LF2005-S/SP46，LF 2005-S/SP46

‌LF2005-S/SP46 Product Details — The Benchmark for High-Temperature Industrial Current Sensing

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LF2005-S/SP46 ‌Key Features‌
‌High-Temperature Stability‌: Engineered for extreme thermal environments, with an operating temperature range of ‌-40°C to +85°C‌, ensuring consistent signal output in high-heat applications such as welding equipment, metallurgical controls, and densely packed power cabinets.
‌Closed-Loop Hall Effect Precision‌: Leverages LEM’s proprietary closed-loop compensation technology to deliver ‌±0.2% accuracy‌, automatically correcting zero drift and nonlinearity — factory-calibrated and maintenance-free for life.
‌Dual-Supply Compatibility‌: Supports ‌±12 V to ±24 V‌ input voltage, seamlessly integrating with industrial DC bus systems, UPS units, and multi-voltage platforms without additional regulation circuitry.
‌Panel Mount Design‌: Compact, space-saving panel mount configuration allows vertical or horizontal installation, ideal for crowded control panels. Compatible with standard industrial connectors including Molex and JST.
‌Industrial-Grade EMI Shielding‌: Fully enclosed magnetic circuit with a metallic housing provides superior electromagnetic interference rejection, ensuring clean output signals even in high-noise environments dominated by VFDs and IGBT switching.
‌Global 5-Year Warranty with Local Support‌: Backed by LEM’s worldwide five-year warranty, with dedicated technical support and ‌48-hour spare parts response‌ from the LEM China Technical Center in Jining, Shandong.

LF2005-S/SP46 ‌Technical Specifications‌

‌Measurement Range‌: 100 A – 2000 A (DC, AC, pulsed)

‌Output Type‌: Current output (typical 50 mA)

‌Supply Voltage‌: ±12 V to ±24 V (dual supply)

‌Accuracy‌: ±0.2%

‌Response Time‌: <1 µs

‌Isolation Voltage‌: >5 kV RMS

‌Operating Temperature‌: -40°C to +85°C

‌Mounting Style‌: Panel mount, terminal block connection

‌Connector Options‌: Molex, JST industrial standard interfaces

‌Certifications‌: EN 50178, CE, RoHS compliant

‌Weight‌: ~100 g

‌Housing Material‌: Metal shielded casing for enhanced thermal dissipation and EMI suppression

LF2005-S/SP46 ‌Applications‌
The LF2005-S/SP46 is the preferred solution for current monitoring in high-heat industrial environments:

‌High-Temperature Industrial Equipment‌: Dynamic current feedback and overload protection in high-power arc welders, induction heaters, injection molding machines, and metal smelting furnaces

‌Renewable Energy Systems‌: Precise charge/discharge monitoring in photovoltaic inverters, battery management systems (BMS), and high-power DC-DC converters

‌Industrial Automation‌: Real-time feedback and fault diagnostics in dense VFD clusters, servo drives, and switch-mode power supplies (SMPS)

‌Rail Transportation‌: Stable current sampling in auxiliary power units, traction converters, and braking resistor monitoring under elevated thermal loads

‌Electric Vehicle Charging‌: Current surveillance within high-power DC fast-charging stations to ensure safety, efficiency, and system longevity

‌Why Choose LF2005-S/SP46?‌
In the competitive landscape of industrial current sensing, the LF2005-S/SP46 stands out through ‌thermal resilience‌ and ‌system-level reliability‌:

‌Engineered for Heat‌: With an upper limit of ‌+85°C‌, it outperforms the SP10 variant (+70°C) by enabling full-rated operation without derating — the only closed-loop sensor in its class that maintains accuracy under sustained high-temperature stress.

‌Superior Noise Immunity‌: Optimized magnetic shielding reduces output noise by over 30% compared to competing sensors in VFD-dense factories, minimizing false tripping and system downtime.

‌Plug-and-Play Integration‌: Standard 50 mA current output connects directly to PLCs, DCS, or data acquisition modules — eliminating the need for external signal conditioning, reducing system integration time by over 30%.

‌Localized Technical Support‌: LEM’s Jining, Shandong technical center provides ‌48-hour spare parts delivery‌, free engineering consultation, and on-site installation guidance — eliminating delays from international logistics.