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TOL-250R Digital Transformer Oil Level Gauge

The transformer oil level gauge is a device specifically designed for measuring the oil level in transformers . It typically consists of floating elements, transmission components, indicating elements, alarm components, sensors, etc ., and is used for real-time monitoring of the oil level in the oil storage tank. As the oil level rises or falls, the oil level can be displayed on the instru- ment panel or monitoring system, helping operators monitor the oil level. When the oil level is too high or too low, an alarm signal will be sent, ensuring the normal operation of the transformer. As an important transformer monitoring device, the transformer oil level gauge plays a crucial role in the power system. At the same time, the product has advantages such as high-precision measurement, safety and reliability, easy installation, and maintenance.

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    Dimensions1

    Main oil tank for oil-filled transformers
    Oil tank for on-load tap changers (OLTC)

    High protection level suitable for different installation needs indoors and outdoors.
    Both high oil level and low oil level have two pairs of alarm contacts.
    High precision angular displacement sensor, transmitting digital signals (compatible with 4-20mA analog signals) via RS485 to the background.
    Equipped with self-diagnostic functions, and indicated through local indicator lights.
    Self-tilting angle installation for easy observation.
    Integrated structural design, high strength, high reliability.

    Housing diamete

    250mm

    Pointer rotation angle

    120° /270° selectable

    Float rod swing angle

    45° (horizontally upward or downward)

    Repeatability

    ±2.5% FS

    Protection Class

    IP67

    Operating temperature

    -40℃ ~ +70℃ , relative humidity ≤ 95%RH

    Electrical interface size

    M25×1.5 (customizable)

    Installation method

    radial or axial

    Power supply

    AC 220V

    Electrical connection

    M25×1.5 waterproof cable connector

    Cable size: recommended 1.5mm2, Upper limit 2.5mm2

    Contact insulation performance

    insulation resistance: >300 MΩ

    Power frequency withstand voltage: 2kV, 50/60 Hz 1min

    Contact capacity

    AC 220V /5A or DC220V 0.3A

    Shock level

    three directions 15g

    Dial glass

    anti-ultraviolet coating polycarbonate

    Signal acquisition component

    linear accuracy 0.1% angle potentiometer

    24V power supply
    Additional rainproof cover shell
    C5 or above corrosion resistance grade

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