IN 1000-S

Current Sensors Overview

The LEM USA Inc. IN 1000-S is a high-precision closed-loop current transducer utilizing fluxgate technology for galvanic isolation. It measures DC, AC, and pulsed currents with a primary rating of 1000A and a peak capacity of 1500A. The device features a wide bandwidth from DC to 440 kHz (-3 dB) and operates within an extended temperature range of -40°C to +85°C. It requires a +/-15 V DC supply and accommodates a circular primary conductor up to 38.2 mm in diameter. The unit includes status indication outputs and offers low noise performance with high stability.

Current Sensors Feature Summary

• Integrates advanced fluxgate technology for ultra-high precision measurement and reduced noise
• Provides galvanic isolation between primary and secondary circuits without insertion loss
• Features a compact monolithic structure allowing flexible panel mounting options
• Includes built-in protection functions and external LED status indicators

Current Sensors Applications

• Medical equipment such as MRI and proton therapy systems
• High-precision motor controllers
• Industrial application testers and laboratory instruments
• Metering devices requiring extreme accuracy

Current Sensors Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required connector types and mounting configurations. Confirm that the supply voltage matches the +/-15 V DC requirement. Check for CE certification compliance if operating in regulated markets. Ensure the primary conductor diameter does not exceed 38.2 mm. Validate the extended temperature range suitability for the intended environment.

Current Sensors Selection Notes

Select this model when extreme accuracy and low noise are critical for DC or pulsed current measurements. The wide bandwidth supports applications up to 440 kHz. Consider the extended temperature range for harsh environments compared to standard sensors. The integrated design simplifies installation by eliminating separate signal processing units. Verify mechanical constraints regarding the large primary hole size.

Current Sensors Part Context

The IN 1000-S belongs to LEM's IN Series, representing the manufacturer's most advanced group of high-precision current sensors. This series distinguishes itself by combining fluxgate detection with a compact form factor. Unlike traditional solutions requiring separate probes and processing circuits, this component integrates all functions into a single module designed for demanding industrial and medical applications.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.