LEM GHS-SME Series Current Transducer
The LEM GHS-SME series are Hall effect current transducers designed for electronic measurement of DC, AC, and pulsed currents with galvanic separation between primary and secondary circuits. They offer a multirange capability via PCB pattern layout, low power consumption, an extremely low profile, and a single +5 V power supply with fixed offset and sensitivity. Advantages include small size, high immunity to external interference, high insulation capability, low electrical resistance (0.8 m), no magnetic hysteresis, and robustness against external fields and cross-talk. Applications include motors control, overcurrent detection, solar inverters (MPPT), combiner boxes, and smart metering within industrial domains.
Product Attributes
- Brand: LEM
- Certifications: IEC 60950-1: 2005, EN 60749-15: 2010, EN 60749-20: 2008, EN 60749-21: 2011, IPC/JEDEC J-STD020: 2014, EIA/JEDEC J-STD022-B102: 2004, EIA/JEDEC J-STD022-B106: 2008, EIA/JEDEC J-STD022-A113: 2015
- Application Domain: Industrial
Technical Specifications
| Model | Primary Nominal RMS Current (IPN) | Primary Current Measuring Range (IPM) | Supply Voltage (UC) | Current Consumption (IC) | Output Voltage Range (Vout) | Sensitivity (G) | Offset Voltage (VO) | Linearity Error (L) | Accuracy @ IPN (TA=25C) | Accuracy @ IPN (TA=125C) | Step Response Time (tr) | Frequency Bandwidth (-3dB) (BW) | Ambient Operating Temperature (TA) |
| GHS 10-SME | 10 A | 25 25 A | 4.5 5.5 V | 7 14 mA | 10 90 % UC | 80 mV/A | 2.5 V | 0.25 0.25 % | 1.25 1.25 % | 4 4 % | 5 6 s | 100 kHz | 40 125 C |
| GHS 12-SME | 12 A | 30 30 A | 4.5 5.5 V | 7 14 mA | 10 90 % UC | 66.7 mV/A | 2.5 V | 0.25 0.25 % | 1.25 1.25 % | 4 4 % | 5 6 s | 100 kHz | 40 125 C |
| GHS 16-SME | 16 A | 40 40 A | 4.5 5.5 V | 7 14 mA | 10 90 % UC | 50 mV/A | 2.5 V | 0.25 0.25 % | 1.25 1.25 % | 4 4 % | 5 6 s | 100 kHz | 40 125 C |
| GHS 20-SME | 20 A | 50 50 A | 4.5 5.5 V | 7 14 mA | 10 90 % UC | 40 mV/A | 2.5 V | 0.25 0.25 % | 1.25 1.25 % | 4 4 % | 5 6 s | 100 kHz | 40 125 C |
2411041528_LEM-GHS-16-SME_C19593681.pdf
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