LEM's ART series offers smart grid solutions with galvanic isolation between power and measurement circuits. All while dramatically reducing error with LEM’s patented perfect loop technology. The ART series provides ease of use with its flexible clip-around application for a wide range of cable diameters.
| Features and Benefits |
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- Rated insulation voltage 1000 V Cat III PD2
- Accuracy class 0.5 (IEC 61869-2)
- Protection degree IP67
- ⌀ 70, ⌀ 125, ⌀ 175, ⌀ 300 mm sensing aperture
- 1.5 m output cable
- Ambient temperature -40°C to +80°C
- Very flexible and thin coil: 6.1 mm
- ⌀ 2 mm hole to pass a security seal tampering
- Thin, flexible, and light weight solution
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- Very low positioning error
- Quick, non-intrusive, and easy setup
- A single sensor for a large current range without overload
- Less influenced by external fields
- Adaptable for a large range of cable diameters
- An innovative patented clasp drastically reduces the positioning error near the closing
- Internal shield for enhanced measurement accuracy at low primary currents
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| Applications |
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- MV/LV substations on LV side: transformer condition monitoring
- Power metering: current measurement for active power calculation
- Building sub-metering: energy efficiency monitoring, consumption analysis, and cost allocation
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- Power quality monitoring: electrical loads and distribution system equipment
- Fault detection, isolation, and repair (FDIR): isolate the site of the fault
- Remote terminal units (RTU)
- Phasor measurement units (PMU)
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