---
lang: "en"
title: "EMU Professional II 3/100"
canonical_url: "https://shop.marcomweb.it/en/energy-meters/emu-professional-ii-3100"
brand: "MARCOM S.r.l."
---

## Available variants

---
title: "EMU Professional II 3/100 — Variant: EMU Professional II 3/100"
sku: "P20A0000"
canonical_url: "https://shop.marcomweb.it/en/energy-meters/emu-professional-ii-3100?config=1472"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

---
title: "EMU Professional II 3/100 — Variant: EMU Professional II 3/100 M-Bus"
sku: "P20A000M"
canonical_url: "https://shop.marcomweb.it/en/energy-meters/emu-professional-ii-3100?config=1473"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

---
title: "EMU Professional II 3/100 — Variant: EMU Professional II 3/100 Modbus RTU"
sku: "P20A000MO"
canonical_url: "https://shop.marcomweb.it/en/energy-meters/emu-professional-ii-3100?config=1474"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

---
title: "EMU Professional II 3/100 — Variant: EMU Professional II 3/100 TCP/IP"
sku: "P20A000T"
canonical_url: "https://shop.marcomweb.it/en/energy-meters/emu-professional-ii-3100?config=1475"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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EMU Professional II multifunction energy and power meter, direct connection, with datalogger functions.

The bidirectional three-phase energy meter EMU Professional II 3/100 TCP/IP for DIN rail mounting is suitable for energy management in accordance with ISO 50001 and for billing energy costs. Integrated load profile memory with a memory depth of over 3 years at 15-minute intervals.

### Technical Features

- Bidirectional three-phase meter with TCP/IP LAN interface
- Remote reading via Modbus TCP and API
- Web server access protected by password
- Logging of various measurement values and export in CSV format or via API
- Memory depth of over 3 years at 15-minute intervals
- 3x230/400V
- Direct connection up to 100 A
- MID B+D, for billing purposes
- Accuracy class B (1%)

### TCP/IP Interface

The integrated TCP/IP LAN interface is protected against dirt and tampering.
Various measurement readings can be analyzed via the web browser and IP address in a LAN or WAN network.

- Remote reading via Modbus TCP
- HTTP-GET API
- NTP server for time synchronization
- Buffered clock with synchronization
- Configuration via DHCP or static IP
- Modbus TCP

### Energy Meter Readings

- Active energy consumed (kWh) and supplied (kWh)
- Reactive energy consumed (kvarh) and supplied (kvarh)
- Active power (kW)
- Reactive power (kvar)
- Apparent power (kVA)
- Current (A)
- Frequency (Hz)
- Number of voltage interruptions

### LCD Display

Reading and parameter configuration are intuitive thanks to a 38x28 mm graphic LCD display with LED backlight. This ensures excellent visibility of numbers and letters.
The display language, e.g., English or German, can be selected via the keys.

### Energy Meter Configuration

Touch-sensitive buttons are used for configuration. A sealable service button must be pressed for each configuration change.
Network parameters can be easily configured via the website.

### S0 Pulse Output

The three-phase energy meter EMU Professional II 3/100 TCP/IP features a configurable S0 pulse output for active or reactive energy.

- Pulse frequency per kWh/kvarh: 1, 10, 100, 1000 or 10,000
- Pulse length in milliseconds: 2ms, 10ms, 30ms, 40ms, 120ms

### Factory Meter Configuration

- Network configuration: DHCP
- S0 pulse output: 1,000 pulses/40 ms

---

Source: https://shop.marcomweb.it/en/energy-meters/emu-professional-ii-3100

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.