Phase Comparators (17 Products)

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  1. Catu proving Unit for Phase Testers All CATU Products
    Free Delivery  
    CATU High Voltage Proving Unit for Phase Testers
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    As low as £271.08 £225.90
    • Fixed or adjustable voltage models
    • Dual core
    • Used for testing controllers
    450 Reward Points
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    SKU: CL-1-05/06
  2. Metrohm E4530 High Voltage Phase Comparator All Metrohm Products
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    Metrohm E4530 High Voltage Phase Comparator
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    £972.00 £810.00
    • High voltage phase comparisons
    • 33kV operations
    • No batteries required
    1,620 Reward Points
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    SKU: E4530
  3. Metrohm E4510 11kV High Voltage Phase Comparator  All Metrohm Products
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    Metrohm E4510 11kV High Voltage Phase Comparator
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    £972.00 £810.00
    • Compare phase
    • LED and audible indication
    • Use with proving unit for extra accuracy
    1,620 Reward Points
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    SKU: E4510
  4. Catu Fixed Pole Phase Comparator - Indoor Use All CATU Products
    1 Model in Stock
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    CATU Fixed Pole Phase Comparator - Indoor Use
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    As low as £991.44 £826.20
    • Accurate determination of differences between phase
    • Suitable for use on HV systems from 2 to 36kV
    • Available as standard pole or extendable pole
    1,652 Reward Points
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    SKU: CL-8-36-1
  5. Metrohm E4550 11/33kV Analogue Phase Comparator All Metrohm Products
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    Metrohm E4550 11/33kV Analogue Phase Comparator
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    £1,020.00 £850.00
    • Analogue indication of phase status
    • 11/33kV operation
    • Comparison between phases
    1,700 Reward Points
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    SKU: E4550
  6. Metrohm E4540 11kV Analogue Phase Comparator All Metrohm Products
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    Metrohm E4540 11kV Analogue Phase Comparator
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    £1,020.00 £850.00
    • 11kV system
    • Compare phase
    • Analogue indication of phase status
    1,700 Reward Points
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    SKU: E4540
  7. Single Pole Phase Comparator 6-18kV (Choice of Mounting) All CATU Products
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    CATU Single Pole Phase Comparator 6-18kV (Choice of Mounting)
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    As low as £1,024.92 £854.10
    • 6 to 18kv range
    • Measures 0.55m
    • Made for attachment to insulating poles to extend reach
    1,708 Reward Points
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    SKU: CL-7-06/18
  8. Single Pole Phase Comparator 10-30kV (Choice of Mounting) All CATU Products
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    CATU Single Pole Phase Comparator 10-30kV (Choice of Mounting)
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    As low as £1,059.48 £882.90
    • 10 to 30kV range
    • Attaches to insulated poles for extra extension
    • LED indication of phase status
    1,764 Reward Points
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    SKU: CL-7-10/30
  9. Single Pole Phase Comparator 12-36kV (Choice of Mounting) All CATU Products
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    CATU Single Pole Phase Comparator 12-36kV (Choice of Mounting)
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    As low as £1,203.12 £1,002.60
    • 12-36kV range
    • Attaches to insulated poles
    • Multiple LED indicators
    2,004 Reward Points
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    SKU: CL-7-12/36
  10. Single Pole Phase Comparator 10-30kV (Choice of Mounting) All CATU Products
    Free Delivery  
    CATU Single Pole Phase Comparator 10-30kV (Choice of Mounting)
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    As low as £1,203.12 £1,002.60
    • 1.15m pole
    • LED indicators of phase
    • Suitable for use on high voltage systems with 10 to 30kV range
    2,004 Reward Points
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    SKU: CL-7-10/30/1
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About Phase Comparators

Phasing rods, phase comparators and phasing sticks are used to accurately determine the difference between phase on various types of high voltage systems.

Generally constructed of high quality durable fibreglass or composite materials, phase comparators are usually large in size, but lightweight enough to be easily moved from testing point to testing point. Depending on the model in question the phase testing device will either use an analogue/digital meter attached to the rod or will instead use visible light indicators to showcase phase differences.

Phase comparators consist of two long-length rods attached together via a length of cable. Each rod must be attached to the point of measurement and the indication method will then show the difference of phase between these two measurement points.

The rods are designed for attachment to various types of high voltage systems and are also compatible with accessories such as bent-end adaptors to enable them to be used on more difficult applications such as switchgear. Bent end adaptors are available at different angles for attachment to various types of switchgear. The rods can also be attached to other HV equipment such as overhead lines by using the right adaptors and equipment.

Phasing rods also generally incorporate a set of limiting resistors and are used for comparing the phase angle voltage at the point of intended paralleling of two high voltage circuits.

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