Industrial current sensors are essential components in automated systems and industrial processes enhancing efficiency, accuracy, and safety across a wide range of industries. The choice of sensor depends on the specific application requirements, including the type of measurement, environment, and desired accuracy.
By ensuring the safe and efficient operation of electrical equipment, LEM’s current transducers offer improved performance, reduced downtime, and enhanced safety across various industrial applications.
The Current Sensing Function in HVAC Systems
HVAC (Heating, Ventilation, and Air Conditioning) systems are essential for maintaining air quality and energy efficiency in residential, commercial, and industrial buildings. Within these systems, industrial current sensors play a pivotal role in monitoring and controlling electrical loads, ensuring efficient, reliable, and safe operation.
HVAC current sensors are integral to the functionality of HVAC systems. They provide real-time data on electrical currents, which is crucial for several reasons. By continuously monitoring the current, industrial transducers help optimize the operation of HVAC systems, reducing energy consumption and utility costs. This is particularly important as buildings strive to meet energy efficiency standards. Additionally, they detect abnormal conditions such as overcurrent or short circuits, allowing the system to take protective actions, such as shutting down components to prevent damage.
LEM current sensors in HVAC systems
Accurate current measurement ensures that HVAC systems operate within their optimal parameters, helping maintain consistent indoor temperatures and air quality, which contributes to occupant comfort. The data collected by current sensors can also be used for predictive maintenance. By analyzing current patterns, potential issues can be identified and addressed before they lead to system failures.
White Goods & Household appliances current measurement
In the realm of household appliances, known as white goods, current sensors are indispensable.
These appliances, including refrigerators, washing machines, dishwashers, and ovens, rely on current sensors to monitor their electrical consumption and ensure safe operation. By providing accurate measurements of electrical currents, these white goods sensors help optimize the performance of appliances, making them more energy-efficient and cost-effective. This optimization is crucial as it helps in enhancing the overall sustainability of household operations.
Current sensors in white goods also play a significant role in ensuring the safety and durability of these appliances. Here again, they can detect anomalies such as overcurrent or short circuits, triggering protective actions to prevent damage.
LEM sensors in a dishwasher
Accurate current measurement ensures that appliances operate within their ideal parameters, maintaining consistent performance and extending their lifespan.
Current Sensors for Industrial Automation Solutions
LEM provides advanced current sensors that enhance the efficiency and reliability of industrial automations solutions such as White Goods and HVAC systems.
LEM's current sensors deliver accurate measurements, ensuring that industrial automation systems can maintain precise control over electrical loads. Built to withstand harsh conditions, our sensors ensure continuous and reliable operation, reducing downtime and maintenance costs. By providing real-time data, LEM's sensors help industrial systems operate more efficiently, contributing to energy savings and sustainability goals.
| Bandwidth | 200kHz | 200KHz | 200KHz | 300kHz | 90kHz - 450kHz | 300kHz | 1000kHz | 200kHz | 300kHz | 100kHz - 350 kHz | 200kHz | 100kHz – 200kHz | 50kHz | 20H – 6000Hz | 180kHz | 150kHz | 200kHz | 1000kHz |
| Current Range Max | 150A | 180A | 1050 A | 10A – 75A | 25A – 300A | 10A – 75A | 125A - 250A | 180A | 20A – 150A | 15A - 625A | 380 A | 55A – 200A | 150A – 900A | 600A – 1800A | 250A – 1400A | 500A - 2000A | 4500A | 9000A |
| Input Voltage | 5V | 5V | 12V / 15V / 24V | 3.3V – 5V | 3.3V – 5V | 3.3V – 5V | 3.3V - 5V | 5V | 5V | 5V | 4.75V – 5.25V | 12V – 15V | 15V | 20V – 50V | 3.3V – 5V | 3.3V – 5V | 12V – 15V – 24V | 12V - 24 V |
| Mounting | PCB | PCB | PCB, Panel | SOIC8 | PCB | SOIC16 | PCB | PCB | PCB | PCB, Panel | PCB | PCB | Panel | Panel | Panel | Busbar, Panel | Panel, PCB | Busbar |
| Output | Voltage | Voltage | Current | Analog | Voltage | Analog, Digital | Voltage | Voltage | Voltage | Voltage | Voltage | Current | Voltage | Voltage / Current | Voltage | Voltage | Current | Voltage / Current |
| Overall Accuracy | 1% | 0.8% - 1% | 0.4% - 1.4% | 1.3% - 3% | 1% | 1% - 3% | 1.2% - 1.45% | 0.4% - 1% | 0.5% - 0.7% | 1% - 1.35% | 0.83% | 0.3% - 0.41% | 1% - 1.25% | 1% | 1% - 1.25% | 1% | 0.2% - 0.6% | 0.5% |
| Technology | Closed Loop Fluxgate | Closed Loop Fluxgate | Closed Loop Hall Effect | ICS | Open Loop Hall Effect | ICS | Open Loop Hall Effect | Closed Loop Hall Effect | Closed Loop Hall Effect | Open Loop Hall Effect | Closed Loop Hall Effect | Closed Loop Hall Effect | Open Loop Hall Effect | Open Loop Hall Effect | Open Loop Hall Effect | Open Loop Hall Effect | Closed Loop Hall Effect | Open Loop Coreless |
Certificates and standards
Compliance with the highest industry standards
LEM products and processes comply with reference standards in the industry:
- CE marking of LEM transducers in recognition of their electromagnetic compatibility
- IEC standards for automation applications:
- IEC 61869-2,-6,-8, -10, -14, -15, for performances
- IEC 61010-1, -2-030, -2-032, -031 for safety
- IEC 61800-1 & -2 for climatic and mechanical constraints
- IEC 61326-1 for EMC
- RoHS compliant
- ISO TS 16949 certification of all production and development centers (Switzerland and China)
Quality products and services: our priority
Based on our deep knowledge of applications and current measurement technologies, LEM develops both catalog and customized products which can be perfectly tailored to meet your needs in terms of performance, space requirement and cost.
PRODUCT DOCUMENTATION
Explore the cutting-edge technologies LEM offers for industrial automation applications. Delve into the specifics and download our brochure for a comprehensive understanding:
Application Guide: Find the Right Sensor Faster
Explore a wide range of real-world applications and discover how current and voltage sensing technologies are integrated into modern system architectures.
The LEM Application Guide combines application block diagrams, sensing insights, and recommended products to help engineers and developers identify the right solution and accelerate their design process.
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