MTS 320 Meter Test System (3-phase)

Key Features

phases 3
Accuracy class 0.02
Output power U 3x 500 VA
Voltage generation max. 320V (AC) 320V (DC)
Output power I 3x 2800 VA
Power generation max. 120 A (AC)
Test value generation for max. 20 measuring stations
Fully electronic voltage and current generation, independent from mains.
Built-in reference standard meter connected directly to the test circuit.
PC-controlled system with real-time display of:
o Test voltage & current
o Meter errors
Individual error display at each test position.

Tests Capability

Pre-warming.
Accuracy testing of energy meters.
Starting Current Test.
Creep Test.
Influence quantity test as per IEC 62053-11,21, 22,23,24, EN 50470-1:2006, EN 50470-3:2006 (which are mainly linked with accuracy test).
Dial test/Register test.
Influence of self-heating.
Influence of heating test ” Additional calibrated thermometer is required from local market (provided by the customer) to perform this test”.
Harmonics generations (Harmonics up to 2nd to 21th for voltage amplifier and up to 2nd to 40th for current amplifier)
Sub-Harmonics and even/ odd Harmonics generation.
Influence of supply voltage: “Voltage interruption /voltage dips / severe voltage variation” test.
Absolute measurement or Testing of reference meter
Immunity of earth fault.
No load condition test.
Meter constant test.
Absolute measurement or testing reference meter up to class 0.05.

Components

EPZ303, reference meter
FG301, frequency generator
VI202, current amplifier
VU221, voltage amplifier
switch cabinet
Fan unit with control
main switch

Power Supply

Direct connection to unstabilized mains:
- 3 × 230/400 V +10–15%, 50 Hz ±2%
Adaptable to other voltages or 60 Hz systems upon request

Applications (Use Cases)

Use in stationary ZERA meter testing equipment

Official Product Data Provided by our Partner:

ZERA Meter Testing Systems

ZERA develops, manufactures, and distributes devices and systems for the generation, measurement, testing, and calibration of electrical quantities. Our focus is on meter and instrument transformer testing technology, as well as precision laboratory technology.

Learn more about ZERA

Product Images

automatic meter test system (3 phase) mts 140 20

automatic meter test system 3phase) mts 140 20 1

mts 320 energy meter test system (three phase)

mts 320 energy meter test system (three phase) stationary meter testing technology ac

mts 320 meter test system (three phase) meter testing technology

mts 320 meter test system (three phase) stationary meter testing technology

mts 320 meter test system (three phase) stationary meter testing technology ac

stationary meter testing technology ac mts320

stationary meter testing technology mts320

Description

ZERA started developing fully electronic automatic electricity meter calibration systems 30 years ago. The offered system combines extensive experience in meter test equipment manufacturing with modern, state-of-the-art technology. It operates using the advanced WINSAM software, which ensures flexibility, modular design, and compatibility with future requirements.

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All Products

Infinity Egypt Precision Framework

Supply

We provide high-precision smart meters, and advanced testing equipment for utilities and factories.

Integration

Bridging the gap between hardware and software by designing panels, integrating data into Energy Management Systems (EMS) or SCADA, and ensuring devices communicate via standard protocols (DLMS, Modbus, etc.).

Testing

To ensure accuracy and safety, Our engineers perform production line testing, power quality analysis (to detect “dirty power”), and rigorous lab and field tests against international standards.

Verification

We focus on compliance and revenue protection by verifying installations before commissioning, auditing for tampering, and validating data accuracy for billing.

Support

We offer long-term technical partnership through hands-on training for engineers, accredited calibration services, and local troubleshooting to minimize downtime.

Precision for Every Point of Power

Get a Solution Tailored to Your industry.

Driving Innovation with Our Success Partners

south cairo electricity distribution company (scedc)

north cairo electricity distribution company (ncedc)

north delta electricity distribution company (ndedc)

upper egypt electricity distribution company (ueedc)

madinaty electromechanical power company

THE INFINITY ADVANTAGE

Why Industry Leaders Choose Us

Proven Industry Heritage

We don’t just supply equipment; we understand the history and future of Egypt’s energy sector. With over two decades of operation, we navigate complex regulatory and technical landscapes to ensure your project’s success.

Unmatched Engineering Talent

Our engineers are the reason industry leaders choose Infinity Egypt. We go beyond installation to become your trusted advisors, helping you map out complex requirements, execute flawless implementations, and empower your workforce through specialized training programs.

ROI & Efficiency

Our solutions are an investment in accuracy. By deploying 0.02% precision testing and utility-grade smart meters, we help you drastically reduce technical and commercial losses, ensuring a faster return on investment.

Future-Ready Technology

Stay ahead of the curve. We equip you with next-generation capabilities, including E-Mobility infrastructure testing, smart grid communication protocols, and advanced power quality analysis.

Dedicated Maintenance & Repair

Forget the delays of relying solely on foreign support. Infinity Egypt provides immediate, on-ground troubleshooting, maintenance, and calibration services to keep your mission-critical operations running.

Global Standards Compliance

Navigate regulations with confidence using world-class technology from ZERA and EDMI. We ensure every system meets strict international standards (IEC, DLMS/COSEM, ISO), guaranteeing your operations remain safe, certified, and fully auditable.