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    Phase Sequence Detector, Wireless, 1V~600V, 30m

    Buy a wireless phase detector online, used for ring main unit phase detection of the power distribution system, phase, frequency, and phase sequence test. The phase tester has a voltage range 1V~600V, 0°~360° phase range and 45.0Hz~65.0Hz frequency range. Fast, safe and convenient phase sequence detector is suitable for the power industry, electronic manufacturing, industrial control and other industries.
    SKU: SISCO-PSD-163
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    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    Digital phase detector is designed for phase judgment and phase sequence testing in the 1V-600V power distribution system. 0°~360° phase range, 30m detecting distance and 45.0Hz~65.0Hz frequency range. Phase tester equipped with a 3.5-inch true-color LCD screen that can display phase, frequency, phase sequence and test results on the same screen, widely used in the power industry, electronic manufacturing, industrial control etc.

    Digital phase tester details

    Digital phase detector, with 1V~600V voltage range, 0°~360° phase range, 45.0Hz~65.0Hz frequency range and 30m phase distance.

    • The phase detector adopts wireless transmission technology, phase detecting distance 30 meters, phase detecting accurately and convenient operation.
    • Voice prompt: "X signal is normal, Y signal is normal, same phase, out phase"
    • Digital phase detector with a 3.5-inch LCD color screen can display the phase, frequency, phase sequence, and phase-detecting results on the same screen, audible alarm function is available. The dynamic vector diagram indication is clear and obvious.
    • Phase tester with data storage function can store 200 groups of data. USB interface and data upload function., stored data can upload to a computer.


    Digital phase tester details


    sisco digital phase tester can perform phase tests and phase sequence tests of power lines and substations, with phase verification, phase sequence measurement, and electrical inspection functions. Strong anti-interference performance and is suitable for various electromagnetic field interference occasions. Phase detector is widely used in the power industry, electronic manufacturing, industrial control and other industries.

    Phase tester applications

    Model SISCO-PT-1520
    Power Supply Host: 3.7V, 2600mAh rechargeable lithium battery; Detector: 3.7V, 600mAh rechargeable lithium battery
    Phase Detecting Voltage 1V~600V
    Phase Detecting Distance 30m
    Voice Prompt “X signal normal, Y signal normal, same phase, out phase”.
    Phase Qualitative Same phase:- 20°~20°; Out of phase: 100°~140° and 220°~260°
    Phase Range 0°~360°; Accuracy: ≤±8 °; Resolution: 1°
    Frequency Range 45.0Hz~65.0Hz; Accuracy: ≤±2Hz; Resolution: 0.1Hz
    Transmitting Frequency 433MHz, 315MHz
    Phase Indication Vector diagram and digital display at the same time
    Data Storage 200 groups (Power down will not lose data)
    Automatic Shutdown 15 minutes after boot up, the meter shuts down automatically without any operation
    Battery Voltage The host battery shows the power level of 4 cells. When there is only 1 cell or 0 cell, please charge; when the indicating light of the detector flashes quickly, which means that the battery voltage is low, please charge.
    Rated Current Detector: 30mA max; Host: 150mA max
    LCD Size 3.5 inch color screen; Display area: 71mm×53mm
    Weight Host:750g (include battery)
    Instrument Dimension Host 195mm*100mm*45mm; Detector: 120mm×54mm×30mm
    Working Temperature and Humidity -10℃ ~ 40℃;below 80%rh
    Store Temperature and Humidity -10℃ ~ 60℃; below 70%rh
    Protection Level IP63
    Insulation Test Host, detector: AC3700V/rms (between the exposure metal and plastic shell)
    Suitable Safety Standard It meets the standard of GB13398-92, GB311.1-311.6-8, 3DL408-91, and the national power industry standard requested (general technical conditions DL/T 971-2017 for 1kV~35kV portable nuclear phase devices for live working).
    Accessories Host: 1PCS, Detector: 2PCS, USB Data Cable: 1PCS , Cloth Bag: 1PCS, Charger: 1PCS; Alligator Clip: 2 PCS

    Package List

    Phase detector package list


    Q1: How does a phase tester work?
    A1: When the phase tester is working, the digital signal is sent to the receiving end through the wireless sending module, thereby reducing the interference and error, and greatly improving the working performance of the phase tester. When the phase detector is in use, first hang the transmitter on the conductor of the power grid under test, and then touch the receiving device to another grid conductor to be tested.

    Q2: Functions of phase detectors
    A2: sisco phase detectors can perform phase sequence detection (positive phase, anti-phase, default phase), live line inspection, simple electrical inspection, fire line identification, default phase judgment, broken line location search, DC line breakpoint detection, and line maintenance.

    Q3: Why do you need a phase tester?
    A3: If AC power supplies with different phases or phase sequences are paralleled or closed, a large current will be generated, which will cause damage to the generator or electrical equipment, so a phase detector is required for measurement.

    Phase verification refers to the use of a tester or other means to check whether the phases and phase sequences of two power sources or loops are the same in the electrical operation of the power system, which means the measurement of the phase difference in the actual operation. Newly built, rebuilt and expanded substations and transmission lines, as well as after the line is overhauled and before power is sent to users, must conduct three-phase circuit phase verification tests. Therefore, a phase tester is required.

    Tips: How to maintain a phase tester?

    • During frequency transmission calibration, the antenna must be installed before calibration, and the shell of the high-voltage phase detector must be kept clean. After using, wipe the tester with a cloth dampened with a little silicone oil.
    • The phase detector must be properly stored in the box when not in use.
    • In a low-temperature environment (-10 degrees or lower), the phase tester must be stored in a warm place as required, and the battery may fail if it is cold.
    • The phase tester should be tested before each use.

    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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