LEM Products | Current Sensors and Voltage Sensors | BeiLuo

LEM Current Sensors

Current Sensors - LEM Current Sensor Distributor | Closed-Loop and Open-Loop Hall

Key parameters

• Closed-loop and open-loop Hall technology
• Nominal current from 20 A to 50 A
• Measuring range up to ±150 A
• Single or bipolar supply options
• Galvanic isolation with PCB or panel mounting

Typical models

• LA55-P
• LTS25-NP
• HAS50-S
• HLSR20-P

Applications

• Motor drives and servo inverters
• Solar inverters and MPPT boost stages
• Battery management and pack monitoring
• Switch-mode power supplies and UPS
• Welding and induction heating

Advantages

• Galvanic isolation protects the control side
• Low offset and gain drift over temperature
• Compact module with factory calibration
• Current or voltage output for easy ADC interface

Complementary parts

• LV25-P
• DVL500
• DVC1000-P

LEM Voltage Sensors

Voltage Sensors - LEM Voltage Sensor Distributor | Isolated Voltage Transducers

Key parameters

• Closed-loop Hall and insulation digital technology
• Nominal voltage from 500 V to 1000 V
• Measuring range up to ±1500 V
• Current output or voltage output options
• PCB or panel mounting with galvanic isolation

Typical models

• LV25-P
• DVL500
• DVL1000
• DVC1000-P

Applications

• DC-link voltage monitoring in drives
• Grid voltage measurement in solar and storage
• Traction and battery voltage sensing in EVs
• UPS and power-supply rail monitoring
• Industrial process voltage measurement

Advantages

• Galvanic isolation for safe HV measurement
• User-selectable range via primary resistor
• Excellent accuracy with low offset drift
• Compact, lightweight panel and PCB formats

Complementary parts

• LA55-P
• LTS25-NP
• HLSR20-P