MT118 1P Smart Meter
Introduction
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.
Features
- 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.
Billing
Data Security
DLMS
Firmware Upgrade
Load Control
Load Profile
STS
Specifications
| 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 |