Elster A1140 Smart Meter – CT Variant

///Elster A1140 Smart Meter – CT Variant

Elster A1140 Smart Meter – CT Variant


Out of stock

Features Include:

  • Current transformers required (not included)
  • Ideal solution for monitoring import/export or energy generation
  • ASLH308 GPRS modem with SIM card for Openmetrics (optional extra)
  • Long terminal cover
  • MID approved


The Elster A1140-CT is a modern ‘smart-ready’ three phase meter.  The CT variant uses current transformers to measure energy indirectly.  GPRS communications modem can be supplied with the meter for remote monitoring on the Openmetrics web portal.  

Download a brochure    |   Looking for the direct connect version?

Download the A1140 Complete Datasheet

Technical Specification

  • 5A Secondary CT operated meter
  • Fully MID approved
  • Class 1 or 2 accuracy
  • Large digit LCD display
  • Internal real time clock
  • High-security protocol
  • Compact design and concealed GPRS modem under terminal cover
  • DIN (BS) double insulated polycarbonate case
  • IP53 in accordance with IEC 60529 : 1989

Openmetrics Monitoring

The Openmetrics web portal provides a simple and convenient solution for managing meter readings collected automatically from Elster A1140 smart meters.  For solar PV systems Openmetrics will indicate system performance by comparing actual meter readings to predicted yields to help identify under performing power plants. Other features include tracking feed-in-tariff earnings, export to CSV, automatic email notifications, sub-user accounts, publicly viewable meters, geographic overlay and other tools making it easy to manage large asset portfolios.

Overview of meter reading service

  • Day+1 meter reading service
  • Half-hour profiling
  • Import & export kWh readings
  • MCS accredited FIT readings

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