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MT118 1P Smart Meter


MT118 single phase smart meter offers outstanding measurement and complex tariff capabilities for use in residential smart metering applications. The MT118 meter can operate as a standalone unit or as part of a comprehensive metering and MDM system.


  • WAN: LTE/3G/GPRS/G3-PLC replaceable module
  • HAN: W-MBUS or MBUS communication to IHD
  • DLMS/COSEM protocol
  • Up to 8 comprehensive tariff structure
  • Configurable flexible load profile
  • Option prepayment function complies with STS protocol
  • Internal clock and calendar with battery back-up
  • High security design
  • Anti-tamper and tampering detection
  • Air-upgrade

Remote Comm.


Data Security


Firmware Upgrade

Load Control

Load Profile



Item Sub-item Value
Measurement Active accuracy(kWh) Class1 (IEC 62053-21) or Class B(EN50470)
Measurement Reactive accuracy(kvarh) Class2 (IEC 62053-23)
Measurement Measuring and registration - Import with reverse blocking.; - Import/Export.; - Absolute sum of both directions.
Voltage Rated voltage(Un) 220V, 230V, 240V
Voltage Working voltage range 0.5Un - 1.2Un
Current Basic current(Ib) 5(60)A, 5(80)A, 5(100)A
Current Max.current(Imax) 5(60)A, 5(80)A, 5(100)A
Current Starting current 0.004 Ib
Frequency Rated frequency(fn) 50Hz or 60Hz
Power Consumption Voltage circuit 2W/10 VA
Power Consumption Current circuit 0.5 VA
Environmental Influences Operating temperature range -40°C ~+70°C
Environmental Influences Storage temperature -40°C ~+80°C
Environmental Influences Impermeability to IEC 60529 IP54 indoor
Inputs and Outputs Optical test output - Active energy pulse LED.; - Alarm LED.; - Reactive energy pulse LED.
Inputs and Outputs Meter constant Out: 1000imp/kWh, 1000imp/kvarh
Display Type LCD liquid crystal display
Display Backlit With backlit
TOU Time of use - Up to 8 tariff; - Up to 8 time span, 8 typical days, 12 typical weeks, 12 seasons.; - Up to 200 programmable national holiday and special holidays.
Time Clock & Calendar Accuracy 15 Seconds per Month at 23?C
Time Clock & Calendar Backup Time 10 Years without Power (Lithium Battery)
Time Clock & Calendar Daylight Saving Time Option
Time Clock & Calendar Battery - 1 Internal battery for RTC.; - 1 replaceable external battery for power outage display.
Communication Interface Optical Interface - Optical port IEC 62056-21.; - Protocol: IEC62056-21 E mode.
Communication Interface Serial Interface - RS485/W-Mbus/MBUS (option).; - Protocol: DLMS HDLC.
Communication Interface Remote Interface - 3G/GPRS/G3 PLC.; - Protocol: DLMS TCP/IP.
Prepayment (option) STS Token Indicate token success, refuse, used, expired
Prepayment (option) Emergency Credit Short code active emergency credit
Prepayment (option) Friendly time and days Night Time, Weekends and Holidays
Prepayment (option) Balance Alarm Two levels balance not enough alarm
Prepayment (option) Load limit Input power limit value threshold through TOKEN
Load Profile Channels Up to 12
Load Profile Integration period 1,5,10,15,30,60 minutes
Load Profile Storage 100 Days (12 Channels, 30-Minute Intervals)
Load Profile Capture object - Demand(kW, kvar).; - Energy(kWh, kvarh).; - Instantaneous value(V, A, W, PF).; - Credit balance(kWh).
Billing & Max Demand Storage - 12 sets of energy billing data.; - 12 sets of Max Demand data.
Billing & Max Demand MD mode Block mode
Billing & Max Demand MD value - Time and value of maximum demand.; - Value of cumulative Max Demand.
Antifraud protection Tamper detiction and alarms - Meter cover/terminal cover open.; - Magnetic field influence detection.; - Missing neutral.; - By pass.; - Energy reverse.; - Battery/clock/memory failure detection.; - Pre-programmed alarms for meter self-check.
Antifraud protection Anti-Tamper Anti 0.5T Magnetic influence
Air-upgrade Air-upgrade Local/remote firmware upgrade
Terminal cover Standard Up to 50 mm free space
Weight and dimensions Dimensions 217.1mm(H) x 130.2mm(W) x 73.7mm(D)
Weight and dimensions Weight approx. 0.8 kg