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Elster A1140 Single/Three Phase Smart Meter

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  • Suitable for monitoring both three- and single-phase systems
  • Appropriate for CT and whole current in commercial and light-industrial environments
  • Highly secure and resistant to tampering, power surges, and power cuts

rrp £195.00

now £130.00 (Ex. VAT) £156.00 (Inc. VAT)

rrp £195.00


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"A secure and versatile smart meter, suitable for light industrial and commercial settings"

  • Description

    Elster A1140 Single/Three Phase Smart Meter

    The Elster A1140 Single/Three Phase Smart Meter is a secure, adaptable smart meter which can be used in commercial or light industrial contexts. It measures both kWh and kvarh electricity and can monitor single-phase and three-phase networks whilst load profiling helps data collection and analysis. 90 days’ worth of data profiling can be collected in fewer than 30 seconds and the device boasts a range of communications technology - including an RJ11 socket - to aid remote access and management.

    The Elster A1140 is also MID-approved and highly accurate so the user can have complete confidence in all the readings whilst benefitting from the clear, 8-digit, LCD display for local access and data recording. The internal clock with battery back-up ensures that recordings are accurately timed and the comprehensive security measures make sure that information is correct.

    With a 10-year product life, the A1140 provides excellent, reliable electricity usage monitoring for a wide range of environments, and has several different features to allow for power cuts, tampering, and electricity pulses.

    Key Features

    • Suitable for single-phase or three-phase systems
    • Whole current or CT operated
    • MI|D-approved to Class 2 or 3
    • kWj, import/export, kvarh, kVA
    • Exhaustive, multi-tariff structure
    • RJ11 communications socket
    • 10-year product life
    • High-security software and hardware
    • Withstands pulses up to 12kV
    • Internal clock with battery
    • Power Master Unit software for Windows
    • 100A max
    • 240V max
  • Specification

    Tariff Structure

    • 8 Time-of-use (TOU) registers
    • 4 Maximum demand registers
    • 48 Switching times
    • 6 Seasons
    • 12 Change of season dates
    • 32 Exclusion dates
    • 13 End of billing dates
    • Independent day control
    • Daylight saving
    • Deferred tariff

    Data Storage (A1140)

    • Up to 300 days of half hour data for one channel
    • Programmable integration period
    • Four channels of load profile storage for any measured quantity
    • Instrumentation values

    The meter offers high security with many useful security
    features. The meter stores all registration and configuration
    data to non-volatile memory. All data is retained for the life
    of the meter. Recordable security features are illustrated

    Meter Variants

    • Import Wh
    • Import Wh, Q1 and Q4 (varh)
    • Import Wh, Q1, Q2, Q3, Q4 (varh), Import VAh
    • Import/Export Wh
    • Import/Export Wh, Q1, Q2, Q3, Q4 (varh)
    • Import/Export Wh, Import/Export VAh
    • Import/Export Wh, Q1, Q2, Q3, Q4 (varh), Import/Export VAh


    • Local: IEC 62056-21
    • Remote: Optional Serial Data Port
    • Fast data collection of cumulative registers, historical data and load profiling (A1140) using data stream mode

    System Connections
    3 Element: 3 phase, 4 wire* / 2 phases of a 3 phase, 4 wire / 2 phase, 3 wire / 1 phase, 3 wire / 1 phase, 2 wire
    2 Element: 3 phase, 3 wire*
    * Variant for Class 0.5s, CT operated meter

    Technical Data

    • Current Range: Direct connected 20-100A, 10-100A, 5-100A / CT operated 5-10A*, 1-10A, 1-2A
    • Voltage Range: 220-240V* (L-N) or 220-240V (L-L) / 105-127V (L-N) or 105-127V (L-L) 
    • Frequency: 50 or 60Hz


    • Voltage Circuits (230V): 0.8W, 1.3VA burden/phase [max]
    • Current Circuits (DC): 4VA @ 100A/phase [max]
    • Current Circuits (CT): 0.22VA per phase
    • Insulation: 4kV RMS 50Hz
    • Impulse Withstand: 12kV 1.2/50μs 40 ohm source
    • Display: LCD 9.8 x 3.5mm characters / High contrast, wide angle
    • Baud Rates: 2400, 4800 or 9600
    • Certified Product Life: 10 years
    • Temperature: -25° to + 65° C (Operational range) / -25° to + 85° C (Storage)
    • Humidity: Annual mean 75% (95% for 30 days spread over one year)
    • Pulse Width: 10 to 250ms
    • Wh/pulse: 1, 2, 4, 5, 10, 20, 25, 40, 50, 100
    • Weight: 940 grams
    • Specifications: kWh Class 0.5s, 1 or 2 EN 62053-21/22; kWh Class A, B or C, EN 50470 (MID); kvarh Class 2 or 3 EN 62053-23
    • Case: IP53 to IEC 60529
  • Supplied Accessories

    • Elster A1140 Single/Three Phase Smart Meter
    • Elster A1140 Single/Three Phase Smart Meter instructions
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  • Delivery Information

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    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

    Customers outside the UK:

    Test-Meter.co.uk exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail admin@test-meter.co.uk with your name, address and the items you would like to order for an accurate shipping quote or go to http://www.test-meter.co.uk/test-equipment-export for more information.

    For more information on delivery, please see our terms and conditions.