
EVCM-ONE
Electric Vehicle Charge Monitor
The EVCM-ONE is a standalone monitoring station that integrates seamlessly with EV charging systems to measure electrical recharge energy according to WLTP range testing requirements. Designed for accuracy and regulatory compliance, it logs voltage, current, and energy consumption with advanced reporting and connectivity for vehicle testing environments.
Why Choose EVCM-ONE
Regulatory Compliance – WLTP and IEC class 1 certified for precise energy measurement.
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High Accuracy – Measures total recharge energy (eAC) with ±0.5% error margin.
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Versatile Integration – Compatible with all EV chargers up to 63 A and supports lockable charging events.
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Advanced Connectivity – Generates CSV/PDF reports and interfaces with STARS VETS and test automation via TCP/IP AK.

Key Advantages of EVCM-ONE
Compliant Energy Recording
Ensures legally recognized RE energy data for EV range validation.
Accurate Measurement
Delivers highly reliable, traceable energy data for every charging event.
All-Charger Compatibility
Works with a wide range of charging hardware, making it test-ready in varied labs.
Smart Reporting & Control
Captures rich test data while seamlessly integrating with remote monitoring systems.
Technical Specifications of EVCM-ONE
Requirement | Specification |
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EV Meter Power Connector | 3-Phase 63Amp Connector |
Normal Input Voltage for EV Meter | 100 …. 400VAC |
Input Voltage Range for EV Meter | ±20 % |
Input Current for EV Meter | ≤ 63 A |
Frequency Range for EV Meter | 45 … 65 Hz |
System Power Connector | IEC Plug 1-phase 13Amp Connector |
Normal Input Voltage for System Power | 100 …. 240VAC |
Input Voltage Range for System Power | ±20 % |
Frequency Range for EV Meter | 45 … 65 Hz |
Input Current for EV Meter | ≤ 13 A |
EV Meter Power Capturing | WAGO 2857-570/024-001 |
EV Meter Accuracy | 0.5% error (EN 61869-2) |
Touch Screen with Built in PC | • 15.5” touchscreen • Intel Atom E3845 1.9GHz processor • 256GB SSD · 8GB RAM • Windows 10 IoT |
Connections / Connectors | • LAN connector for TCP/IP AK • USB connector to download data • Gland (hardwired), supply the power for the meter • Gland (hardwired), supply power to EV charger • IEC plug, supply power to system control |
Product Safety | • Mains Isolator • E-STOP • Power ON LED |
Product Weight | 50KG Approx. |
Product Size | 800x600x300 |
UPS | UPS backup to save data in event of power loss |
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