise rotation.

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They are perfect for checking phase sequence in motors, pumps, and air conditioning units. These are often called phase sequence indicators, phase rotation meters or phase sequence meters. One requirement of BS7671 is to verify that the phase sequence in multiphase (ie. three-phase) circuits is maintained. They are also used for motor and generator testing.


Three phase supplies are very common in both commercial and industrial electrical installations within the UK. They comprise of three ‘lines’ or ‘phases’, each generated 50 times per second (50Hz) by a distribution generator. Each phase winding is generated 120° out of synchronisation with each other; the sum amounting to 360° or one turn of the generator.


Three phase supplies are very economic compared to single phase supplies as they allow for higher voltages to be transmitted across the distribution network. In turn, this makes it possible for a smaller amount of material to be used for cables and switchgear within the power distribution network.


With each phase running 120° out of synchronisation, it is simple to produce a rotating magnetic field which is the key element for a motor to operate efficiently.


It is common for a three-phase supply to feed various sub-supplies which can provide power for three phase socket outlets, motors and circuits to name a few. With so many different terminations present, it is important to check that each phase is terminated correctly. As such, regulation 612.12 of BS7671 states that multiphase circuits must be verified for the correct phase sequence. A motor installed with an incorrect phase sequence could have disastrous consequences for both user safety and in the reverse operation of the motor and machinery.


Test-meter.co.uk stock a range of phase rotation meters which allow an engineer to check how the phases are rotating in relation to each other and that they are in fact connected in the correct sequence. There are two main types of phase rotation testers: the rotating disc type and the static type. Non-contact phase rotation testers are also available which enables phase rotation to be determined without the need for direct contact between the probes and live wires, which in turn allows for much safer testing.
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