Phase Rotation Meters

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Non Contact Phase Rotation Meter, AC 70-1000V

SISCO-PRM-262

SISCO non contact phase rotation meter has the functions of live line inspection, simple power inspection, circuit breaker search, breakpoint location, line maintenance, etc. The phase rotation tester can automatically switch on and off, measure the highest voltage of AC 1000V, and is equipped with a rotating lighting LED, buzzer prompt, and three-color induction test clip, which can more intuitively understand the phase rotation and provide a convenient and safe operating environment for operators.

$270.75

Three Phase Sequence Indicator, AC 40-690V

SISCO-PRM-261A

The three phase sequence indicator can be powered directly by the power supply under test without batteries. The large LCD screen displays the AC voltage of 40~690V, and the voltage can be continuously tested for 30 minutes. The rotation meter is often used to determine the magnetic field direction of the three-phase system, phase sequence rotation, and motor rotation direction measurement.

$114.76

3 Phase Motor Rotation Tester, AC 90-600V

SISCO-PRM-261B

SISCO 3 phase motor rotation tester can measure AC voltage of 90~600V, and the voltage can be continuously tested for 30 minutes. Its unique non-contact motor direction indication does not require wiring. Just place the instrument above the motor and parallel to the motor (the instrument is no more than 2.5cm away from the motor). 3 phase sequence indicator can withstand a drop test at a height of 2 meters.

$126.47

3 Phase Motor Rotation Meter, AC 120-400V

SISCO-PRM-902

SISCO 3 phase motor rotation meter is suitable for three-phase AC voltage 1~400V, non-contact speed measurement method, which is safer. It has LED lights to indicate the phase and a motor rotation direction indicator, making the test results clearer. Double insulation protection, coupled with a portable design, is a powerful tool for your on-site testing.

$135.38

3 Phase Sequence Tester, AC 60-600V

SISCO-PRM-8030

The 3 phase sequence test has a voltage range of 200V-480V, 5 LED indicators, and a buzzer prompt, which makes it more efficient in judging the phase sequence and rotation direction. No batteries are required, the rotation meter is environmentally friendly and durable, easy to operate, and designed for detecting the state of the open phase and phase continuity.

$49.85

Three Phase Rotation Tester, AC 60-600V

SISCO-PRM-852

SISCO three phase rotation tester can measure 60-600V three-phase AC. The instrument is equipped with 3 test probes, and the pins can be connected to alligator clips. The motor rotation tester can measure the frequency range of 20Hz~400Hz can work normally without batteries and is portable.

$50.78

Non Contact Phase Sequence Tester, AC 70-1000V

SISCO-PRM-2060

The non contact phase sequence tester can detect live electricity of 70V-1000V. It adopts clamp-shaped non-contact inductive measurement. The three super-sensitive insulating clamps are directly clamped on the insulation sheath of the three-phase live wire to detect the phase sequence. The 50Hz/60Hz sine wave is continuously input and automatically identified. After about 6 minutes of power-on, the meter automatically shuts down to save battery energy.

$166.79

A phase rotation meter is an important power measurement equipment. It is mainly used to measure the order of a three phase power supply. The phase sequence meter to the sequential change of instantaneous values of three-phase AC power from negative values to positive values through zero values. The correctness of the sequence is directly related to the safety of the power system and the normal operation of the equipment. The sequence meter has many important functions in power system installation, testing, maintenance, and fault detection, so as to ensure the stable operation of the power system and the safe use of equipment.

What is the order?
In a three-phase power system, phase sequence refers to the phase relationship of three-phase voltage or current signals, and refers to the phase order of the A-phase, B-phase, and C-phase three-phase voltage waveforms. In this power system, the phase order of phase A, phase B, and phase C should be according to the order of A, B, and C, that is, phase A should go to phase B, and phase B should go to phase C. If the sequence is incorrect, such as changing the ABC sequence to ACB or BCA, the three-phase voltage waveform in the power system will appear to seriously malfunction, which may cause damage to the corresponding power equipment and even cause accidents.

Phase Sequence Meter Application Fields
Phase sequence meters are widely used in the power industry, electronic manufacturing, industrial control, and other fields. In the power system, phase sequence indicator meters are used to detect the phase sequence of substations, distribution rooms, and various power facilities. In the manufacturing industry, phase sequence indicators are also commonly used for the commissioning and maintenance of power equipment on the production line. In addition, phase sequence meters also play an important role in many fields such as construction, transportation, and agricultural production.

Phase sequence meters not only play an important role in industrial production and power system maintenance but are also closely related to us in daily life. Whether at home or in the office, phase sequence meters can help us ensure the safe and stable operation of power equipment and systems, and improve life and work efficiency.

In terms of household appliances, the use of phase sequence meters can ensure the correct access and operation of household appliances. The use of a phase sequence meter can quickly detect whether the power phase sequence in the home is correct, avoiding equipment damage or abnormal operation caused by incorrect phase sequence.
In office environments, phase sequence meters also have important applications. Computer networks, printing equipment, and other office automation equipment in offices often have high requirements for power supply stability. By regularly using a phase sequence meter to detect the power supply system, it can be ensured that these devices operate in the best condition, thereby improving work efficiency and equipment life.
In the maintenance and commissioning of the power system, the phase sequence meter is used to detect and correct the phase sequence of the power grid to ensure the normal operation of power facilities and the stability of the power grid. Especially when new facilities or equipment are connected to the power grid, the role of the phase sequence meter is particularly prominent.

Latest Research and Development
With the development of science and technology, phase rotation testers are also constantly improving. Modern electrical phase rotation meters tend to be digital and intelligent, with more functions, such as remote monitoring, data analysis, etc. For example, some new sequence meters have integrated multiple protection functions such as temperature protection and overload protection, and use more advanced microprocessor technology and non-volatile memory to make their performance more stable and easier to operate. Not only does it play an indispensable role in the power system, but it is also widely used in many industries. With the continuous development of technology, future phase sequence meters will better serve the stable operation and safety of power systems and various electrical equipment.