Current Sensors
Current Sensors Precision Measurement for Electrical Systems
Definition:
Current Sensors are specialized devices within the Sensors & Transducers category designed to detect and measure electric current flow in circuits, converting it into a standardized output signal (e.g., voltage, analog/digital data) for monitoring, control, or protection purposes. They ensure accurate, isolated current measurement without disrupting the circuit.
Types of Current Sensors:
1. Hall-Effect Sensors: Use magnetic fields to measure AC/DC currents, offering galvanic isolation and low power loss.
2. Current Transformers (CTs): Ideal for AC applications, these inductive sensors provide high accuracy and are commonly used in energy metering.
3. Rogowski Coils: Flexible, air-core coils for measuring high-frequency AC currents, suited for transient analysis.
4. Shunt Resistors: Low-cost, direct measurement via voltage drop across a resistor, best for DC/low-current applications.
5. Closed-Loop & Open-Loop Sensors: Balance precision (closed-loop) vs. cost-efficiency (open-loop) for industrial or automotive uses.
Purchasing Guidance:
- Application Needs: Match sensor type to current range (mA to kA), frequency (DC/AC), and isolation requirements.
- Output Signal: Select analog (0-5V, 4-20mA) or digital (I2C, SPI) outputs based on system compatibility.
- Environmental Factors: Consider temperature, humidity, and EMI conditions opt for ruggedized designs for harsh environments.
- Certifications: Ensure compliance with industry standards (UL, CE, RoHS) for safety and interoperability.
Current Sensors are critical for energy efficiency, circuit protection, and smart automation. Investing in the right type enhances system reliability and data accuracy. Explore our curated selection to find the optimal solution for your project.
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LA12-48V21
SENSCURR MAGNETIC DIRECT MDCS 48
MLX91220KDF-ABR-075-SP
IC CURRENT SENSOR P&P 16SOIC
AT2-005-000-SP
AC TRANSDUCER 200 A, 0-5 VDC
MGS-1800-400
MGS-1800-0400 IS A THREE-PHASE R
ACS724KMATR-30AU-T
SENSOR CURRENT HALL 30A DC
DHR 500 C420
SENSOR CURRENT HALL 500A AC/DC
LPSR 25-NP KIT
3 PIECE KIT SENSOR CURRENT HALL
SCT-0750-200
CURRENT SENSE MAGNALB 200A:333MV
MLX91221KDF-ABF-025-RE
IC CURRENT SENSOR P&P 16SOIC
HO 8-NP/SP33-1000
SENSOR CURRENT HALL 8A AC/DC
LF 510-S
C/L, ASIC 500A PANEL MOUNT
MCS1803GS-30-P
5V, LINEAR HALL-EFFECT CURRENT S
DHR 200 C420
SENSOR CURRENT HALL 200A AC/DC
HX 20-P
SENSOR CURRENT HALL 20A AC/DC
LES 50-NP
SENSOR CURRENT HALL 50A UNIPOLAR
T60404N4646X412
CURRENT SENSOR, 100A, 3 PRI PINS
HAL 500-S
SENSOR CURRENT HALL 500A AC/DC
HO 120-NP
SENSOR CURRENT HALL 120A AC/DC
ACS720KLATR-35AB-T
CURRENT SENSOR
CZ3721
5V OUTPUT ACCURATE CORELESS CU