The electrical phase rotation meter uses a 9V battery, which can be used for about one year, and the frequency range is 2Hz~400Hz. It uses a magnetic field measurement method with a high degree of precision and accuracy.
Accurate Detection
Easy Operation
The application scenarios of phase sequence meters are very wide, covering multiple fields from basic power system debugging to complex industrial control systems. It has a wide range of applications in multiple fields. It not only ensures the correct operation of the equipment but also improves the safety and efficiency of the system. With the continuous advancement of technology, the functions of the phase sequence meter will be more diversified in the future, and its application in various fields will become more popular and important.
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Model | SISCO-DT902 |
AC Voltage | 120~400V |
Test Frequency | 2~400Hz |
Test Current | <3mA |
Power Supply | 9V battery |
Dimensions | 130mm×69mm×32mm |
Working Temperature | 0~40℃ |
Working humidity | 15%~80% |
Pollution Degree | II |
Protection Level | CATII1300V |
Explosion Protection Type | IP40 |
Weight | 130g |
Q1: What factors can affect the phase rotation meter?
A1: The measurement accuracy and stability of the phase sequence meter may be affected by many factors. First, an unstable power supply or voltage that is too high or too low may cause deviations in the measurement results of the phase sequence meter. Secondly, circuit board aging, component damage, etc. may affect the normal operation of the phase sequence meter. In addition, sensor failure or damage will not be able to correctly detect the phase sequence information of the power supply. Of course, human errors in equipment settings or operating methods can also lead to measurement errors.
Q2: How does a phase rotation meter work?
A2: The working principle of the phase sequence meter is based on the detection and processing of three-phase voltage or current signals. It determines whether the phase sequence is correct by comparing the phase difference between the three-phase voltages. Common phase sequence detection algorithms include those based on zero-sequence detection and those based on positive and negative sequence components. When the phase sequence is correct, these algorithms will output corresponding signals to indicate that the phase sequence is correct; otherwise, they will indicate that the phase sequence is wrong.
Q3: What technical parameters should be paid attention to?
A3: The technical parameters of the phase sequence meter include but are not limited to input voltage range, power supply voltage, meter size, weight, ambient temperature, humidity, etc. These parameters are crucial for evaluating the performance and application scope of the phase sequence meter. In addition, the phase sequence meter must also have a certain insulation strength and anti-interference ability to adapt to different use environments and ensure the safety of operators.
Tips: How to choose a suitable phase sequence indicator?
Phase sequence meters are mainly divided into contact and non-contact types. The contact phase sequence meter requires the terminals of the three-phase wire to be opened and the three exposed clips or test pins of the phase sequence meter to be connected to the exposed live wire. The non-contact phase sequence meter uses a clamp-shaped non-contact inductive measurement to directly detect the phase sequence. The following factors should also be considered when choosing a suitable phase sequence meter:
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