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LV100/SP67;LV 100/SP67

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  • MacroQuest Part#LV100/SP67
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
  • $291.83 - $399.75
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    Pieces(Min. Order)
    1-9 Pieces $399.75
    10-99 Pieces $330.99
    >=100 Pieces $291.83
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    Description FAQ Review
    Description

    Product Name: LV100/SP67 High-Precision Voltage Transducer (Closed-Loop Hall Effect)

     

    LV100/SP67 Product Overview

    The LV100/SP67 belongs to LEM’s LV100 series of voltage transducers. It is a cost-effective, high-performance closed-loop Hall effect device. Even in environments with strong interference, it maintains accurate voltage measurement and signal conversion, making it widely used in industrial automation, energy storage systems, electric locomotives, power transmission & distribution, and renewable energy generation.

    This transducer supports userselectable external resistors (R1), allowing the rated voltage to be flexibly adapted from 100 V up to 2500 V for DC, AC, or pulsed voltages, meeting the design requirements of diverse applications.

     

    LV100/SP67 Core Technology – Closed-Loop Hall Effect

    Compared with traditional voltage dividers or isolated amplifiers, the LV100/SP67 employs advanced closedloop Hall effect technology. Its operating principle uses a compensation current to minimise errors in the primary voltage signal, delivering extremely high linearity and very low temperature drift. Key advantages include:

    Technical Advantage

    Description

    High accuracy & linearity

    Maintains stable gain over the full measurement range, eliminating nonlinear uncertainties

    Excellent temperature stability

    Minimal performance variation across the entire operating temperature range, reducing calibration and maintenance

    Fast response

    Delivers instantaneous 50 mA secondary current output – ideal for dynamic voltage/current monitoring

    Strong galvanic isolation

    Complete electrical isolation between primary and secondary circuits, ensuring safety for downstream equipment and operators

     

    LV100/SP67 Key Performance Advantages (Accurate · Stable · Durable)

    Outstanding Measurement Accuracy

    Accuracy up to 0.7% – faithfully reproduces the measured voltage signal and effectively reduces system control errors. In automated production lines or highprecision power equipment, this level of accuracy ensures that the control system receives reliable, realtime voltage feedback.

    Wide Operating Temperature Range

    Supports -40℃ to 80℃ – reliable operation in both severe cold (northern winters) and intense heat (southern summers). This makes the sensor particularly advantageous in demanding environments such as outdoor wind power installations and electric locomotives.

    Excellent Galvanic Isolation & Safety

    Thanks to closedloop Hall effect technology, the primary circuit (voltage under test) is completely electrically isolated from the secondary output signal. This prevents high voltages from entering the lowvoltage control system, ensuring the safety of both the measurement system and personnel.

    Panel Mounting – Easy Integration

    Panelmount design allows engineers to quickly integrate the sensor into cabinets or distribution boxes, reducing electrical design time and assembly effort.

    Wide Bipolar Supply Voltage – Strong Compatibility

    Operating voltage: ±15 V DC bipolar external supply – compatible with standard industrial power systems, enabling seamless integration into existing electrical control architectures.

     

    LV100/SP67 Technical Specifications

    Parameter

    Value

    Series / Model

    LV100/SP67

    Type

    Voltage transducer

    Rated input current

    10 mA (rated voltage is set by external resistor R1)

    Measuring range

    20 mA

    Rated voltage range (adjustable)

    100 V – 2500 V (via userselected R1)

    Output signal type

    Instantaneous secondary current

    Secondary output signal

    50 mA

    Accuracy

    0.7%

    Technology

    Closedloop Hall effect

    Supply voltage

    ±15 V DC (bipolar external)

    Operating temperature range

    -40℃ to 80℃

    Mounting type

    Panel mount

     

    LV100/SP67 Typical Applications

    The LV100/SP67 is widely used in the following key areas:

    Energy storage & power generation systems – precise monitoring of battery pack and power conversion module voltages

    Power T&D systems – longterm stable operation in substations, wind farms, and photovoltaic plants under harsh electrical conditions

    Electric locomotives & traction systems – onboard highvoltage detection in rail applications

    Industrial automation – voltage closedloop control in inverters, servo drives, and other power electronics

    Renewable gridconnected equipment – realtime voltage monitoring in PV inverters and energy storage converters (PCS)

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    Mar 28, 2026
    The quality is very good,very satisfied
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    Commodity quality is good, details, quality
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