AI-PMUL Series
LEM Integrators and accessories for Rogowski Coil current sensors
AI PMUL – Rogowski Coil Integrator
The AI‑PMUL is a configurable Rogowski coil integrator designed to convert the secondary signal of Rogowski coils into a wide range of standardized outputs for power monitoring, metering, and power quality applications.
Built around a digital processing architecture, it combines high accuracy, wide dynamic range, and exceptional flexibility to support a broad range of installation requirements.
When used with LEM ART, ARU, and ARH Rogowski coils, the AI‑PMUL provides a complete and universal solution for current measurement in low‑ and medium‑voltage electrical systems.
It is particularly suited for applications requiring RMS and instantaneous measurements, energy monitoring, and power system diagnostics.
INTEGRATOR AI-PMUL SERIES
Main characteristics & benefits
- Integrator for Rogowski coils
- Signal conditioner of Rogowski coils secondary signal
- Linearity error below 0.1%
- Combined with LEM ART, ARU & ARH class 0.5 Rogowski coils, it offers a universal metering and monitoring solution
- Compact design for DIN Rail mounting
Features
- 12 current ranges selection from 100 to 5000 A
- 6 Rogowski coil sensitivity selection from 22.5 to 120 mV/KA
- 6 possible outputs selection: 4 true RMS outputs: 0-20 mA, 4-20 mA, 0-5 V & 0-10 V and 2 instantaneous voltage outputs: 0-225 mV and 0-333 mV
- Simple configuration through 2 buttons
- Visible bi-colour led indicating the status
- Operating temperature range -25°C to +70°C
- Single supply voltage +24 V
- Protection Degree IP2X
- Push-in terminals
- One power supply can be used for three devices connected to each other
Typical applications
- MV/LV substations: transformer condition monitoring
- Power measurement: current measurement for active power calculation
- Building sub-metering: energy efficiency monitoring, consumption analysis and cost allocation
- Power quality monitoring: electrical loads and distribution system equipment
- Fault Detection, Isolation and Repair (FDIR)
- Remote Terminal Units (RTU)
- Automation
- Smart Grid
SMA coaxial connector for small current measurement is proposed as option.
3 integrators AI-PMUL can be stacked together with an optional connector to share a single power supply.
INTEGRATOR AI-PMUL SERIES DOWNLOAD & TECHNICAL CHARACTERISTICS
| Product | Check stock | Document | Nominal Value | Op. Temperature | Output current (True RMS) | Output voltage (True RMS) | Output voltage (Instantaneous) |
|---|---|---|---|---|---|---|---|
| AI-PMUL | Datasheet 3D User guide | 100 A – 5000 A | -25 °C / 70 °C | 0-20 mA or 4-20 mA | 0-5 V or 0-10 V | 0-225 mVac or 0-333 mVac |
AI-PMUL – ASK FOR SAMPLES / QUOTATION
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