Janitza Power Analyser UMG 104 power meter

The Janitza UMG 104 power meter is a compact, precision measuring instrument designed to measure various variables of the electrical network, such as voltage, current, energy and harmonic components. This device is ideal for monitoring electrical networks in buildings, for use in distribution cabinets and switchboards.

Main features

Flexibility and compatibility:

• Compatibility with IT, TN and TT systems.
• 4 voltage and 4 current measurement inputs.
• Continuous voltage and current measurement.

Extensive measurements:

• Energy and power measurement, harmonic analysis up to component 1-40.
• Measurement classes:
• Energy: 0.5S (with ../5A current transformer), 1 (with ../1A current transformer).
• Voltage and current: ±0.2–0.25%.
• Frequency measurement: 45–65 Hz (accuracy: ±0.01 Hz).

Digital interfaces:

• RS485 and RS232 ports with support for Modbus RTU protocol.
• Optional Profibus interface.

Display and control:

• Backlit LC display.
• Easy programming with two push buttons or GridVis software.

Installation and environmental conditions:

• DIN rail mounting (35 mm).
• Compact dimensions: 107.5 mm × 90 mm × 82 mm.
• Operating temperature: -10°C to +55°C.

Application areas

• Energy and performance monitoring of electrical distribution systems.
• Measurement and monitoring of building engineering systems.
• Measurements in the presence of network frequency converters.

Recommendations

The Janitza UMG 104 energy meter is an excellent choice for those looking for an accurate, versatile and easy-to-install energy monitoring tool. It is suitable for residential, commercial and industrial systems and can be easily integrated into existing networks.