
LV100-4000/SP15 Product Description: Industrial-Grade Isolated Voltage Sensing
LV100-4000/SP15 Key Features
The LV100-4000/SP15 is a high-performance Hall effect voltage transducer developed by LEM, engineered for demanding industrial environments. It delivers contactless, high-precision, and galvanic isolation for DC and AC voltage measurement, eliminating the insulation risks and drift errors inherent in traditional resistor divider networks. Engineered with ultra-low thermal drift (<100 ppm/°C), exceptional linearity (<0.2%), and a fast response time (<3 µs), it ensures signal stability under dynamic load conditions. Its modular housing enables plug-and-play integration with standard industrial interfaces, significantly streamlining system design and deployment.
LV100-4000/SP15 Technical Specifications
Rated Voltage: 4000 V DC / AC RMS
Measurement Range: ±4000 V
Supply Voltage: ±15 V ±5%
Output Signal: Analog voltage, proportional output (typical: ±4 V)
Accuracy: ±0.4% at 25°C, ±0.8% from -40°C to +85°C
Operating Temperature: -40°C to +85°C
Isolation Voltage: ≥8 kV RMS (50 Hz, 1 min)
Response Time: < 3 µs
Bandwidth: DC to 100 kHz
Encapsulation: Compact, molded module compliant with UL/IEC 61010-1 safety standards
LV100-4000/SP15 Applications
This transducer is widely deployed in high-voltage systems demanding safety and precision:
Renewable Energy Inverters: Real-time DC bus voltage monitoring in photovoltaic and energy storage systems
High-Voltage Direct Current (HVDC) Transmission: Accurate voltage feedback from high-potential sides in converter stations
Industrial Variable Frequency Drives: Provides isolated feedback for motor control, enhancing system stability
Power Monitoring and Protection Systems: Enables reliable protection logic in traction power, rail transit, and large-scale UPS installations
Laboratory and Calibration Equipment: Serves as a precision reference for calibrating high-voltage instrumentation
Why Choose LV100-4000/SP15 This Model?
Selecting the LV100-4000/SP15 means choosing industrial-grade reliability and global technological leadership. Unlike conventional sensors, it employs LEM’s proprietary closed-loop Hall effect technology, maintaining exceptional stability across wide temperature ranges and in high electromagnetic interference environments. Its fully encapsulated, potting-sealed construction resists dust, moisture, and corrosive atmospheres, ensuring a service life exceeding 20 years. As a preferred component among leading industrial equipment manufacturers, it is certified to ISO 9001, ISO 14001, and RoHS standards. Customizable output scaling and interface options ensure seamless compatibility with PLCs, DCS, and SCADA systems. Proven through millions of operational hours in critical infrastructure, it dramatically reduces system downtime and maintenance costs — making it the ideal sensing core for next-generation smart power systems.
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