DC21 – Single Channel DC Energy Meter
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Sifam Tinsley

DC21 – Single Channel DC Energy Meter

DC21 - Single Channel DC Energy Meter from Sifam Tinsley is an advanced single-channel DC energy meter designed for accurate bidirectional energy measurement in applications such as EV charging, telecom base stations, solar PV, and industrial DC systems. It supports current measurement up to 2000A via external shunt, ensuring Class 1 accuracy as per IEC 62053-41:2021. The meter offers RS485 MODBUS RTU communication, pulse output, and a bright backlit LCD, all housed in a compact 2-module DIN rail enclosure.

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  • Bidirectional Energy Measurement – Accurately measures both import and export DC energy.
  • Wide Current Range – Supports 5–2000A measurement through external shunt (50–150mV).
  • High Voltage Compatibility – Measures up to 1000V DC with 4kV isolation.
  • High Accuracy – Class 1 (Energy) and Class B (EN 50470-4:2023) compliance.
  • Comprehensive Monitoring – Tracks voltage, current, power, ampere-hours, demand, and run hours.
  • MODBUS RTU Communication – RS485 interface for easy integration with energy management systems.
  • Configurable Pulse Output – Opto-isolated pulse output (1–1000 pulses/kWh) for energy pulse metering.
  • User-Friendly Display – Bright backlit LCD with auto/manual scrolling and simple two-button navigation.
  • Flexible Power Supply – Operates on 20–60V or 60–300V AC/DC with low power consumption (<2W).
DC21-1CSH-RH Datasheet
DC21 With Shunt Datasheet
DC21 Product Presentation
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Sifam Tinsley products are backed by expert technical support, responsive diagnostics and dependable aftersales guidance. From specification advice through to fault-finding and ongoing performance support, our team helps you keep critical equipment operating accurately and reliably.

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Technical assistance, diagnostics insight and practical product support for demanding industrial applications.