MT118-BS2K 1P Keypad Prepaid Smart Meter
Introduction
MT118-BS2K single phase keypad prepaid smart meter offers outstanding measurement, STS prepayment function and complex tariff capabilities for use in residential prepaid smart metering applications. The MT118-BS2K meter can operate as a standalone unit or as part of a comprehensive metering, STS prepayment and MDM system.
Features
- WAN: LTE/3G/GPRS/G3-PLC replaceable module
- UIU-Port: Option PLC or RF communication to UIU
- 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)/ 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/Reactive energy pulse LED; Alarm LED; Credit 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 tariffs; 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 | UIU Interface | PLC or RF built-in |
| Communication Interface | Remote Interface | LTE/3G/GPRS/G3 PLC; Protocol: DLMS TCP/IP |
| Prepayment | STS Token | Indicate token success, refuse, used, expired |
| Prepayment | Emergency Credit | Short code active emergency credit |
| Prepayment | Friendly time and days | Night Time, Weekends and Holidays |
| Prepayment | Balance Alarm | Two levels balance not enough alarm |
| Prepayment | 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 |