MTS 320 Meter Test System (3-phase)

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.

automatic meter test system (3 phase) mts 140 20
automatic meter test system 3phase) mts 140 20 1
olympus digital camera
olympus digital camera
olympus digital camera
mts 320 energy meter test system (three phase)
mts 320 energy meter test system (three phase) stationary meter testing technology ac
mts 320 energy meter test system three phase
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
mts 320 meter test system
mts 320 meter test system 3 phase
mts 320 meter test system three phase
stationary meter testing technology ac mts320
stationary meter testing technology mts320
zera meter test system solution 20

Key Features

  • 3 phases
  • 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.

Components

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

Applications (Use Cases)

  • Use in stationary ZERA meter testing equipment

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.

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

ZERA STATIONARY METER TEST SYSTEM

Smart meters are advanced digital devices that do far more than measure energy consumption. They accurately record electrical parameters, securely communicate with utility systems, support remote operations, and provide real-time visibility across the distribution network.

By combining metrology, communication, cybersecurity, and control capabilities, smart meters enable utilities to deliver efficient, reliable, and data-driven energy services.

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MARKET-LEADING ACCURACY
Available in highly precise accuracy classes of 0.005%, 0.008%, and 0.02%.

SUSTAINED STABILITY & ACCURACY

Features multi-wound core Isolated Current Transformers (ICTs) engineered for long-term reliability and accuracy.

TAMPER SIMULATION

Fully capable of simulating a wide variety of electrical tamper conditions.

COMPREHENSIVE SMART METER VALIDATION

Provides End-to-End testing, interoperability, and interchangeability validation for smart metering systems.
COMMUNICATION ADAPTABILITY
Ready-made to adapt to multiple communication technologies, including wireless systems (GSM,GPRS,RF, Bluetooth etc.)
FUNCTIONAL FIELD SIMULATION
Enables simultaneous testing of connected smart meters under simulated field boundary conditions, verifying functionality like sustained accuracy during active communication.
UNIVERSAL QUICK ACTING CONNECTION DESIGN
provide flexibility to quickly connect all type and size of emery meter on test system
ERROR ELIMINATION
Allows direct testing of CT/PT meters without requiring ICTs, successfully eliminating additional error due to ICTs.

EXTENDED FACILITY FOR SMART TESTING

zera meter test system solution 20

MULTIPLE POSITION

VTT – Validation Test Tool - Boundary Condition simulation - E2E Communication Test - Interoperability Test - Variation of Accuracy During communication - Negative Tests.
tamper simulator (1phase)

TAMPER SIMULATOR

Tamper defined by CBIP - Legitimate time event reporting - Actual Load conditions - Checking Communication - End to Verification.
hindrance + dcu

RF HINDRANCE

Legitimate time event reporting - Load Switch behavior - FOTA and Retry - Cross Verification Display+ HES .
zera magnetic immunity testing

Magnetic Immunity Testing

DC Solenoid Test - Simulates continuous DC magnetic fields - Verifies meter resistance against magnetic tampering - Evaluates measurement accuracy under magnetic influence - Confirms compliance with IEC magnetic immunity requirements.
burden measurement

COMMUNICATION BURDEN

BURDEN MEASUREMENT: Idle Mode - Active Transmission - IHD Module - Power Consumption Analysis - Measures communication module power consumption - Evaluates burden during Idle and Active modes - Verifies IHD communication load - Optimizes meter energy efficiency.
zera external field coil

EXTERNAL FIELD COIL

MAGNETIC FIELD TEST: 0.5 mT Magnetic Field - 50 Hz AC Field - Uniform Field Generation - Repeatable Test Conditions - Generates a controlled 0.5 mT magnetic field - Verifies immunity against external AC magnetic fields.

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.

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Precision for Every Point of Power

Get a Solution Tailored to Your industry.

Contact us now

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)
taqa egypt (2)global energy logo
abb logo
el sewedy industriesscu logosiemens energy logocropped tepco logo hori 5003151ad11 9a3c98113.t big bb87e665
elsewedy engineering industries sei
egemac
devash control systems
memico group
2m electric group logo
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.